"Pseudo-MPEC" for 2010-050A = SM999CF = Chang'e 2 probe

Created Sun Sep 09 20:48:22 2012 using Find_Orb

(I've updated this to include new observations. These reduce the uncertainties and allow for an orbit that includes solar radiation pressure, but don't really affect the comments given below.)

You can get customized ephemerides for this object from the Minor Planet Center's Distant Artificial Satellites Observation page; or you can copy and paste the astrometry into Find_Orb and do it yourself. The following ephemerides are geocentric, and the object is close enough to have some significant parallax.

I wrote up a more extended version of the following comments here, on the Planetary Society blog.

According to this post and this page, Chang'e 2 left the earth-sun L2 point in mid-April 2012 and is headed for an encounter with (4179) Toutatis on 2013 January 6. The following astrometry matches that idea pretty well, except that it indicated a flyby of Toutatis on 2012 December 13.

My current guess is that the mid-December date is correct. You can fit an orbit to the current (as of 18 August) observations and get a positional match, at 08:27 UT on 13 December, within better than an arcminute, with a close match in distance as well. Toutatis comes to its closest approach to earth (0.046 AU) on the preceding day. By 2013 January 6, it will be 0.189 AU away, about four times as far. To trust the January date, one would have to believe that the Chinese set Chang'e 2 on course to encounter Toutatis at its closest, but plan sometime between now and January to do a maneuver to push that encounter further away from the earth. None of which makes sense to me.

Further astrometry should allow refinement of the trajectory so that I can be more confident about the encounter time.

Click here for previous data on this probe. (It was originally sent to orbit the moon, then maneuvered in 2011 June to go to the Earth-Sun L2 point. Astrometry was gathered while on the way to, and while at, L2.)

Also, there is a page for the booster for Chang'e 2. The booster has been tracked, and is chaotically orbiting the earth-moon system. It will probably be ejected in a few years or decades. (Unless we're very lucky and it hits the earth or moon, but that's not very likely.)

Astrometry:
2010-050A     C2012 08 08.39208 21 46 10.571+07 01 04.89         19.8 r D0446F51
2010-050A     C2012 08 08.40238 21 46 08.562+07 01 05.77         19.8 r D0446F51
2010-050A     C2012 08 08.41434 21 46 06.154+07 01 06.33         19.3 i D0446F51
2010-050A     C2012 08 08.42590 21 46 03.750+07 01 06.44         19.4 i D0446F51
2010-050A    KC2012 08 09.10042 21 46 22.04 +06 55 00.2          18.6 V D0446I93
2010-050A    KC2012 08 09.10766 21 46 21.11 +06 54 57.9          19.1 V D0446I93
2010-050A    KC2012 08 09.32361 21 46 43.75 +06 55 25.5          18.8 R D0446H36
2010-050A    KC2012 08 09.32767 21 46 43.06 +06 55 24.4          18.7 R D0446H36
2010-050A    KC2012 08 09.33853 21 46 41.25 +06 55 21.1          18.9 R D0446H36
2010-050A     C2012 08 09.37924 21 46 41.02 +06 56 03.5          19.4 R D0446H01
2010-050A     C2012 08 09.38486 21 46 40.06 +06 56 01.5          19.4 R D0446H01
2010-050A     C2012 08 09.39363 21 46 38.62 +06 55 58.4          19.2 R D0446H01
2010-050A     C2012 08 09.40116 21 46 37.42 +06 55 55.3          19.3 R D0446H01
2010-050A    KC2012 08 09.88603 21 47 47.44 +06 52 26.5          19.1 R D0446104
2010-050A    KC2012 08 09.89426 21 47 46.52 +06 52 26.8                 D0446104
2010-050A    KC2012 08 09.89569 21 47 46.32 +06 52 26.4                 D0446104
2010-050A    KC2012 08 09.89827 21 47 48.39 +06 51 11.1          18.9 R D0446J95
2010-050A    KC2012 08 09.90178 21 47 48.11 +06 51 11.3          18.8 R D0446J95
2010-050A    KC2012 08 09.90604 21 47 47.83 +06 51 11.1          19.7 R D0446J95
2010-050A    KC2012 08 10.17857 21 48 17.04 +06 53 08.4          17.2 R D0447291
2010-050A    KC2012 08 10.18111 21 48 16.80 +06 53 09.1          17.2 R D0447291
2010-050A    KC2012 08 10.18365 21 48 16.58 +06 53 09.5          18.0 R D0447291
2010-050A    KC2012 08 18.01241 21 54 17.05 +05 45 11.7                 D0448J95
2010-050A    KC2012 08 18.01877 21 54 16.21 +05 45 06.7          19.2 R D0448J95
2010-050A    KC2012 08 18.02512 21 54 15.30 +05 45 02.1          18.0 R D0448J95
2010-050A    KC2012 08 18.95412 21 55 08.56 +05 33 04.8          18.8 R D0449J95
2010-050A    KC2012 08 18.95893 21 55 07.94 +05 33 01.4          18.6 R D0449J95
2010-050A    KC2012 08 18.96372 21 55 07.30 +05 32 58.0          18.8 R D0449J95
2010-050A    KC2012 08 18.96849 21 55 06.67 +05 32 54.6          18.8 R D0449J95
2010-050A     C2012 08 25.17615 22 00 18.90 +04 00 06.0          18.7 V D0449703
2010-050A     C2012 08 25.18134 22 00 18.25 +04 00 01.1          18.6 V D0449703
2010-050A     C2012 08 25.18652 22 00 17.60 +03 59 56.7          18.6 V D0449703
2010-050A     C2012 08 25.19172 22 00 16.77 +03 59 52.8          18.1 V D0449703
2010-050A     C2012 09 06.41361722 12 19.584+00 08 24.49         19.3 g D0452F51
2010-050A     C2012 09 06.41509822 12 19.329+00 08 22.97         19.4 g D0452F51
2010-050A     C2012 09 06.41955422 12 18.498+00 08 17.17         19.9 g D0452F51
2010-050A     C2012 09 06.42105622 12 18.217+00 08 15.25         19.8 g D0452F51
2010-050A     C2012 09 06.42606422 12 17.299+00 08 09.05         18.9 r D0452F51
2010-050A     C2012 09 06.42754622 12 17.028+00 08 07.10         18.9 r D0452F51
2010-050A     C2012 09 06.42903522 12 16.750+00 08 05.20         19.1 r D0452F51
2010-050A     C2012 09 06.43052322 12 16.465+00 08 03.38         19.0 r D0452F51
2010-050A     C2012 09 06.43200822 12 16.209+00 08 01.50         19.0 r D0452F51
2010-050A     C2012 09 06.43349522 12 15.922+00 07 59.64         18.9 r D0452F51
2010-050A     C2012 09 06.43497522 12 15.675+00 07 57.80         18.6 r D0452F51

Station data:
(104) San Marcello Pistoiese (N44.0631 E10.8042).  0.40-m f/5 reflector.
(291) LPL/Spacewatch II (N31.9617 W111.5991).  1.8-m f/2.7 reflector.
(703) Catalina Sky Survey (N32.41712 W110.73264).   Observers S. Larson, E.
    Beshore, E. Christensen, R. Hill, S. Howard, D. McLean.  Measurer E.
    Christensen.  0.68 m Schmidt + CCD.
(F51) Pan-STARRS 1, Haleakala (N20.70720 W156.25591).   Observers N. Primak,
    A. Schultz, S. Watters, J. Thiel, T. Goggia.  Measurer PS1 Science
    Consortium.  1.8-m Ritchey-Chretien + CCD.
(H01) Magdalena Ridge Observatory, Socorro (N33.9853 W107.1892).   Observers
    W. H. Ryan, E. V. Ryan.  Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
(H36) Sandlot Observatory, Scranton (N38.7977 W95.7064).   Observer G. Hug.
    0.56-m reflector + CCD.
(I93) St Pardon de Conques (N44.55876 W0.20300).
(J95) Great Shefford (N51.47502 W1.44700).   Observer P. Birtwhistle.  0.30-m
    f/6.3 Schmidt-Cassegrain + CCD.

Orbital elements:
2010-050A = SM999CF = Chang'e 2 probe
   Perihelion 2012 Oct 2.795839 TT = 19:06:00 (JD 2456203.295839)
Epoch 2012 Aug  9.0 TT; AMR 0.027127 m2/kg             Find_Orb
M 308.26322              (2000.0)            P               Q
n   0.94417344     Peri.  157.06254      0.98741317     -0.15814671
a   1.02904617     Node   212.03704      0.14446040      0.90744837
e   0.0061414      Incl.    0.23758      0.06439265      0.38926477
P   1.04/381.28d   H   27.6     U  5.2     q 1.02272629  Q 1.03536605
From 44 observations 2012 Aug. 8-Sept. 6; mean residual 0".312.

Residuals in arcseconds:
120808 F51  .05+  .22-    120809 104  1.1-  .08-    120825 703  .15-  .30-
120808 F51  .01-  .17-    120809 J95  .31+  .27-    120825 703  .21+  .27-
120808 F51  .05+  .16-    120809 J95  .22-  .15-    120825 703  1.7-  .32+
120808 F51  .00   .15-    120809 J95  .24+  .41-    120906 F51  .20-  .12-
120809 I93  .37+  .18-    120810 291  .32+  .15-    120906 F51  .11+  .22+
120809 I93  .01+  .06+    120810 291  .00   .20+    120906 F51  .08+  .01+
120809 H36  .37+  .34+    120810 291  .10+  .27+    120906 F51  .04+  .02-
120809 H36  .13+  .35+    120818 J95  .20+  .14-    120906 F51  .13+  .07+
120809 H36  .43-  .25+    120818 J95  .85+  .35-    120906 F51  .15+  .02-
120809 H01  .15+  .03+    120818 J95  .40+  .10-    120906 F51  .07+  .05-
120809 H01  .01+  .00     120818 J95  .21+  .07+    120906 F51  .12-  .00
120809 H01  .08+  .15+    120818 J95  .25+  .07+    120906 F51  .10+  .02-
120809 H01  .06+  .01+    120818 J95  .07+  .11+    120906 F51  .15-  .01-
120809 104  .55-  .15+    120818 J95  .10+  .16+    120906 F51  .17+  .01+
120809 104  .60-  .33+    120825 703  .12-  .19+

Ephemerides (500):
Date (UT)    RA              Dec         delta   r     elong  mag
---- -- --  ------------   ------------  ------ ------ -----  ---
2012 06 01  16 51 13.093   -32 36 18.81  .00825 1.0221 169.0 17.9
2012 06 02  17 02 10.633   -31 58 37.12  .00827 1.0223 169.1 17.9
2012 06 03  17 12 56.856   -31 17 16.04  .00829 1.0225 169.1 17.9
2012 06 04  17 23 29.830   -30 32 31.99  .00832 1.0226 168.8 18.0
2012 06 05  17 33 47.812   -29 44 42.60  .00834 1.0228 168.4 18.0
2012 06 06  17 43 49.303   -28 54 06.41  .00838 1.0229 167.8 18.0
2012 06 07  17 53 33.079   -28 01 02.63  .00841 1.0231 167.1 18.0
2012 06 08  18 02 58.214   -27 05 50.78  .00845 1.0232 166.3 18.1
2012 06 09  18 12 04.078   -26 08 50.45  .00850 1.0233 165.4 18.1
2012 06 10  18 20 50.314   -25 10 20.99  .00854 1.0235 164.5 18.2
2012 06 11  18 29 16.815   -24 10 41.22  .00859 1.0236 163.6 18.2
2012 06 12  18 37 23.685   -23 10 09.22  .00865 1.0237 162.7 18.3
2012 06 13  18 45 11.200   -22 09 02.15  .00870 1.0239 161.7 18.3
2012 06 14  18 52 39.780   -21 07 36.09  .00876 1.0240 160.8 18.3
2012 06 15  18 59 49.957   -20 06 05.92  .00883 1.0241 159.9 18.4
2012 06 16  19 06 42.354   -19 04 45.30  .00889 1.0242 159.0 18.4
2012 06 17  19 13 17.668   -18 03 46.57  .00896 1.0243 158.2 18.5
2012 06 18  19 19 36.655   -17 03 20.80  .00903 1.0244 157.4 18.5
2012 06 19  19 25 40.118   -16 03 37.75  .00911 1.0245 156.6 18.6
2012 06 20  19 31 28.898   -15 04 45.86  .00919 1.0246 155.8 18.6
2012 06 21  19 37 03.862   -14 06 52.37  .00927 1.0247 155.1 18.6
2012 06 22  19 42 25.892   -13 10 03.25  .00935 1.0248 154.4 18.7
2012 06 23  19 47 35.872   -12 14 23.34  .00944 1.0249 153.8 18.7
2012 06 24  19 52 34.673   -11 19 56.35  .00952 1.0250 153.2 18.8
2012 06 25  19 57 23.140   -10 26 45.00  .00961 1.0250 152.6 18.8
2012 06 26  20 02 02.073   -09 34 51.04  .00970 1.0251 152.0 18.8
2012 06 27  20 06 32.213   -08 44 15.43  .00979 1.0252 151.5 18.9
2012 06 28  20 10 54.218   -07 54 58.44  .00989 1.0253 151.0 18.9
2012 06 29  20 15 08.645   -07 06 59.83  .00998 1.0253 150.6 18.9
2012 06 30  20 19 15.932   -06 20 19.03  .01007 1.0254 150.1 19.0
2012 07 01  20 23 16.378   -05 34 55.36  .01016 1.0254 149.7 19.0
2012 07 02  20 27 10.134   -04 50 48.35  .01026 1.0255 149.4 19.0
2012 07 03  20 30 57.226   -04 07 57.76  .01034 1.0256 149.0 19.1
2012 07 04  20 34 37.572   -03 26 23.78  .01043 1.0256 148.7 19.1
2012 07 05  20 38 11.027   -02 46 07.03  .01052 1.0256 148.4 19.1
2012 07 06  20 41 37.424   -02 07 08.45  .01060 1.0257 148.2 19.1
2012 07 07  20 44 56.613   -01 29 29.21  .01068 1.0257 148.0 19.2
2012 07 08  20 48 08.487   -00 53 10.55  .01075 1.0258 147.8 19.2
2012 07 09  20 51 12.988   -00 18 13.69  .01083 1.0258 147.6 19.2
2012 07 10  20 54 10.117   +00 15 20.24  .01090 1.0258 147.5 19.2
2012 07 11  20 56 59.925   +00 47 30.21  .01097 1.0259 147.4 19.2
2012 07 12  20 59 42.510   +01 18 15.38  .01103 1.0259 147.4 19.3
2012 07 13  21 02 18.014   +01 47 35.02  .01110 1.0259 147.4 19.3
2012 07 14  21 04 46.618   +02 15 28.58  .01116 1.0259 147.4 19.3
2012 07 15  21 07 08.545   +02 41 55.69  .01122 1.0260 147.5 19.3
2012 07 16  21 09 24.055   +03 06 56.19  .01128 1.0260 147.5 19.3
2012 07 17  21 11 33.456   +03 30 30.16  .01134 1.0260 147.7 19.3
2012 07 18  21 13 37.100   +03 52 38.01  .01140 1.0260 147.8 19.3
2012 07 19  21 15 35.387   +04 13 20.50  .01146 1.0260 148.0 19.3
2012 07 20  21 17 28.762   +04 32 38.84  .01151 1.0260 148.2 19.3
2012 07 21  21 19 17.709   +04 50 34.71  .01157 1.0260 148.4 19.3
2012 07 22  21 21 02.739   +05 07 10.27  .01162 1.0260 148.7 19.3
2012 07 23  21 22 44.373   +05 22 28.13  .01168 1.0260 148.9 19.3
2012 07 24  21 24 23.119   +05 36 31.31  .01173 1.0259 149.2 19.3
2012 07 25  21 25 59.455   +05 49 23.11  .01179 1.0259 149.6 19.3
2012 07 26  21 27 33.800   +06 01 06.95  .01184 1.0259 149.9 19.3
2012 07 27  21 29 06.498   +06 11 46.23  .01190 1.0259 150.2 19.3
2012 07 28  21 30 37.792   +06 21 24.10  .01195 1.0258 150.6 19.3
2012 07 29  21 32 07.816   +06 30 03.30  .01200 1.0258 151.0 19.3
2012 07 30  21 33 36.587   +06 37 45.93  .01205 1.0258 151.4 19.3
2012 07 31  21 35 04.012   +06 44 33.35  .01210 1.0257 151.8 19.3
2012 08 01  21 36 29.901   +06 50 26.09  .01214 1.0257 152.2 19.3
2012 08 02  21 37 54.001   +06 55 23.87  .01218 1.0256 152.6 19.3
2012 08 03  21 39 16.021   +06 59 25.76  .01222 1.0256 153.0 19.3
2012 08 04  21 40 35.675   +07 02 30.32  .01226 1.0255 153.5 19.3
2012 08 05  21 41 52.704   +07 04 35.84  .01229 1.0255 153.9 19.3
2012 08 06  21 43 06.895   +07 05 40.50  .01233 1.0254 154.4 19.3
2012 08 07  21 44 18.094   +07 05 42.56  .01236 1.0253 154.9 19.3
2012 08 08  21 45 26.205   +07 04 40.45  .01239 1.0252 155.4 19.3
2012 08 09  21 46 31.193   +07 02 32.84  .01241 1.0252 155.9 19.3
2012 08 10  21 47 33.080   +06 59 18.70  .01244 1.0251 156.5 19.2
2012 08 11  21 48 31.939   +06 54 57.32  .01247 1.0250 157.0 19.2
2012 08 12  21 49 27.899   +06 49 28.36  .01249 1.0249 157.6 19.2
2012 08 13  21 50 21.142   +06 42 51.88  .01252 1.0248 158.1 19.2
2012 08 14  21 51 11.906   +06 35 08.41  .01255 1.0247 158.7 19.2
2012 08 15  21 52 00.490   +06 26 19.00  .01257 1.0246 159.3 19.2
2012 08 16  21 52 47.254   +06 16 25.30  .01260 1.0245 159.8 19.2
2012 08 17  21 53 32.615   +06 05 29.61  .01263 1.0244 160.4 19.2
2012 08 18  21 54 17.047   +05 53 34.95  .01267 1.0242 161.0 19.1
2012 08 19  21 55 01.058   +05 40 44.97  .01270 1.0241 161.6 19.1
2012 08 20  21 55 45.174   +05 27 03.93  .01274 1.0240 162.1 19.1
2012 08 21  21 56 29.909   +05 12 36.46  .01278 1.0239 162.6 19.1
2012 08 22  21 57 15.732   +04 57 27.43  .01283 1.0237 163.2 19.1
2012 08 23  21 58 03.042   +04 41 41.61  .01287 1.0236 163.7 19.1
2012 08 24  21 58 52.145   +04 25 23.49  .01292 1.0234 164.1 19.1
2012 08 25  21 59 43.241   +04 08 37.05  .01297 1.0233 164.6 19.1
2012 08 26  22 00 36.421   +03 51 25.63  .01302 1.0231 165.0 19.1
2012 08 27  22 01 31.666   +03 33 51.79  .01307 1.0230 165.3 19.1
2012 08 28  22 02 28.869   +03 15 57.38  .01313 1.0228 165.7 19.1
2012 08 29  22 03 27.847   +02 57 43.55  .01318 1.0227 165.9 19.1
2012 08 30  22 04 28.367   +02 39 10.89  .01323 1.0225 166.2 19.1
2012 08 31  22 05 30.173   +02 20 19.57  .01329 1.0223 166.4 19.1
2012 09 01  22 06 33.013   +02 01 09.57  .01335 1.0221 166.5 19.1
2012 09 02  22 07 36.655   +01 41 40.87  .01340 1.0220 166.6 19.1
2012 09 03  22 08 40.907   +01 21 53.55  .01346 1.0218 166.6 19.1
2012 09 04  22 09 45.625   +01 01 48.00  .01352 1.0216 166.6 19.1
2012 09 05  22 10 50.719   +00 41 24.95  .01359 1.0214 166.5 19.1
2012 09 06  22 11 56.147   +00 20 45.54  .01365 1.0212 166.3 19.1
2012 09 07  22 13 01.920   -00 00 08.68  .01372 1.0210 166.1 19.1
2012 09 08  22 14 08.091   -00 21 15.75  .01379 1.0208 165.8 19.2
2012 09 09  22 15 14.761   -00 42 33.29  .01386 1.0206 165.5 19.2
2012 09 10  22 16 22.070   -01 03 58.50  .01394 1.0204 165.1 19.2
2012 09 11  22 17 30.201   -01 25 28.20  .01402 1.0202 164.7 19.2
2012 09 12  22 18 39.380   -01 46 58.79  .01410 1.0200 164.2 19.3
2012 09 13  22 19 49.881   -02 08 26.27  .01419 1.0198 163.7 19.3
2012 09 14  22 21 02.020   -02 29 46.26  .01429 1.0196 163.1 19.3
2012 09 15  22 22 16.151   -02 50 54.07  .01439 1.0194 162.6 19.4
2012 09 16  22 23 32.657   -03 11 44.78  .01450 1.0192 162.0 19.4
2012 09 17  22 24 51.922   -03 32 13.46  .01461 1.0190 161.4 19.4
2012 09 18  22 26 14.309   -03 52 15.36  .01473 1.0188 160.8 19.5
2012 09 19  22 27 40.127   -04 11 46.18  .01485 1.0185 160.2 19.5
2012 09 20  22 29 09.603   -04 30 42.25  .01498 1.0183 159.5 19.5
2012 09 21  22 30 42.863   -04 49 00.73  .01511 1.0181 158.9 19.6
2012 09 22  22 32 19.933   -05 06 39.61  .01524 1.0179 158.3 19.6
2012 09 23  22 34 00.737   -05 23 37.68  .01538 1.0177 157.7 19.7
2012 09 24  22 35 45.117   -05 39 54.43  .01553 1.0175 157.1 19.7
2012 09 25  22 37 32.847   -05 55 29.92  .01568 1.0172 156.4 19.7
2012 09 26  22 39 23.660   -06 10 24.57  .01583 1.0170 155.8 19.8
2012 09 27  22 41 17.259   -06 24 39.06  .01598 1.0168 155.2 19.8
2012 09 28  22 43 13.340   -06 38 14.16  .01614 1.0166 154.6 19.8
2012 09 29  22 45 11.605   -06 51 10.62  .01630 1.0164 154.1 19.9
2012 09 30  22 47 11.775   -07 03 29.06  .01646 1.0162 153.5 19.9
2012 10 01  22 49 13.600   -07 15 09.91  .01663 1.0159 152.9 20.0
2012 10 02  22 51 16.865   -07 26 13.38  .01680 1.0157 152.3 20.0
2012 10 03  22 53 21.390   -07 36 39.40  .01697 1.0155 151.7 20.0
2012 10 04  22 55 27.035   -07 46 27.69  .01715 1.0153 151.1 20.1
2012 10 05  22 57 33.698   -07 55 37.71  .01733 1.0151 150.6 20.1
2012 10 06  22 59 41.309   -08 04 08.73  .01752 1.0149 150.0 20.2
2012 10 07  23 01 49.832   -08 11 59.86  .01771 1.0147 149.4 20.2
2012 10 08  23 03 59.262   -08 19 10.03  .01791 1.0145 148.9 20.2
2012 10 09  23 06 09.624   -08 25 38.06  .01811 1.0143 148.3 20.3
2012 10 10  23 08 20.975   -08 31 22.63  .01832 1.0141 147.8 20.3
2012 10 11  23 10 33.403   -08 36 22.31  .01854 1.0139 147.3 20.4
2012 10 12  23 12 47.032   -08 40 35.59  .01876 1.0138 146.7 20.4
2012 10 13  23 15 02.019   -08 44 00.92  .01899 1.0136 146.2 20.4
2012 10 14  23 17 18.548   -08 46 36.80  .01923 1.0134 145.7 20.5
2012 10 15  23 19 36.815   -08 48 21.89  .01948 1.0132 145.2 20.5
2012 10 16  23 21 57.015   -08 49 15.17  .01973 1.0130 144.7 20.6
2012 10 17  23 24 19.310   -08 49 16.10  .01999 1.0129 144.2 20.6
2012 10 18  23 26 43.810   -08 48 24.74  .02025 1.0127 143.8 20.6
2012 10 19  23 29 10.552   -08 46 41.78  .02052 1.0126 143.3 20.7
2012 10 20  23 31 39.498   -08 44 08.49  .02080 1.0124 142.9 20.7
2012 10 21  23 34 10.536   -08 40 46.59  .02108 1.0123 142.5 20.8
2012 10 22  23 36 43.499   -08 36 38.13  .02137 1.0121 142.1 20.8
2012 10 23  23 39 18.180   -08 31 45.30  .02167 1.0120 141.7 20.8
2012 10 24  23 41 54.348   -08 26 10.36  .02196 1.0118 141.3 20.9
2012 10 25  23 44 31.762   -08 19 55.49  .02227 1.0117 140.9 20.9
2012 10 26  23 47 10.183   -08 13 02.76  .02258 1.0116 140.6 21.0
2012 10 27  23 49 49.383   -08 05 34.08  .02289 1.0115 140.2 21.0
2012 10 28  23 52 29.148   -07 57 31.19  .02321 1.0114 139.9 21.0
2012 10 29  23 55 09.283   -07 48 55.62  .02354 1.0113 139.5 21.1
2012 10 30  23 57 49.620   -07 39 48.71  .02387 1.0112 139.2 21.1
2012 10 31  00 00 30.014   -07 30 11.60  .02420 1.0111 138.8 21.1
2012 11 01  00 03 10.347   -07 20 05.26  .02455 1.0110 138.5 21.2
2012 11 02  00 05 50.527   -07 09 30.46  .02490 1.0109 138.2 21.2
2012 11 03  00 08 30.489   -06 58 27.86  .02525 1.0108 137.9 21.3
2012 11 04  00 11 10.194   -06 46 57.96  .02562 1.0107 137.5 21.3
2012 11 05  00 13 49.626   -06 35 01.17  .02599 1.0107 137.2 21.3
2012 11 06  00 16 28.792   -06 22 37.77  .02636 1.0106 136.9 21.4
2012 11 07  00 19 07.725   -06 09 47.98  .02675 1.0106 136.6 21.4
2012 11 08  00 21 46.481   -05 56 31.92  .02715 1.0105 136.3 21.5
2012 11 09  00 24 25.142   -05 42 49.64  .02755 1.0105 136.0 21.5
2012 11 10  00 27 03.816   -05 28 41.15  .02796 1.0105 135.7 21.5
2012 11 11  00 29 42.636   -05 14 06.45  .02839 1.0104 135.4 21.6
2012 11 12  00 32 21.756   -04 59 05.56  .02882 1.0104 135.1 21.6
2012 11 13  00 35 01.337   -04 43 38.68  .02926 1.0104 134.8 21.7
2012 11 14  00 37 41.536   -04 27 46.21  .02971 1.0104 134.5 21.7
2012 11 15  00 40 22.484   -04 11 28.87  .03017 1.0104 134.2 21.7
2012 11 16  00 43 04.271   -03 54 47.73  .03064 1.0104 134.0 21.8
2012 11 17  00 45 46.936   -03 37 44.18  .03112 1.0105 133.7 21.8
2012 11 18  00 48 30.465   -03 20 19.85  .03161 1.0105 133.4 21.9
2012 11 19  00 51 14.800   -03 02 36.55  .03210 1.0105 133.2 21.9
2012 11 20  00 53 59.852   -02 44 36.08  .03261 1.0106 132.9 21.9
2012 11 21  00 56 45.511   -02 26 20.23  .03312 1.0106 132.7 22.0
2012 11 22  00 59 31.659   -02 07 50.68  .03364 1.0107 132.5 22.0
2012 11 23  01 02 18.177   -01 49 09.00  .03416 1.0107 132.2 22.1
2012 11 24  01 05 04.952   -01 30 16.61  .03470 1.0108 132.0 22.1
2012 11 25  01 07 51.878   -01 11 14.79  .03524 1.0109 131.8 22.1
2012 11 26  01 10 38.857   -00 52 04.70  .03579 1.0110 131.5 22.2
2012 11 27  01 13 25.805   -00 32 47.37  .03635 1.0111 131.3 22.2
2012 11 28  01 16 12.649   -00 13 23.69  .03692 1.0112 131.1 22.3
2012 11 29  01 18 59.333   +00 06 05.53  .03749 1.0113 130.8 22.3
2012 11 30  01 21 45.810   +00 25 39.64  .03808 1.0114 130.6 22.3
2012 12 01  01 24 32.054   +00 45 18.04  .03867 1.0115 130.4 22.4
2012 12 02  01 27 18.050   +01 05 00.25  .03927 1.0116 130.1 22.4
2012 12 03  01 30 03.801   +01 24 45.88  .03989 1.0118 129.9 22.5
2012 12 04  01 32 49.324   +01 44 34.59  .04051 1.0119 129.7 22.5
2012 12 05  01 35 34.653   +02 04 26.11  .04114 1.0121 129.4 22.5
2012 12 06  01 38 19.838   +02 24 20.24  .04179 1.0122 129.2 22.6
2012 12 07  01 41 04.945   +02 44 16.81  .04244 1.0124 128.9 22.6
2012 12 08  01 43 50.056   +03 04 15.70  .04311 1.0126 128.7 22.7
2012 12 09  01 46 35.273   +03 24 16.82  .04378 1.0127 128.5 22.7
2012 12 10  01 49 20.709   +03 44 20.06  .04447 1.0129 128.2 22.7
2012 12 11  01 52 06.490   +04 04 25.29  .04518 1.0131 128.0 22.8
2012 12 12  01 54 52.747   +04 24 32.31  .04589 1.0133 127.8 22.8
2012 12 13  01 57 39.599   +04 44 40.78  .04661 1.0135 127.5 22.9
2012 12 14  02 00 27.148   +05 04 50.20  .04735 1.0138 127.3 22.9
2012 12 15  02 03 15.465   +05 24 59.93  .04810 1.0140 127.1 22.9
2012 12 16  02 06 04.585   +05 45 09.17  .04886 1.0142 126.8 23.0
2012 12 17  02 08 54.510   +06 05 17.04  .04963 1.0145 126.6 23.0
2012 12 18  02 11 45.213   +06 25 22.60  .05041 1.0147 126.4 23.1
2012 12 19  02 14 36.649   +06 45 24.94  .05120 1.0149 126.1 23.1
2012 12 20  02 17 28.760   +07 05 23.18  .05200 1.0152 125.9 23.1
2012 12 21  02 20 21.485   +07 25 16.51  .05281 1.0155 125.7 23.2
2012 12 22  02 23 14.762   +07 45 04.18  .05363 1.0157 125.5 23.2
2012 12 23  02 26 08.530   +08 04 45.53  .05445 1.0160 125.3 23.3
2012 12 24  02 29 02.734   +08 24 19.94  .05529 1.0163 125.0 23.3
2012 12 25  02 31 57.321   +08 43 46.88  .05614 1.0166 124.8 23.3
2012 12 26  02 34 52.246   +09 03 05.84  .05700 1.0169 124.6 23.4
2012 12 27  02 37 47.468   +09 22 16.41  .05786 1.0172 124.4 23.4
2012 12 28  02 40 42.954   +09 41 18.21  .05874 1.0175 124.2 23.4
2012 12 29  02 43 38.677   +10 00 10.89  .05963 1.0178 123.9 23.5
2012 12 30  02 46 34.621   +10 18 54.18  .06053 1.0181 123.7 23.5
2012 12 31  02 49 30.777   +10 37 27.84  .06143 1.0185 123.5 23.6
2013 01 01  02 52 27.148   +10 55 51.65  .06235 1.0188 123.2 23.6
2013 01 02  02 55 23.748   +11 14 05.46  .06328 1.0192 123.0 23.6
2013 01 03  02 58 20.601   +11 32 09.12  .06422 1.0195 122.8 23.7
2013 01 04  03 01 17.743   +11 50 02.52  .06518 1.0198 122.5 23.7
2013 01 05  03 04 15.222   +12 07 45.55  .06614 1.0202 122.3 23.8
2013 01 06  03 07 13.100   +12 25 18.12  .06712 1.0206 122.1 23.8
2013 01 07  03 10 11.444   +12 42 40.14  .06811 1.0209 121.8 23.8
2013 01 08  03 13 10.335   +12 59 51.51  .06911 1.0213 121.6 23.9
2013 01 09  03 16 09.856   +13 16 52.11  .07013 1.0217 121.4 23.9
2013 01 10  03 19 10.089   +13 33 41.75  .07115 1.0221 121.1 23.9
2013 01 11  03 22 11.109   +13 50 20.21  .07219 1.0225 120.9 24.0
2013 01 12  03 25 12.976   +14 06 47.22  .07324 1.0228 120.7 24.0
2013 01 13  03 28 15.728   +14 23 02.43  .07431 1.0232 120.5 24.1
2013 01 14  03 31 19.381   +14 39 05.45  .07538 1.0236 120.2 24.1
2013 01 15  03 34 23.930   +14 54 55.87  .07646 1.0240 120.0 24.1
2013 01 16  03 37 29.351   +15 10 33.26  .07756 1.0245 119.8 24.2
2013 01 17  03 40 35.610   +15 25 57.21  .07866 1.0249 119.5 24.2
2013 01 18  03 43 42.665   +15 41 07.33  .07978 1.0253 119.3 24.2
2013 01 19  03 46 50.469   +15 56 03.27  .08090 1.0257 119.1 24.3
2013 01 20  03 49 58.975   +16 10 44.67  .08203 1.0261 118.9 24.3
2013 01 21  03 53 08.137   +16 25 11.26  .08318 1.0266 118.7 24.3
2013 01 22  03 56 17.910   +16 39 22.73  .08433 1.0270 118.4 24.4
2013 01 23  03 59 28.250   +16 53 18.85  .08549 1.0274 118.2 24.4
2013 01 24  04 02 39.115   +17 06 59.38  .08666 1.0279 118.0 24.4
2013 01 25  04 05 50.467   +17 20 24.11  .08784 1.0283 117.8 24.5
2013 01 26  04 09 02.270   +17 33 32.87  .08902 1.0288 117.5 24.5