"Pseudo-MPEC" for C4EKDU2

Created 2021 Jan 14 16:07:05 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     C4EKDU2  C2021 01 07.28777507 34 02.87 +29 02 56.5    ~177q 21.04GVNEOCPG96
     C4EKDU2  C2021 01 07.29308207 34 02.56 +29 03 21.6    ~177q 21.17GVNEOCPG96
     C4EKDU2  C2021 01 07.29839407 34 02.22 +29 03 45.8    ~177q 21.23GVNEOCPG96
     C4EKDU2  C2021 01 07.30370507 34 01.84 +29 04 10.0    ~177q 21.21GVNEOCPG96
     C4EKDU2 KC2021 01 07.40754507 33 54.95 +29 12 00.0    ~17AM 20.78GVNEOCPI52
     C4EKDU2 KC2021 01 07.41091207 33 54.72 +29 12 15.0    ~17AM 21.77GVNEOCPI52
     C4EKDU2 KC2021 01 07.41427707 33 54.53 +29 12 30.2    ~17AM 21.47GVNEOCPI52
     C4EKDU2 KC2021 01 07.41764107 33 54.32 +29 12 45.5    ~17AM 21.03GVNEOCPI52

Station data:
(G96) Mt. Lemmon Survey  (N32.442754 W110.788720)  US/Arizona.  Observers T.
   A. Pruyne, B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls,
   A. R. Gibbs, A. D. Grauer, H. Gröller, J. A. Johnson, R. A. Kowalski, S.
   M. Larson, G. J. Leonard, D. Rankin, R. L. Seaman, F. C. Shelly. 1.5-m
   reflector + 10K CCD.
(I52) Steward Observatory, Mt. Lemmon Station  (N32.442547 W110.788920)
   US/Arizona.  Observers T. A. Pruyne, B. M. Africano, E. J. Christensen, G.
   A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Gröller, J. A.
   Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L.
   Seaman, F. C. Shelly. 1.0-m reflector + CCD.

Orbital elements:  C4EKDU2
   Perihelion 2020 Nov 27.035244 +/- 53.9842 TT =  0:50:45 (JD 2459180.535244)
Epoch 2021 Jan  7.0 TT = JDT 2459221.5   Earth MOID: 0.2980   AutoNEOCP
M  17.10010474 +/- 25.266556        (J2000 ecliptic)
n   0.41743456 +/- 0.242979         Peri.  332.30220 +/- 66.210027
a   1.77314307 +/- 0.690908         Node   103.89171 +/- 34.033106
e   0.2908425 +/- 0.220936          Incl.   24.58134 +/- 12.138598
P   2.36/862.39d           H 23.0   G  0.15   U 11.8  SR
q 1.25743769 +/- 0.256212    Q 2.28884845 +/- 2.70831
From 8 observations 2021 Jan. 7 (3.1 hr); mean residual 0".26
Residuals in arcseconds: 
210107 G96  .39-  .64-    210107 G96  .04-  .23+    210107 I52  .12+  .07-    
210107 G96  .15+  .25+    210107 I52  .13-  .03+    210107 I52  .23+  .10+    
210107 G96  .32+  .23+    210107 I52  .27-  .13-    

Ephemerides (geocentric):
Date (UTC) HH   RA              Dec         delta   r     elong  mag " sig PA
---- -- -- --  -------------   -----------  ------ ------ -----  --- ---- ---
2021 01 14 16  07 26 52.422   +37 36 51.77  .34593 1.3185 163.1 22.0  36d 160
2021 01 14 17  07 26 49.973   +37 39 28.10  .34611 1.3186 163.1 22.0  36d 159
2021 01 14 18  07 26 47.525   +37 42 04.22  .34629 1.3187 163.0 22.0  36d 159
2021 01 14 19  07 26 45.078   +37 44 40.11  .34647 1.3188 163.0 22.0  36d 159
2021 01 14 20  07 26 42.632   +37 47 15.78  .34665 1.3189 162.9 22.0  36d 159
2021 01 14 21  07 26 40.187   +37 49 51.24  .34684 1.3190 162.8 22.0  36d 159
2021 01 14 22  07 26 37.743   +37 52 26.47  .34702 1.3191 162.8 22.0  36d 159
2021 01 14 23  07 26 35.300   +37 55 01.49  .34720 1.3192 162.7 22.0  36d 159
2021 01 15 00  07 26 32.858   +37 57 36.28  .34738 1.3193 162.7 22.0  36d 159
2021 01 15 01  07 26 30.417   +38 00 10.86  .34757 1.3194 162.6 22.0  36d 159
2021 01 15 02  07 26 27.978   +38 02 45.21  .34775 1.3195 162.5 22.0  36d 158
2021 01 15 03  07 26 25.539   +38 05 19.34  .34794 1.3196 162.5 22.0  36d 158
2021 01 15 04  07 26 23.102   +38 07 53.26  .34812 1.3197 162.4 22.0  36d 158
2021 01 15 05  07 26 20.665   +38 10 26.95  .34831 1.3198 162.3 22.0  36d 158
2021 01 15 06  07 26 18.230   +38 13 00.42  .34850 1.3199 162.3 22.0  36d 158
2021 01 15 07  07 26 15.796   +38 15 33.67  .34868 1.3200 162.2 22.0  36d 158
2021 01 15 08  07 26 13.364   +38 18 06.70  .34887 1.3201 162.2 22.0  36d 158
2021 01 15 09  07 26 10.932   +38 20 39.50  .34906 1.3202 162.1 22.0  36d 158
2021 01 15 10  07 26 08.502   +38 23 12.09  .34924 1.3203 162.0 22.0  36d 158
2021 01 15 11  07 26 06.073   +38 25 44.45  .34943 1.3204 162.0 22.0  36d 158
2021 01 15 12  07 26 03.646   +38 28 16.59  .34962 1.3205 161.9 22.1  36d 158
2021 01 15 13  07 26 01.219   +38 30 48.51  .34981 1.3206 161.9 22.1  36d 157
2021 01 15 14  07 25 58.794   +38 33 20.20  .35000 1.3207 161.8 22.1  36d 157
2021 01 15 15  07 25 56.371   +38 35 51.68  .35019 1.3208 161.7 22.1  36d 157
2021 01 15 16  07 25 53.948   +38 38 22.93  .35038 1.3209 161.7 22.1  36d 157
2021 01 15 17  07 25 51.528   +38 40 53.96  .35057 1.3210 161.6 22.1  36d 157
2021 01 15 18  07 25 49.108   +38 43 24.76  .35076 1.3211 161.6 22.1  36d 157
2021 01 15 19  07 25 46.690   +38 45 55.34  .35095 1.3212 161.5 22.1  36d 157
2021 01 15 20  07 25 44.274   +38 48 25.70  .35115 1.3213 161.4 22.1  36d 158
2021 01 15 21  07 25 41.858   +38 50 55.84  .35134 1.3214 161.4 22.1  36d 158
2021 01 15 22  07 25 39.445   +38 53 25.75  .35153 1.3215 161.3 22.1  36d 158
2021 01 15 23  07 25 37.033   +38 55 55.43  .35173 1.3216 161.3 22.1  36d 158
2021 01 16 00  07 25 34.622   +38 58 24.90  .35192 1.3217 161.2 22.1  36d 159
2021 01 16 01  07 25 32.213   +39 00 54.14  .35211 1.3218 161.1 22.1  36d 159
2021 01 16 02  07 25 29.806   +39 03 23.16  .35231 1.3219 161.1 22.1  37d 160
2021 01 16 03  07 25 27.400   +39 05 51.95  .35250 1.3220 161.0 22.1  37d 160
2021 01 16 04  07 25 24.996   +39 08 20.52  .35270 1.3221 161.0 22.1  37d 160
2021 01 16 05  07 25 22.593   +39 10 48.86  .35289 1.3222 160.9 22.1  37d 160
2021 01 16 06  07 25 20.192   +39 13 16.98  .35309 1.3223 160.8 22.1  37d 160
2021 01 16 07  07 25 17.793   +39 15 44.87  .35329 1.3224 160.8 22.1  37d 161
2021 01 16 08  07 25 15.395   +39 18 12.54  .35348 1.3225 160.7 22.1  37d 161
2021 01 16 09  07 25 12.999   +39 20 39.99  .35368 1.3226 160.7 22.1  37d 161
2021 01 16 10  07 25 10.605   +39 23 07.21  .35388 1.3227 160.6 22.1  37d 161
2021 01 16 11  07 25 08.212   +39 25 34.20  .35408 1.3228 160.5 22.1  38d 161
2021 01 16 12  07 25 05.822   +39 28 00.97  .35428 1.3229 160.5 22.1  38d 161
2021 01 16 13  07 25 03.433   +39 30 27.52  .35447 1.3230 160.4 22.1  38d 161
2021 01 16 14  07 25 01.046   +39 32 53.84  .35467 1.3231 160.4 22.1  38d 161
2021 01 16 15  07 24 58.661   +39 35 19.93  .35487 1.3232 160.3 22.1  38d 161