"Pseudo-MPEC" for P21Ddgn

Created 2023 Jan 29 13:22:24 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     P21Ddgn* C2023 01 23b@oNrc1fayaWonN2g/-hkBe2h)LeMX+B,#,imAstrometryqlTN;F52
     P21Ddgn  C2023 01 23#'je421VwwyIoFvMQ?4/K,x#DMQ9*-ANLU`]f7Z?q*4=;Iy)XJ50F52
     P21Ddgn  C2023 01 23C8/JCHTPC\WSv:s3O8^Y9u%m%7=:G:S0dv3r'VT^/*R\='tV:TX.F52
     P21Ddgn  C2023 01 23P7!Uredacted;NroO3H`QysJOX9cpuZRJ6F$HTT_//g(%=;'#lZvF52
     P21Ddgn 3C2023 01 24p:%OXl)nL5=[ve6Q%E:l's/B!ficlick5b9PBhb`4E.aZ$#C,TH+T14
     P21Ddgn 3C2023 01 24no3BX/ChereER2alb)4%jIJR0+Yh!\1-j4l8)%Z;5W`gjH3,QH1uT14
     P21Ddgn 3C2023 01 24q\N[AaIBw4)gHuY+UnGjKa1o/forE;mgexplanationj#ryDYH@VT14
     P21Ddgn KC2023 01 26.34260609 38 03.894+13 29 55.93   ~1Q8q 21.18GVNEOCPI52
     P21Ddgn KC2023 01 26.34805809 38 02.915+13 29 56.04   ~1Q8q 21.27GVNEOCPI52
     P21Ddgn KC2023 01 26.35278909 38 02.044+13 29 56.33   ~1Q8q 21.83GVNEOCPI52
     P21Ddgn KC2023 01 26.35584409 38 01.482+13 29 56.65   ~1Q8q 22.20GVNEOCPI52
     P21Ddgn 1C2023 01 29.08737 09 30 59.31 +13 32 03.1    ~1TAM 20.8 VXNEOCP033
     P21Ddgn 1C2023 01 29.09096 09 30 58.74 +13 32 03.1    ~1TAM 20.9 VXNEOCP033
     P21Ddgn 1C2023 01 29.09454 09 30 58.21 +13 32 03.4    ~1TAM 21.1 VXNEOCP033
     P21Ddgn 1C2023 01 29.09828 09 30 57.62 +13 32 03.5    ~1TAM 20.6 VXNEOCP033
     P21Ddgn KC2023 01 29.29116609 30 31.889+13 32 25.66   ~1T9M 21.75GVNEOCPI52
     P21Ddgn KC2023 01 29.37309809 30 19.120+13 32 30.62   ~1T9M 21.44GVNEOCPI52
     P21Ddgn KC2023 01 29.37696309 30 18.544+13 32 31.27   ~1T9M 21.13GVNEOCPI52

Station data:
(033) Karl Schwarzschild Observatory, Tautenburg  (N50.980137 E11.711240)
   Germany.  Observers S. Melnikov, C. Hoegner, B. Stecklum. Measurer B.
   Stecklum. 1.34-m f/3 Schmidt + CCD.
(F52) Pan-STARRS 2, Haleakala  (N20.707382 W156.255910)  US/Hawaii.
   Observers J. Bulger, T. Dukes, T. Lowe, A. Schultz, M. Willman. Measurers
   K. Chambers, S. Chastel, T. de Boer, L. Denneau, J. Fairlamb, H.
   Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat,
   R. Weryk. 1.8-m Ritchey-Chrétien + CCD.
(I52) Steward Observatory, Mt. Lemmon Station  (N32.442544 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, K. W. Wierzchoś. 1.0-m reflector + CCD.
(T14) Mauna Kea-UH/Tholen NEO Follow-Up (CFHT)  (N19.825252 W155.468876)
   US/Hawaii. 3.6-m Canada-France-Hawaii Telescope.

Orbital elements:  P21Ddgn
   Perihelion 2022 Nov 25.72065 +/- 0.0222 TT = 17:17:44 (JD 2459909.22065)
Epoch 2023 Jan 29.0 TT = JDT 2459973.5   Earth MOID: 0.0179   Ma: 0.0585
M  23.74836149 +/- 0.21             (J2000 ecliptic)             AutoNEOCP
n   0.36945555 +/- 0.00325          Peri.  106.60662 +/- 0.042
a   1.92351060 +/- 0.0113           Node   306.29376 +/- 0.014
e   0.5524560 +/- 0.00296           Incl.    2.58740 +/- 0.013
P   2.67/974.39d           H 23.79  G  0.15   U  8.9
q 0.86085552 +/- 0.000633    Q 2.98616567 +/- 0.0232
From 18 observations 2023 Jan. 23-29; mean residual 0".13
Residuals in arcseconds: 
230123 F52  .03-  .03+    230124 T14  .03-  .00     230129 033  .02-  .14-    
230123 F52  .05-  .13+    230126 I52  .05-  .05+    230129 033  .23+  .04+    
230123 F52  .17+  .04+    230126 I52  .15+  .12-    230129 033  .05-  .01+    
230123 F52  .01-  .02+    230126 I52  .01+  .08-    230129 I52  .29-  .19-    
230124 T14  .02+  .00     230126 I52  .08-  .09+    230129 I52  .22-  .06-    
230124 T14  .01+  .00     230129 033  .29+  .01-    230129 I52  .14+  .41+    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2023 01 29 13  09 29 55.824   +13 32 52.89  .21959 1.2009 168.5 21.6 .138 179
2023 01 29 14  09 29 50.005   +13 32 55.15  .21988 1.2013 168.6 21.6 .141 178
2023 01 29 15  09 29 44.198   +13 32 57.41  .22018 1.2016 168.6 21.6 .143 177
2023 01 29 16  09 29 38.405   +13 32 59.67  .22047 1.2019 168.7 21.6 .146 176
2023 01 29 17  09 29 32.625   +13 33 01.94  .22077 1.2023 168.8 21.6 .148 175
2023 01 29 18  09 29 26.857   +13 33 04.21  .22106 1.2026 168.8 21.6 .151 174
2023 01 29 19  09 29 21.103   +13 33 06.49  .22136 1.2029 168.9 21.6 .154 173
2023 01 29 20  09 29 15.361   +13 33 08.76  .22165 1.2033 169.0 21.6 .157 172
2023 01 29 21  09 29 09.632   +13 33 11.04  .22195 1.2036 169.0 21.6 .160 171
2023 01 29 22  09 29 03.915   +13 33 13.32  .22225 1.2039 169.1 21.6 .163 170
2023 01 29 23  09 28 58.212   +13 33 15.61  .22254 1.2043 169.1 21.6 .166 169
2023 01 30 00  09 28 52.521   +13 33 17.89  .22284 1.2046 169.2 21.6 .169 169
2023 01 30 01  09 28 46.843   +13 33 20.18  .22314 1.2049 169.3 21.6 .172 168
2023 01 30 02  09 28 41.177   +13 33 22.47  .22343 1.2053 169.3 21.6 .175 167
2023 01 30 03  09 28 35.524   +13 33 24.77  .22373 1.2056 169.4 21.6 .178 166
2023 01 30 04  09 28 29.884   +13 33 27.06  .22403 1.2060 169.5 21.6 .182 166
2023 01 30 05  09 28 24.256   +13 33 29.36  .22432 1.2063 169.5 21.6 .185 165
2023 01 30 06  09 28 18.640   +13 33 31.66  .22462 1.2066 169.6 21.6 .188 164
2023 01 30 07  09 28 13.038   +13 33 33.97  .22492 1.2070 169.6 21.6 .192 164
2023 01 30 08  09 28 07.447   +13 33 36.27  .22522 1.2073 169.7 21.6 .195 163
2023 01 30 09  09 28 01.870   +13 33 38.58  .22552 1.2076 169.8 21.6 .199 162
2023 01 30 10  09 27 56.304   +13 33 40.89  .22582 1.2080 169.8 21.6 .202 162
2023 01 30 11  09 27 50.751   +13 33 43.21  .22611 1.2083 169.9 21.6 .206 161
2023 01 30 12  09 27 45.211   +13 33 45.52  .22641 1.2086 170.0 21.6 .209 161
2023 01 30 13  09 27 39.682   +13 33 47.84  .22671 1.2090 170.0 21.6 .213 160
2023 01 30 14  09 27 34.166   +13 33 50.16  .22701 1.2093 170.1 21.6 .217 160
2023 01 30 15  09 27 28.663   +13 33 52.48  .22731 1.2096 170.1 21.6 .220 159
2023 01 30 16  09 27 23.172   +13 33 54.81  .22761 1.2100 170.2 21.6 .224 159
2023 01 30 17  09 27 17.692   +13 33 57.13  .22791 1.2103 170.3 21.6 .228 158
2023 01 30 18  09 27 12.226   +13 33 59.46  .22821 1.2107 170.3 21.6 .232 158
2023 01 30 19  09 27 06.771   +13 34 01.79  .22851 1.2110 170.4 21.6 .236 157
2023 01 30 20  09 27 01.329   +13 34 04.12  .22881 1.2113 170.5 21.6 .239 157
2023 01 30 21  09 26 55.898   +13 34 06.46  .22911 1.2117 170.5 21.6 .243 157
2023 01 30 22  09 26 50.480   +13 34 08.79  .22941 1.2120 170.6 21.6 .247 156
2023 01 30 23  09 26 45.074   +13 34 11.13  .22971 1.2123 170.6 21.6 .251 156
2023 01 31 00  09 26 39.680   +13 34 13.47  .23002 1.2127 170.7 21.6 .255 155
2023 01 31 01  09 26 34.298   +13 34 15.81  .23032 1.2130 170.8 21.6 .259 155
2023 01 31 02  09 26 28.929   +13 34 18.16  .23062 1.2134 170.8 21.6 .263 155
2023 01 31 03  09 26 23.571   +13 34 20.50  .23092 1.2137 170.9 21.6 .267 154
2023 01 31 04  09 26 18.225   +13 34 22.85  .23122 1.2140 170.9 21.6 .271 154
2023 01 31 05  09 26 12.891   +13 34 25.20  .23153 1.2144 171.0 21.6 .276 154
2023 01 31 06  09 26 07.569   +13 34 27.55  .23183 1.2147 171.1 21.6 .280 154
2023 01 31 07  09 26 02.259   +13 34 29.90  .23213 1.2150 171.1 21.6 .284 153
2023 01 31 08  09 25 56.961   +13 34 32.26  .23243 1.2154 171.2 21.6 .288 153
2023 01 31 09  09 25 51.675   +13 34 34.61  .23274 1.2157 171.3 21.6 .292 153
2023 01 31 10  09 25 46.401   +13 34 36.97  .23304 1.2160 171.3 21.6 .296 152
2023 01 31 11  09 25 41.138   +13 34 39.33  .23335 1.2164 171.4 21.6 .301 152
2023 01 31 12  09 25 35.887   +13 34 41.69  .23365 1.2167 171.4 21.6 .305 152