"Pseudo-MPEC" for P21D8H7

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

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     P21D8H7* C2023 01 226?,D5`7r8^Ro.(-lZbUW;IAstrometryH0knPGCy]b_[RFrJ^0WSF52
     P21D8H7  C2023 01 22_;dtWt+sCS]4!]dHc+CI@Ooly-V`uU_j3Yu`(Ck)'URa?7^BX3k$F52
     P21D8H7  C2023 01 223x'C8V9n;)[O$A+`vjERvaK3EGE38J6+CNa]BVfW+Ex7+=3O?K#jF52
     P21D8H7 |C2023 01 23_#7^jObj?m3n.Jje7HJ6;AqOq4nvk95Hredacted;*t846(S^p!F807
     P21D8H7 |C2023 01 23@l11n6GnQC@ZnT)jyBHLT`:Din(9oOY;:k/P8X\[x),Et+ATSHbn807
     P21D8H7 |C2023 01 23b,7V5P/clickAXT+cmcE(;afGa`,(::PV.9byIwO);8hereKNm07807
     P21D8H7 3C2023 01 24:M6vhwbi8OApiKLQ5PBf%K\rv0e,!Y37U!hrD'ttk=M=oFREhs%9T14
     P21D8H7 3C2023 01 24UQjepPfOdW^?EVdL+8(vUfor0m$VF$xs]7N4'm*233vjqo5(Y3KDT14
     P21D8H7 3C2023 01 24/[T9d=buTT#h5pLG)_ws1mc9%LR#5g2kvHx9wexplanationRm!uT14
     P21D8H7 KC2023 01 27.40858 10 55 21.88 +12 09 31.6    ~1RB7 21.8 RoNEOCP291
     P21D8H7 KC2023 01 27.42257 10 55 22.90 +12 10 16.1    ~1RB7 21.4 RoNEOCP291
     P21D8H7 KC2023 01 27.43657 10 55 23.96 +12 10 59.9    ~1RB7 20.9 RoNEOCP291
     P21D8H7 1C2023 01 29.13807 10 57 50.09 +13 41 52.0    ~1T9q 21.8 VXNEOCP033
     P21D8H7 1C2023 01 29.14137 10 57 50.31 +13 42 02.5    ~1T9q 21.7 VXNEOCP033
     P21D8H7 1C2023 01 29.14466 10 57 50.55 +13 42 13.0    ~1T9q 21.8 VXNEOCP033

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.
(291) LPL/Spacewatch II  (N31.961669 W111.599905)  US/Arizona.  Observers J.
   V. Scotti, R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
(807) Cerro Tololo Observatory, La Serena  (S30.169133 W70.805900)  Chile.
   Observer R. Holmes. 0.61-m f/6.5 astrograph + 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.
(T14) Mauna Kea-UH/Tholen NEO Follow-Up (CFHT)  (N19.825252 W155.468876)
   US/Hawaii. 3.6-m Canada-France-Hawaii Telescope.

Orbital elements:  P21D8H7
   Perihelion 2023 Jan 16.74863 +/- 0.0509 TT = 17:58:01 (JD 2459961.24863)
Epoch 2023 Jan 29.0 TT = JDT 2459973.5   Earth MOID: 0.2353      AutoNEOCP
M   6.67378014 +/- 0.035            (J2000 ecliptic)
n   0.54473754 +/- 0.000903         Peri.  355.76513 +/- 0.041
a   1.48483379 +/- 0.00164          Node   129.89454 +/- 0.014
e   0.1784214 +/- 0.000555          Incl.   15.01223 +/- 0.032
P   1.81/660.86d           H 22.86  G  0.15   U  8.0
q 1.21990759 +/- 0.000533    Q 1.74975999 +/- 0.00276
From 15 observations 2023 Jan. 22-29; mean residual 0".21
Residuals in arcseconds: 
230122 F52  .25-  .04-    230123 807  .25-  .05-    230127 291  .46-  .36+    
230122 F52  .07+  .14+    230124 T14  .01+  .01+    230127 291  .58-  .08-    
230122 F52  .10-  .01-    230124 T14  .02+  .02-    230129 033  .48+  .13+    
230123 807  .11+  .07+    230124 T14  .00   .00     230129 033  .02+  .07-    
230123 807  .08+  .11+    230127 291  .23+  .11+    230129 033  .14-  .23-    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2023 01 29 13  10 58 24.407   +14 04 08.60  .27065 1.2228 148.0 21.7 .189 124
2023 01 29 14  10 58 27.871   +14 06 24.96  .27058 1.2228 148.0 21.7 .195 124
2023 01 29 15  10 58 31.331   +14 08 41.41  .27052 1.2228 148.0 21.7 .201 123
2023 01 29 16  10 58 34.787   +14 10 57.94  .27046 1.2229 148.1 21.7 .207 123
2023 01 29 17  10 58 38.240   +14 13 14.54  .27040 1.2229 148.1 21.7 .214 122
2023 01 29 18  10 58 41.688   +14 15 31.22  .27034 1.2229 148.1 21.7 .220 122
2023 01 29 19  10 58 45.132   +14 17 47.99  .27027 1.2229 148.2 21.7 .226 121
2023 01 29 20  10 58 48.572   +14 20 04.82  .27021 1.2229 148.2 21.7 .233 121
2023 01 29 21  10 58 52.008   +14 22 21.74  .27015 1.2230 148.2 21.7 .239 121
2023 01 29 22  10 58 55.440   +14 24 38.73  .27009 1.2230 148.3 21.7 .246 120
2023 01 29 23  10 58 58.868   +14 26 55.80  .27003 1.2230 148.3 21.7 .253 120
2023 01 30 00  10 59 02.292   +14 29 12.95  .26997 1.2230 148.3 21.7 .260 119
2023 01 30 01  10 59 05.712   +14 31 30.17  .26991 1.2230 148.4 21.7 .266 119
2023 01 30 02  10 59 09.128   +14 33 47.46  .26985 1.2230 148.4 21.7 .273 119
2023 01 30 03  10 59 12.540   +14 36 04.84  .26979 1.2231 148.4 21.6 .280 119
2023 01 30 04  10 59 15.948   +14 38 22.28  .26973 1.2231 148.5 21.6 .288 118
2023 01 30 05  10 59 19.351   +14 40 39.80  .26968 1.2231 148.5 21.6 .295 118
2023 01 30 06  10 59 22.751   +14 42 57.40  .26962 1.2231 148.5 21.6 .302 118
2023 01 30 07  10 59 26.147   +14 45 15.06  .26956 1.2231 148.6 21.6 .309 117
2023 01 30 08  10 59 29.538   +14 47 32.80  .26950 1.2232 148.6 21.6 .317 117
2023 01 30 09  10 59 32.926   +14 49 50.62  .26944 1.2232 148.6 21.6 .324 117
2023 01 30 10  10 59 36.309   +14 52 08.50  .26939 1.2232 148.7 21.6 .332 117
2023 01 30 11  10 59 39.688   +14 54 26.46  .26933 1.2232 148.7 21.6 .339 116
2023 01 30 12  10 59 43.063   +14 56 44.48  .26927 1.2232 148.7 21.6 .347 116
2023 01 30 13  10 59 46.434   +14 59 02.58  .26922 1.2233 148.8 21.6 .355 116
2023 01 30 14  10 59 49.801   +15 01 20.75  .26916 1.2233 148.8 21.6 .363 116
2023 01 30 15  10 59 53.164   +15 03 38.99  .26910 1.2233 148.8 21.6 .371 115
2023 01 30 16  10 59 56.523   +15 05 57.30  .26905 1.2233 148.9 21.6 .379 115
2023 01 30 17  10 59 59.878   +15 08 15.68  .26899 1.2234 148.9 21.6 .387 115
2023 01 30 18  11 00 03.229   +15 10 34.13  .26894 1.2234 148.9 21.6 .395 115
2023 01 30 19  11 00 06.575   +15 12 52.64  .26888 1.2234 149.0 21.6 .403 115
2023 01 30 20  11 00 09.917   +15 15 11.23  .26883 1.2234 149.0 21.6 .412 114
2023 01 30 21  11 00 13.256   +15 17 29.88  .26877 1.2234 149.0 21.6 .420 114
2023 01 30 22  11 00 16.590   +15 19 48.60  .26872 1.2235 149.1 21.6 .428 114
2023 01 30 23  11 00 19.920   +15 22 07.39  .26867 1.2235 149.1 21.6 .437 114
2023 01 31 00  11 00 23.246   +15 24 26.24  .26861 1.2235 149.1 21.6 .445 114
2023 01 31 01  11 00 26.567   +15 26 45.16  .26856 1.2235 149.2 21.6 .454 114
2023 01 31 02  11 00 29.885   +15 29 04.14  .26851 1.2235 149.2 21.6 .463 113
2023 01 31 03  11 00 33.198   +15 31 23.19  .26845 1.2236 149.2 21.6 .472 113
2023 01 31 04  11 00 36.508   +15 33 42.31  .26840 1.2236 149.3 21.6 .481 113
2023 01 31 05  11 00 39.813   +15 36 01.49  .26835 1.2236 149.3 21.6 .490 113
2023 01 31 06  11 00 43.114   +15 38 20.73  .26830 1.2236 149.3 21.6 .499 113
2023 01 31 07  11 00 46.411   +15 40 40.04  .26825 1.2236 149.4 21.6 .508 113
2023 01 31 08  11 00 49.703   +15 42 59.41  .26819 1.2237 149.4 21.6 .517 112
2023 01 31 09  11 00 52.992   +15 45 18.84  .26814 1.2237 149.4 21.6 .526 112
2023 01 31 10  11 00 56.276   +15 47 38.34  .26809 1.2237 149.5 21.6 .536 112
2023 01 31 11  11 00 59.557   +15 49 57.89  .26804 1.2237 149.5 21.6 .545 112
2023 01 31 12  11 01 02.833   +15 52 17.51  .26799 1.2237 149.5 21.6 .554 112