"Pseudo-MPEC" for P21Ddk2

Created 2023 Feb 7 13:22:08 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     P21Ddk2* C2023 01 23.=VGD1t.8Q6.;G'w1r`(I?8/unLbSjpJnelV#Clf9mGjY@m?8:3bF52
     P21Ddk2  C2023 01 23Ru;vlevd3;Vj?S6_F*,7cL*\NuBb+3^/*f`nS!JCtWZ3$@;'Fy=OF52
     P21Ddk2  C2023 01 23y8q!Vm9WVCwkProNFLbZ*TEaTx$]xq/XLAstrometryeKev'bsxSF52
     P21Ddk2  C2023 01 23$JRpNn*Yt8X5G19*/09g6Yl!Usc)Kredacted;pauL9F!a*4[wFpF52
     P21Ddk2 2C2023 01 23DWc(@NvadUSfd')GRT.N!t[b$IC!Jmy'1(_$cI3=iwDsyv'-$a/xK91
     P21Ddk2 2C2023 01 23CqWFo2pfRMnT2L=6_4%6XRi/Yw3u,fWwdc5wOgJwA7I8MbMRS__BK91
     P21Ddk2 2C2023 01 23nr?\m%e7y*qb?nl,?i'09?]UFi.,(QT!JjH*l4uElb7aTwZwXj6QK91
     P21Ddk2 2C2023 01 23'FxJT^S_l.d]Vn)DC)5ESvS*0PbTA:[gl`u*m[vUy31Gq0jTL%yZK91
     P21Ddk2 3C2023 01 24VRdf\'A#uVDgp@qcUGT5*!,:E`fJ9FZEe!'lB+gRO.IIYf$+2o5gT14
     P21Ddk2 3C2023 01 24!)2;o7.pqS5r5'ntH!#0JMi6QIu?d+tmjc/R3,HSA)!o+r;E^qQaT14
     P21Ddk2 3C2023 01 24loZWTU$ryA'QTb7Vo29p'xMmSyQJPmqyM(T(,[Nb3\$$9s7,C+prT14
     P21Ddk2 KC2023 01 25.43764 09 26 23.03 +11 29 26.3    ~1PCM       VNEOCP691
     P21Ddk2 KC2023 01 25.44491 09 26 22.79 +11 29 28.0    ~1PCM       VNEOCP691
     P21Ddk2 KC2023 01 25.45218 09 26 22.53 +11 29 29.7    ~1PCM       VNEOCP691
     P21Ddk2 2C2023 01 26xJrPNCyVp'0S4jhRUxVZ7)qDMiOCbMG4WPjTOF%W02Eclick!a-VK93
     P21Ddk2 2C2023 01 27_6Q!auN*$Ll+sZ=IKqSKv0\bU7cxsUpc,rJ'T_L!E5b#`YVf0@HrK93
     P21Ddk2 2C2023 01 27u9[k7.G.q-ZuiZ*N-_sat[d5ou!%;#Q7g\Su];mkuBZ0Lbq1\X,qK93
     P21Ddk2 2C2023 01 27Bu@qvE3SwJo`9Dr`im)#WUeNA!,'s)mR93+j7T.RV!PNb?vkBS-(K93
     P21Ddk2 KC2023 01 30Ach6hereq$)L0v9ofQIN)ZPYblR^]Nl7[N3x54hnn$:-N[^QcA19A77
     P21Ddk2 KC2023 01 30Tt+,2BZ$ZpRmnI\)kP!_/;l]P+4:L-'tmg,5eIrqp@@S#1)XJ8t=A77
     P21Ddk2 IC2023 01 30O$HNL/l?QR.SqX%iNy/[#ue[EW/ahd%,mw2C+SOn`GLe6Tey6BtUL01
     P21Ddk2 pC2023 01 31WtfA6M/U,o)(Xg2V[L#al91l,Sg;d;'++Un:;dyFu%3a[o38VY+LL01
     P21Ddk2 KC2023 01 31jx2w?MbZUGed%v$Lq^_2?.F2?Y=EJ;XGZ_cnn14XMn8-jpYTrNN[L01
     P21Ddk2 KC2023 01 31N`T.#yXs1YSqCeT6x[*6ht,!6aM?5bmOURp3K'GYRj[DKp%U,G)lL01
     P21Ddk2 KC2023 01 31tSO9Bl`q.$$)for)`Pl@Q0w1fx;Yexplanation5f*(cvh4*^lcB587
     P21Ddk2 KC2023 01 31v#rlomDZe:c2'a':ZFDCBf2LK$imF?GfEvREjo1q08eL.FrRC:sU587
     P21Ddk2 KC2023 02 02.35936 09 22 00.87 +11 58 32.1    ~22A7 20.3 RoNEOCP291
     P21Ddk2 KC2023 02 02.37669 09 22 00.28 +11 58 36.2    ~22A7 20.1 RoNEOCP291
     P21Ddk2 KC2023 02 02.39402 09 21 59.67 +11 58 40.1    ~22A7 19.9 RoNEOCP291

Station data:
(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.
(587) Sormano  (N45.882946 E9.229180)  Italy.  Observers E. Colzani, E. Valli.
    Measurer P. Sicoli. 0.5-m f/6.8 reflector + CCD.
(691) Steward Observatory, Kitt Peak - Spacewatch  (N31.962174 W111.600327)
   US/Arizona.  Observer J. V. Scotti. 0.9-m f/3 reflector + CCD.
(A77) Observatoire Chante-Perdrix, Dauban  (N43.999790 E5.646930)  France.
   Observers F. Kugel, J.-G. Bosch. 0.4-m f/2.8 reflector + CCD0.2-m f/5.7
   reflector + CCD0.2-m f/5.6 reflector + 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.
(K91) Sutherland-LCO A  (S32.380540 E20.810190)  South Africa.  Observers T.
   Lister, S. Greenstreet, E. Gomez. Measurer T. Lister. 1.0-m f/8
   Ritchey-Chrétien + CCD.
(K93) Sutherland-LCOGT C  (S32.380667 E20.810110)  South Africa.  Observer R.
   Miles. 1.0-m f/8.0 Ritchey-Chrétien + CCD.
(L01) Višnjan Observatory, Tičan  (N45.290897 E13.749300)  Croatia.
   Observers K. Korlević, D. Pujagic, V. Dobos. Measurers D. Pujagic, K.
   Korlević. 1.0-m f/2.9 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:  P21Ddk2
   Perihelion 2021 Jan 12.45409 +/- 176 TT = 10:53:53 (JD 2459226.95409)
Epoch 2023 Feb  2.0 TT = JDT 2459977.5   Ju: 0.4349              AutoNEOCP
M  73.92463655 +/- 21               (J2000 ecliptic)
n   0.09849448 +/- 0.00604          Peri.  251.57013 +/- 15
a   4.64367083 +/- 0.193            Node   154.50901 +/- 0.9
e   0.1533475 +/- 0.0541            Incl.    8.86064 +/- 0.54
P  10.01                   H 14.57  G  0.15   U  9.4
q 3.93157525 +/- 0.0924    Q 5.35576640 +/- 0.477
From 29 observations 2023 Jan. 23-Feb. 2; mean residual 0".34
Residuals in arcseconds: 
230123 F52  .23-  .05+    230124 T14  .04+  .01+    230130 L01  1.2-  .05+    
230123 F52  .17-  .09+    230125 691  .03-  .29-    230131 L01  .48-  .54-    
230123 F52  .20-  .06+    230125 691  .05-  .12-    230131 L01  .26+  .71-    
230123 F52  .45-  .05+    230125 691  .37-  .05+    230131 L01  .06+  .00     
230123 K91  .39-  .03+    230126 K93  .43+  .28-    230131 587  .30+  .25-    
230123 K91  .40-  .08+    230127 K93  .06+  .15+    230131 587  .27+  .27-    
230123 K91  .55-  .04+    230127 K93  .34-  .11-    230202 291  .03-  .11-    
230123 K91  .26-  .11-    230127 K93  .15-  .28-    230202 291  .15+  .06+    
230124 T14  .03+  .01-    230130 A77  .09-  1.4+    230202 291  .04+  .04+    
230124 T14  .05+  .00     230130 A77  .02+  .62+    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2023 02 07 13  09 19 04.258   +12 18 24.42  3.5742 4.5593 176.8 20.8 2.16  86
2023 02 07 14  09 19 02.834   +12 18 34.08  3.5743 4.5593 176.8 20.8 2.19  86
2023 02 07 15  09 19 01.411   +12 18 43.75  3.5743 4.5594 176.8 20.8 2.22  86
2023 02 07 16  09 18 59.987   +12 18 53.41  3.5744 4.5594 176.8 20.8 2.25  86
2023 02 07 17  09 18 58.564   +12 19 03.08  3.5744 4.5595 176.8 20.8 2.27  86
2023 02 07 18  09 18 57.141   +12 19 12.75  3.5745 4.5595 176.8 20.8 2.30  86
2023 02 07 19  09 18 55.717   +12 19 22.42  3.5745 4.5596 176.8 20.8 2.33  86
2023 02 07 20  09 18 54.294   +12 19 32.09  3.5745 4.5596 176.8 20.8 2.36  86
2023 02 07 21  09 18 52.871   +12 19 41.76  3.5746 4.5597 176.8 20.8 2.39  86
2023 02 07 22  09 18 51.448   +12 19 51.43  3.5746 4.5597 176.8 20.8 2.42  86
2023 02 07 23  09 18 50.025   +12 20 01.11  3.5747 4.5598 176.8 20.8 2.45  87
2023 02 08 00  09 18 48.602   +12 20 10.78  3.5747 4.5598 176.8 20.8 2.48  87
2023 02 08 01  09 18 47.179   +12 20 20.46  3.5748 4.5599 176.8 20.8 2.51  87
2023 02 08 02  09 18 45.756   +12 20 30.13  3.5748 4.5599 176.8 20.8 2.55  87
2023 02 08 03  09 18 44.333   +12 20 39.81  3.5749 4.5600 176.8 20.8 2.58  87
2023 02 08 04  09 18 42.910   +12 20 49.48  3.5749 4.5600 176.8 20.8 2.61  87
2023 02 08 05  09 18 41.487   +12 20 59.16  3.5750 4.5601 176.8 20.8 2.64  87
2023 02 08 06  09 18 40.064   +12 21 08.84  3.5750 4.5601 176.8 20.8 2.67  87
2023 02 08 07  09 18 38.642   +12 21 18.52  3.5751 4.5602 176.8 20.8 2.70  87
2023 02 08 08  09 18 37.219   +12 21 28.20  3.5751 4.5602 176.8 20.8 2.74  87
2023 02 08 09  09 18 35.796   +12 21 37.88  3.5752 4.5603 176.7 20.8 2.77  88
2023 02 08 10  09 18 34.374   +12 21 47.56  3.5752 4.5603 176.7 20.8 2.80  88
2023 02 08 11  09 18 32.952   +12 21 57.24  3.5753 4.5604 176.7 20.8 2.84  88
2023 02 08 12  09 18 31.529   +12 22 06.93  3.5754 4.5605 176.7 20.8 2.87  88
2023 02 08 13  09 18 30.107   +12 22 16.61  3.5754 4.5605 176.7 20.8 2.90  88
2023 02 08 14  09 18 28.685   +12 22 26.29  3.5755 4.5606 176.7 20.8 2.94  88
2023 02 08 15  09 18 27.263   +12 22 35.98  3.5755 4.5606 176.7 20.8 2.97  88
2023 02 08 16  09 18 25.841   +12 22 45.66  3.5756 4.5607 176.6 20.8 3.01  88
2023 02 08 17  09 18 24.419   +12 22 55.35  3.5756 4.5607 176.6 20.8 3.04  88
2023 02 08 18  09 18 22.997   +12 23 05.04  3.5757 4.5608 176.6 20.8 3.07  88
2023 02 08 19  09 18 21.575   +12 23 14.72  3.5757 4.5608 176.6 20.8 3.11  88
2023 02 08 20  09 18 20.154   +12 23 24.41  3.5758 4.5609 176.6 20.8 3.15  89
2023 02 08 21  09 18 18.732   +12 23 34.10  3.5759 4.5609 176.6 20.8 3.18  89
2023 02 08 22  09 18 17.310   +12 23 43.79  3.5759 4.5610 176.5 20.8 3.22  89
2023 02 08 23  09 18 15.889   +12 23 53.48  3.5760 4.5610 176.5 20.8 3.25  89
2023 02 09 00  09 18 14.468   +12 24 03.17  3.5760 4.5611 176.5 20.8 3.29  89
2023 02 09 01  09 18 13.047   +12 24 12.86  3.5761 4.5611 176.5 20.8 3.33  89
2023 02 09 02  09 18 11.626   +12 24 22.55  3.5762 4.5612 176.5 20.8 3.36  89
2023 02 09 03  09 18 10.205   +12 24 32.24  3.5762 4.5612 176.4 20.8 3.40  89
2023 02 09 04  09 18 08.784   +12 24 41.94  3.5763 4.5613 176.4 20.8 3.44  89
2023 02 09 05  09 18 07.363   +12 24 51.63  3.5764 4.5613 176.4 20.8 3.48  89
2023 02 09 06  09 18 05.942   +12 25 01.32  3.5764 4.5614 176.4 20.8 3.52  89
2023 02 09 07  09 18 04.522   +12 25 11.02  3.5765 4.5614 176.3 20.8 3.55  89
2023 02 09 08  09 18 03.101   +12 25 20.71  3.5766 4.5615 176.3 20.8 3.59  90
2023 02 09 09  09 18 01.681   +12 25 30.40  3.5766 4.5615 176.3 20.8 3.63  90
2023 02 09 10  09 18 00.261   +12 25 40.10  3.5767 4.5616 176.3 20.8 3.67  90
2023 02 09 11  09 17 58.841   +12 25 49.80  3.5768 4.5616 176.2 20.8 3.71  90
2023 02 09 12  09 17 57.421   +12 25 59.49  3.5768 4.5617 176.2 20.8 3.75  90