"Pseudo-MPEC" for P21Ddk2

Created 2023 Feb 4 0:22:11 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     P21Ddk2* C2023 01 23\[\.kC8Cq'3^@;J0FCtXHVk[+lIUp_7,G()`%Al8a.brT+Ff-Wh@F52
     P21Ddk2  C2023 01 23=Dff6%7BMsLgR.E?JS'vagB'ty9=sVa`v;P!,s(Yyo2%XWD\dXKmF52
     P21Ddk2  C2023 01 23T,ASE^'!AQ;qSD5[C_m#=$!Sh'1mN?pMETT!.uRJl_L7u-4ZU7QYF52
     P21Ddk2  C2023 01 239*tooI4I?;oMop\j`7bf(]sq(THbG,dA!3ji]c+,kTV'yXgj@SrWF52
     P21Ddk2 2C2023 01 234NcBvKi(ie]VU'msfyd@/Esh2cb?[@yJnblEg6'0!?g0FZ]24!,CK91
     P21Ddk2 2C2023 01 23Fe2iN+KH+upGA;5WwE2fwb!ZN5\Z2\`RoPTU(_Pxaqnv)ku;-b8IK91
     P21Ddk2 2C2023 01 23cMwRc1dErpnPIWXbaW#XKS;pOWWkI.PW`9h$9:u-K0M^M4;*G@^bK91
     P21Ddk2 2C2023 01 23j3sG$w'fM^Lg*AYg7+ReiAstrometryYS^cXGcHZ6I83P$a4*N:5K91
     P21Ddk2 3C2023 01 24.5nOMS'lv`Eredacted;4JFFKcH`SqxgGW(5;0*P?ymF,Ol]58q9T14
     P21Ddk2 3C2023 01 248reU@K.8#O94WOPg3Z_,YSS@\EWK7NeOF**A/mYfBr!!Qg4eMAyZT14
     P21Ddk2 3C2023 01 24N?Mvge$,n%jSFSFY@hQuB-0Ak7bjKjcg_.]oQw_*Cm*V3sab;nh%T14
     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 2663R$ACA.;'qxyf)v%4srO_k6Ga_ifuW]'5$JVg?7^=6$clickGf)K93
     P21Ddk2 2C2023 01 2759V-B;y3=`r`m=ctRBy//rFGj7Kk#.=d3_ZfrwLj]S7Upf-8?!7=K93
     P21Ddk2 2C2023 01 27H'TsrW\RNF@h,`W3+;@vJ6bW)[N*Mk-.yZ'03_cSMC:g!MrpmI@]K93
     P21Ddk2 2C2023 01 27ewfG%KtJX(IlcZ/Q?r*FoD3pK`@c`N8Bu=GIBYRkLoK[FD-here+K93
     P21Ddk2 KC2023 01 30D)2MUrms5.OcFL_=sb_Sn+Yd0ndU!oSWye^T7R'L`16`]O#07==,A77
     P21Ddk2 KC2023 01 30HvJXj4gE^A#],akxmLJ-]`mtiK+'hHgjy7i%j5celK-kI!rt./4VA77
     P21Ddk2 IC2023 01 30*X'i_Ikmj=o4B9I`$o`P,S#$'fgpBKN#:3`9sP0Bd,\glfor:\SDL01
     P21Ddk2 pC2023 01 31__R=Y(*O$V#[Jja0]4aG1%TGm;)S`hl8_/qAn!FJ$[tIw_,1Tv%bL01
     P21Ddk2 KC2023 01 31CLb_Vpyxbk]r%@=%jv`E]#+IW9E]!C/d\?Z[v!HBh`+X6FQ[).@RL01
     P21Ddk2 KC2023 01 31fZRI5u2yWR3lJ0rKX:,GTkYj70%AsFM_Z%botI1\WPF)VYxZRa9wL01
     P21Ddk2 KC2023 01 31y$twG66'x`[r/GSE$]l.9%,/_8qR5p0lDaHEw9LuybH./!S3^yuR587
     P21Ddk2 KC2023 01 31X[a=tXJcNZ/explanationLB2r?Kx;J`c2oe)?XTw:oht?Q#y;)u587
     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 04 00  09 21 05.157   +12 04 47.40  3.5726 4.5549 174.6 20.8 .525  69
2023 02 04 01  09 21 03.738   +12 04 56.95  3.5726 4.5549 174.7 20.8 .536  69
2023 02 04 02  09 21 02.319   +12 05 06.49  3.5726 4.5550 174.7 20.8 .548  70
2023 02 04 03  09 21 00.900   +12 05 16.05  3.5726 4.5550 174.7 20.8 .560  70
2023 02 04 04  09 20 59.481   +12 05 25.60  3.5726 4.5551 174.8 20.8 .572  70
2023 02 04 05  09 20 58.062   +12 05 35.15  3.5726 4.5551 174.8 20.8 .584  71
2023 02 04 06  09 20 56.642   +12 05 44.71  3.5726 4.5552 174.8 20.8 .597  71
2023 02 04 07  09 20 55.222   +12 05 54.27  3.5726 4.5552 174.9 20.8 .609  71
2023 02 04 08  09 20 53.803   +12 06 03.83  3.5726 4.5553 174.9 20.8 .622  71
2023 02 04 09  09 20 52.383   +12 06 13.39  3.5726 4.5553 175.0 20.8 .635  72
2023 02 04 10  09 20 50.963   +12 06 22.95  3.5726 4.5554 175.0 20.8 .648  72
2023 02 04 11  09 20 49.542   +12 06 32.52  3.5726 4.5554 175.0 20.8 .661  72
2023 02 04 12  09 20 48.122   +12 06 42.08  3.5726 4.5555 175.1 20.8 .675  73
2023 02 04 13  09 20 46.702   +12 06 51.65  3.5726 4.5556 175.1 20.8 .688  73
2023 02 04 14  09 20 45.281   +12 07 01.22  3.5726 4.5556 175.1 20.8 .702  73
2023 02 04 15  09 20 43.861   +12 07 10.80  3.5726 4.5557 175.2 20.8 .716  73
2023 02 04 16  09 20 42.440   +12 07 20.37  3.5726 4.5557 175.2 20.8 .730  74
2023 02 04 17  09 20 41.019   +12 07 29.95  3.5726 4.5558 175.3 20.8 .744  74
2023 02 04 18  09 20 39.598   +12 07 39.52  3.5726 4.5558 175.3 20.8 .758  74
2023 02 04 19  09 20 38.177   +12 07 49.10  3.5727 4.5559 175.3 20.8 .773  74
2023 02 04 20  09 20 36.756   +12 07 58.68  3.5727 4.5559 175.4 20.8 .788  75
2023 02 04 21  09 20 35.335   +12 08 08.26  3.5727 4.5560 175.4 20.8 .803  75
2023 02 04 22  09 20 33.913   +12 08 17.85  3.5727 4.5560 175.4 20.8 .818  75
2023 02 04 23  09 20 32.492   +12 08 27.43  3.5727 4.5561 175.5 20.8 .833  75
2023 02 05 00  09 20 31.070   +12 08 37.02  3.5727 4.5561 175.5 20.8 .848  76
2023 02 05 01  09 20 29.649   +12 08 46.61  3.5727 4.5562 175.5 20.8 .864  76
2023 02 05 02  09 20 28.227   +12 08 56.20  3.5727 4.5562 175.6 20.8 .880  76
2023 02 05 03  09 20 26.805   +12 09 05.79  3.5727 4.5563 175.6 20.8 .896  76
2023 02 05 04  09 20 25.383   +12 09 15.38  3.5727 4.5563 175.6 20.8 .912  77
2023 02 05 05  09 20 23.961   +12 09 24.98  3.5727 4.5564 175.7 20.8 .928  77
2023 02 05 06  09 20 22.539   +12 09 34.57  3.5728 4.5564 175.7 20.8 .945  77
2023 02 05 07  09 20 21.117   +12 09 44.17  3.5728 4.5565 175.7 20.8 .962  77
2023 02 05 08  09 20 19.695   +12 09 53.77  3.5728 4.5565 175.8 20.8 .978  77
2023 02 05 09  09 20 18.273   +12 10 03.37  3.5728 4.5566 175.8 20.8 1.00  78
2023 02 05 10  09 20 16.850   +12 10 12.97  3.5728 4.5566 175.8 20.8 1.01  78
2023 02 05 11  09 20 15.428   +12 10 22.58  3.5728 4.5567 175.9 20.8 1.03  78
2023 02 05 12  09 20 14.005   +12 10 32.18  3.5728 4.5567 175.9 20.8 1.05  78
2023 02 05 13  09 20 12.583   +12 10 41.79  3.5728 4.5568 175.9 20.8 1.07  78
2023 02 05 14  09 20 11.160   +12 10 51.40  3.5729 4.5568 176.0 20.8 1.08  79
2023 02 05 15  09 20 09.737   +12 11 01.01  3.5729 4.5569 176.0 20.8 1.10  79
2023 02 05 16  09 20 08.315   +12 11 10.62  3.5729 4.5569 176.0 20.8 1.12  79
2023 02 05 17  09 20 06.892   +12 11 20.23  3.5729 4.5570 176.0 20.8 1.14  79
2023 02 05 18  09 20 05.469   +12 11 29.84  3.5729 4.5570 176.1 20.8 1.16  79
2023 02 05 19  09 20 04.046   +12 11 39.46  3.5730 4.5571 176.1 20.8 1.18  80
2023 02 05 20  09 20 02.623   +12 11 49.08  3.5730 4.5572 176.1 20.8 1.20  80
2023 02 05 21  09 20 01.200   +12 11 58.69  3.5730 4.5572 176.2 20.8 1.22  80
2023 02 05 22  09 19 59.777   +12 12 08.31  3.5730 4.5573 176.2 20.8 1.23  80
2023 02 05 23  09 19 58.354   +12 12 17.93  3.5730 4.5573 176.2 20.8 1.25  80