"Pseudo-MPEC" for P21XSix

Created 2024 Sep 5 16:22:26 UT using Find_Orb

Click here for an explanation of pseudo-MPECs

 
 Astrometry: 
     P21XSix 5C2004 05 25.37186915 08 50.10 -19 38 41.3    ~953Mx      WNEOCPT14
     P21XSix &C2013 05 07.32341517 37 25.11 -29 36 13.9    ~953M       WNEOCPW84
     P21XSix &C2013 05 07.32462817 37 25.11 -29 36 13.9    ~953M       WNEOCPW84
     P21XSix &C2013 05 07.32582317 37 25.09 -29 36 13.9    ~953M       WNEOCPW84
     P21XSix &C2013 05 07.32702617 37 25.07 -29 36 13.9    ~953M       WNEOCPW84
     P21XSix  C2020 06 15.53140 20 31 04.710-28 06 12.84   ~952M 21.6 wUNEOCPF51
     P21XSix  C2020 06 15.55205 20 31 04.533-28 06 13.82   ~952M 21.9 wUNEOCPF51
     P21XSix  C2020 06 15.56239 20 31 04.410-28 06 14.61   ~952M 21.8 wUNEOCPF51
     P21XSix  C2021 06 13.56337 21 02 59.488-26 09 23.21   ~952M 21.3 wUNEOCPF51
     P21XSix  C2021 06 13.57443 21 02 59.395-26 09 23.98   ~952M 21.3 wUNEOCPF51
     P21XSix  C2021 06 13.58500 21 02 59.343-26 09 24.50   ~952M 21.5 wUNEOCPF51
     P21XSix* C2024 09 03.38169022 31 37.473-18 16 31.31   ~93G7 21.09wXNEOCPF52
     P21XSix  C2024 09 03.39353122 31 37.283-18 16 32.01   ~93G7 20.82wXNEOCPF52
     P21XSix  C2024 09 03.40536822 31 37.135-18 16 32.66   ~93G7 20.81wXNEOCPF52
     P21XSix  C2024 09 03.41721622 31 36.948-18 16 33.65   ~93G7 20.74wXNEOCPF52
     P21XSix 1C2024 09 04.25099222 31 25.36 -18 17 27.4    ~950M 20.1 GVNEOCPW87
     P21XSix 1C2024 09 04.25413222 31 25.31 -18 17 27.7    ~950M 20.1 GVNEOCPW87
     P21XSix 1C2024 09 04.25747922 31 25.27 -18 17 27.8    ~950M 20.2 GVNEOCPW87
     P21XSix 1C2024 09 04.26064622 31 25.22 -18 17 28.1    ~950M 20.1 GVNEOCPW87

Station data:
(F51) Pan-STARRS 1, Haleakala  (N20.707234 W156.255910)  US/Hawaii.
   Observers J. Bulger, 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.
(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.  Observer S. Deen. 3.6-m Canada-France-Hawaii Telescope.
(W84) Cerro Tololo-DECam  (S30.169594 W70.806420)  Chile.  Observer S. Deen.
   4.0-m reflector + CCD.
(W87) Cerro Tololo-LCO C  (S30.167454 W70.804680)  Chile.  Observer J. D.
   Armstrong. Measurer T. Lister. 1.0-m f/8.0 Ritchey-Chrétien + CCD.

Orbital elements:  P21XSix
   Perihelion 2029 Dec 23.18664 +/- 0.376 TT =  4:28:45 (JD 2462493.68664)
Epoch 2024 Sep  4.0 TT = JDT 2460557.5                           AutoNEOCP
M 331.52845610 +/- 0.011            (J2000 ecliptic)
n   0.01470495 +/- 2.88e-6          Peri.  349.61944 +/- 0.015
a  16.5003636 +/- 0.00215           Node    38.36598 +/- 0.00036
e   0.3247895 +/- 2.56e-5           Incl.    8.49508 +/- 0.000020
P  67.02553                H  9.68  G  0.15   U  4.3
q 11.1412184 +/- 0.00103    Q 21.8595089 +/- 0.00328
18 of 19 observations 2013 May 7-2024 Sept. 4; mean residual 0".13
Residuals in arcseconds: 
040525 T14( 1.2+  .39-)   200615 F51  .20-  .03-    240903 F52  .12-  .11-    
130507 W84  .05-  .27-    210613 F51  .08+  .10+    240904 W87  .08+  .00     
130507 W84  .09+  .25-    210613 F51  .17-  .03-    240904 W87  .00   .10-    
130507 W84  .03-  .24-    210613 F51  .09+  .06+    240904 W87  .10+  .02+    
130507 W84  .15-  .22-    240903 F52  .16+  .12-    240904 W87  .03+  .08-    
200615 F51  .02-  .02-    240903 F52  .14-  .03-    
200615 F51  .16+  .17+    240903 F52  .15+  .10+    

Ephemerides (geocentric):
Date (UTC) HH   RA             Dec           delta  r     elong  mag " sig PA
---- --------  ------------   ------------  ------ ------ -----  --- --------
2024 09 05 16  22 31 05.771   -18 18 58.38  11.445 12.428 166.5 20.6 .014  53
2024 09 05 17  22 31 05.196   -18 19 01.02  11.445 12.428 166.5 20.6 .014  53
2024 09 05 18  22 31 04.620   -18 19 03.66  11.445 12.428 166.5 20.6 .014  54
2024 09 05 19  22 31 04.045   -18 19 06.29  11.446 12.428 166.4 20.6 .015  54
2024 09 05 20  22 31 03.469   -18 19 08.93  11.446 12.428 166.4 20.6 .015  55
2024 09 05 21  22 31 02.894   -18 19 11.56  11.446 12.428 166.4 20.6 .016  55
2024 09 05 22  22 31 02.319   -18 19 14.18  11.446 12.428 166.3 20.6 .016  55
2024 09 05 23  22 31 01.743   -18 19 16.81  11.446 12.428 166.3 20.6 .016  56
2024 09 06 00  22 31 01.168   -18 19 19.44  11.446 12.428 166.3 20.6 .017  56
2024 09 06 01  22 31 00.593   -18 19 22.06  11.446 12.428 166.2 20.6 .017  57
2024 09 06 02  22 31 00.018   -18 19 24.68  11.446 12.427 166.2 20.6 .018  57
2024 09 06 03  22 30 59.444   -18 19 27.30  11.446 12.427 166.2 20.6 .018  57
2024 09 06 04  22 30 58.869   -18 19 29.91  11.446 12.427 166.1 20.6 .019  58
2024 09 06 05  22 30 58.294   -18 19 32.53  11.446 12.427 166.1 20.6 .019  58
2024 09 06 06  22 30 57.720   -18 19 35.14  11.447 12.427 166.1 20.6 .019  58
2024 09 06 07  22 30 57.145   -18 19 37.75  11.447 12.427 166.0 20.6 .020  58
2024 09 06 08  22 30 56.571   -18 19 40.36  11.447 12.427 166.0 20.6 .020  59
2024 09 06 09  22 30 55.996   -18 19 42.96  11.447 12.427 166.0 20.6 .021  59
2024 09 06 10  22 30 55.422   -18 19 45.57  11.447 12.427 165.9 20.6 .021  59
2024 09 06 11  22 30 54.848   -18 19 48.17  11.447 12.427 165.9 20.6 .021  59
2024 09 06 12  22 30 54.274   -18 19 50.77  11.447 12.427 165.9 20.6 .022  60
2024 09 06 13  22 30 53.700   -18 19 53.37  11.447 12.427 165.8 20.6 .022  60
2024 09 06 14  22 30 53.126   -18 19 55.96  11.447 12.427 165.8 20.6 .023  60
2024 09 06 15  22 30 52.553   -18 19 58.56  11.447 12.427 165.8 20.6 .023  60
2024 09 06 16  22 30 51.979   -18 20 01.15  11.448 12.427 165.7 20.6 .024  61
2024 09 06 17  22 30 51.405   -18 20 03.74  11.448 12.427 165.7 20.6 .024  61
2024 09 06 18  22 30 50.832   -18 20 06.32  11.448 12.427 165.7 20.6 .024  61
2024 09 06 19  22 30 50.258   -18 20 08.91  11.448 12.427 165.6 20.6 .025  61
2024 09 06 20  22 30 49.685   -18 20 11.49  11.448 12.427 165.6 20.6 .025  61
2024 09 06 21  22 30 49.112   -18 20 14.08  11.448 12.427 165.6 20.6 .026  61
2024 09 06 22  22 30 48.539   -18 20 16.65  11.448 12.426 165.5 20.6 .026  62
2024 09 06 23  22 30 47.966   -18 20 19.23  11.448 12.426 165.5 20.6 .027  62
2024 09 07 00  22 30 47.393   -18 20 21.81  11.448 12.426 165.4 20.6 .027  62
2024 09 07 01  22 30 46.820   -18 20 24.38  11.448 12.426 165.4 20.6 .027  62
2024 09 07 02  22 30 46.247   -18 20 26.95  11.449 12.426 165.4 20.6 .028  62
2024 09 07 03  22 30 45.675   -18 20 29.52  11.449 12.426 165.3 20.6 .028  62
2024 09 07 04  22 30 45.102   -18 20 32.09  11.449 12.426 165.3 20.6 .029  62
2024 09 07 05  22 30 44.530   -18 20 34.65  11.449 12.426 165.3 20.6 .029  63
2024 09 07 06  22 30 43.958   -18 20 37.21  11.449 12.426 165.2 20.6 .030  63
2024 09 07 07  22 30 43.385   -18 20 39.78  11.449 12.426 165.2 20.6 .030  63
2024 09 07 08  22 30 42.813   -18 20 42.33  11.449 12.426 165.2 20.6 .030  63
2024 09 07 09  22 30 42.241   -18 20 44.89  11.449 12.426 165.1 20.6 .031  63
2024 09 07 10  22 30 41.669   -18 20 47.44  11.449 12.426 165.1 20.6 .031  63
2024 09 07 11  22 30 41.097   -18 20 50.00  11.450 12.426 165.1 20.6 .032  63
2024 09 07 12  22 30 40.526   -18 20 52.55  11.450 12.426 165.0 20.6 .032  63
2024 09 07 13  22 30 39.954   -18 20 55.09  11.450 12.426 165.0 20.6 .033  63
2024 09 07 14  22 30 39.383   -18 20 57.64  11.450 12.426 165.0 20.6 .033  64
2024 09 07 15  22 30 38.811   -18 21 00.18  11.450 12.426 164.9 20.6 .033  64