[Iaude] MPEC B07: 2021 PF10 [a=1.53,e=0.22,i=17.1,H=22.78]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Jan 16 09:17:49 EST 2024


M.P.E.C. 2024-B07                              Issued 2024 January 16, 14:16 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  They are published
    on behalf of Division F of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
                          Cambridge, MA 02138, U.S.A.
			  
             Prepared using the Tamkin Foundation Computer Network

                              MPC at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2021 PF10                                    


                           Revision to MPEC 2021-P169                           

Additional Observations:
     K21P10F ,C2023 12 06.24891 06 13 37.50 -24 21 26.9          22.8 GXEB007807
     K21P10F ,C2023 12 06.25734 06 13 36.81 -24 21 23.8          22.6 GXEB007807
     K21P10F ,C2023 12 06.26524 06 13 36.15 -24 21 20.7          22.2 GXEB007807
     K21P10F 0C2024 01 08.40368705 33 05.854-13 25 44.39         23.81GVEB007T12

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers H. Jeon, D. Kim, C. Lee,
    O. Vaduvescu, E. Unda-Sanzana, M. Popescu.  Measurers O. Vaduvescu, M.
    Predatu, M. Popescu, M. Stanescu, L. Curelaru.  1.6-m f/3.0 reflector +
    CCD.
T12 University of Hawaii 88-inch telescope, Maunakea.  Observer D. J. Tholen.
    2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
231206 807  2.5-  1.0-    240108 T12  2.0-  0.3-    E2023-QB4   -0.00 days

Orbital elements:
2021 PF10                                                Earth MOID = 0.2127 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M   8.55121              (2000.0)            P               Q                  
n   0.52041725     Peri.  209.52311     +0.98864895     -0.07527254             
a   1.5307406      Node   153.81478     +0.09316483     +0.98610894             
e   0.2151645      Incl.   17.13745     -0.11787102     +0.14806484             
P   1.89           H   22.78          G   0.15           U   2                  
Residuals in seconds of arc
210812 F51  0.0   0.0     210813 654  0.1-  0.0     210829 F51  0.0   0.1+
210812 F51  0.0   0.0     210813 654  0.1+  0.1-    210907 F52  0.0   0.2+
210812 F51  0.0   0.1+    210813 F51  0.0   0.0     210907 F52  0.1+  0.0
210813 L01  0.9+  0.9-    210813 F51  0.0   0.1+    210907 F52  0.0   0.0
210813 033  0.2+  0.0     210813 F51  0.1+  0.0     210911 F52  0.1-  0.1+
210813 L01  0.7+  0.6-    210814 F51  0.0   0.0     210911 F52  0.0   0.1-
210813 033  0.1-  0.1-    210814 F51  0.0   0.0     210911 F52  0.0   0.0
210813 L01  1.6+  1.2-    210814 F51  0.0   0.0     210911 F52  0.0   0.1-
210813 033  0.2-  0.1-    210814 F51  0.2+  0.0     231206 807  0.2-  0.2-
210813 L01  1.5+  0.8-    210826 691  0.4-  0.1-    231206 807  0.0   0.2-
210813 807  0.1-  0.0     210826 691  0.4-  0.4-    231206 807  0.0   0.0
210813 807  0.0   0.1-    210826 691  0.5+  0.4+    240108 T12  0.0   0.1-
210813 807  0.0   0.2-    210829 F51  0.1-  0.0
210813 654  0.0   0.2-    210829 F51  0.0   0.1-

Ephemeris:
2021 PF10                a,e,i = 1.53, 0.22, 17                  q = 1.2014
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 12 17    05 58 50.1 -22 22 18   0.5424  1.4156   134.0    30.0    23.5
...
2024 01 01    05 39 44.5 -16 54 49   0.5783  1.4614   137.2    27.2    23.6
...
2024 01 09    05 32 40.5 -13 07 59   0.6105  1.4859   136.3    27.2    23.8
...
2024 01 15    05 29 20.1 -10 06 40   0.6411  1.5041   134.5    27.8    23.9
2024 01 16    05 28 57.2 -09 36 04   0.6468  1.5072   134.1    27.9    24.0
2024 01 17    05 28 37.2 -09 05 26   0.6526  1.5102   133.7    28.1    24.0
...
2024 01 23    05 27 40.1 -06 02 33   0.6904  1.5283   130.9    29.1    24.2
...
2024 01 31    05 29 02.6 -02 06 52   0.7486  1.5520   126.5    30.7    24.4
...
2024 02 15    05 38 49.2 +04 28 06   0.8795  1.5953   117.3    33.4    24.9

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-B07





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