[Iaude] MPEC X123: 2020 XP3 [a=1.08,e=0.68,i=15.6,H=24.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 11 22:41:57 EST 2020


M.P.E.C. 2020-X123                            Issued 2020 December 12, 03:40 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  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

                                    2020 XP3                                    


Observations:
     K20X03P  C2020 12 07.35329404 36 05.373+01 53 59.29         20.56GVEX123F52
     K20X03P  C2020 12 07.36417704 35 54.491+01 53 34.52         20.74GVEX123F52
     K20X03P  C2020 12 07.37508004 35 43.425+01 53 09.72         19.91GVEX123F52
     K20X03P  C2020 12 07.38601304 35 32.374+01 52 44.51         20.82GVEX123F52
     K20X03P* C2020 12 10.33823103 27 05.081-00 46 25.25         20.43wUEX123F51
     K20X03P  C2020 12 10.35021903 26 41.552-00 47 17.61         20.42wUEX123F51
     K20X03P  C2020 12 10.36220403 26 17.938-00 48 10.34         20.40wUEX123F51
     K20X03P 2C2020 12 10.85456903 09 39.671-01 26 21.55         19.8 GVEX123J04
     K20X03P 2C2020 12 10.85723403 09 33.841-01 26 34.25         19.8 GVEX123J04
     K20X03P 2C2020 12 10.85980303 09 28.218-01 26 46.66         20.0 GVEX123J04
     K20X03P |C2020 12 11.10864 03 00 12.99 -01 45 06.0          20.1 VuEX123807
     K20X03P |C2020 12 11.11224 03 00 04.61 -01 45 23.8          19.9 VuEX123807
     K20X03P |C2020 12 11.11575 02 59 56.47 -01 45 41.3          20.0 VuEX123807
     K20X03P  C2020 12 11.28655202 53 24.486-02 02 15.87         19.95GVEX123F52
     K20X03P  C2020 12 11.29757102 52 57.812-02 03 13.65         19.70GVEX123F52
     K20X03P  C2020 12 11.29884502 52 54.730-02 03 20.39         19.54GVEX123F52
     K20X03P hC2020 12 11.72660202 35 23.81 -02 42 25.1          20.6 GVEX123L01
     K20X03P hC2020 12 11.72848502 35 18.88 -02 42 35.3          20.7 GVEX123L01
     K20X03P hC2020 12 11.72963102 35 15.90 -02 42 41.7          20.6 GVEX123L01
     K20X03P 1C2020 12 11.73313 02 35 06.52 -02 43 11.7          20.8 VVEX123033
     K20X03P 1C2020 12 11.73364 02 35 05.20 -02 43 15.1          21.4 VVEX123033
     K20X03P 1C2020 12 11.85720 02 29 39.65 -02 54 42.7          20.2 VVEX123033
     K20X03P 1C2020 12 11.85766 02 29 38.41 -02 54 45.2          20.2 VVEX123033
     K20X03P 1C2020 12 11.85812 02 29 37.19 -02 54 47.8          20.3 VVEX123033
     K20X03P 1C2020 12 11.85858 02 29 35.95 -02 54 50.2          20.8 VVEX123033

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hoegner, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/6.5 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala.  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-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers M.
    Micheli, D. Koschny, L. Conversi, R. Kresken, A. Knofel, M. Busch, E.
    Schwab.  1.0-m f/4.4 reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2020 XP3                                                 Earth MOID = 0.0046 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M 317.24763              (2000.0)            P               Q
n   0.88296814     Peri.  126.01878     -0.86047398     +0.43519833
a   1.0760671      Node    81.14101     -0.50925602     -0.75055687
e   0.6770236      Incl.   15.55283     +0.01558294     -0.49725929
P   1.12           H   24.7           G   0.15           U   9
Residuals in seconds of arc
201207 F52  0.5-  0.1-    201210 J04  0.4+  0.1+    201211 L01  0.3-  1.0+
201207 F52  0.6+  0.0     201211 807  0.1-  0.1-    201211 033  0.1+  0.4-
201207 F52  0.3-  0.2+    201211 807  0.4-  0.3+    201211 033  0.2+  0.9-
201207 F52  0.1+  0.1+    201211 807  0.2-  0.5+    201211 033  0.2+  0.3-
201210 F51  1.1-  0.2-    201211 F52  0.6+  0.1+    201211 033  0.1+  0.3-
201210 F51  0.2+  0.0     201211 F52  0.7-  0.3-    201211 033  0.2+  0.3-
201210 F51  1.1+  0.0     201211 F52  0.7-  0.4-    201211 033  0.0   0.1-
201210 J04  0.0   0.2-    201211 L01  0.3+  0.8+
201210 J04  0.2+  0.0     201211 L01  0.3-  1.1+

Ephemeris:
2020 XP3                 a,e,i = 1.08, 0.68, 16                  q = 0.3475
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 12    06 09 45.4 +07 00 18   0.4276  1.3262   134.8    32.0    24.8
...
2020 11 27    05 50 58.6 +05 06 56   0.2230  1.1869   151.1    23.7    22.9
...
2020 12 05    05 06 15.3 +03 06 10   0.1241  1.1029   160.1    17.7    21.3
...
2020 12 11    03 04 19.1 -01 37 04   0.06457 1.0351   140.2    37.5    20.3
2020 12 12    02 23 22.4 -03 06 01   0.05862 1.0234   130.2    47.2    20.4
2020 12 13    01 35 06.7 -04 42 03   0.05496 1.0116   118.2    59.1    20.5
...
2020 12 19    21 29 05.8 -08 28 15   0.08415 0.9380    54.9   120.9    24.1
...
2020 12 27    19 58 28.5 -07 54 15   0.1743  0.8327    27.5   147.0    28.4
...
2021 01 11    19 14 18.3 -09 15 18   0.3851  0.6146    13.1   158.7    32.1

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X123




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