[Iaude] MPEC X129: 2020 XU3 [a=2.40,e=0.66,i=5.7,H=22.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 12 08:59:25 EST 2020


M.P.E.C. 2020-X129                            Issued 2020 December 12, 13:58 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 XU3                                    


Observations:
     K20X03U  C2020 12 08.35739003 55 39.541+00 49 05.16         23.04GVEX129F51
     K20X03U  C2020 12 08.36859103 55 37.914+00 48 52.08         22.55GVEX129F51
     K20X03U  C2020 12 08.37981503 55 36.288+00 48 39.14         21.79GVEX129F51
     K20X03U  C2020 12 08.39107503 55 34.666+00 48 26.34         21.92GVEX129F51
     K20X03U* C2020 12 10.33143603 51 04.793+00 10 54.13         21.79wUEX129F51
     K20X03U  C2020 12 10.34340603 51 02.998+00 10 40.39         21.72wUEX129F51
     K20X03U  C2020 12 10.35538003 51 01.211+00 10 26.52         21.84wUEX129F51
     K20X03U |C2020 12 11.14804 03 49 07.45 -00 04 36.4          21.4 VuEX129807
     K20X03U |C2020 12 11.15628 03 49 06.22 -00 04 46.1          21.5 VuEX129807
     K20X03U KC2020 12 11.16366503 49 05.42 -00 05 20.1          21.9 VuEX129H21
     K20X03U |C2020 12 11.16451 03 49 04.91 -00 04 55.2          21.5 VuEX129807
     K20X03U KC2020 12 11.17542803 49 03.61 -00 05 33.5          21.6 VuEX129H21
     K20X03U KC2020 12 12.35874 03 46 10.13 -00 28 27.3                oEX129691
     K20X03U KC2020 12 12.38078 03 46 06.73 -00 28 53.0                oEX129691

Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch.  Observer M. T. Read.  0.9-m
    f/3 reflector + 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, K. Chambers, T. Lowe, A.
    Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
    Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau, J. Fairlamb, H.
    Flewelling, C.-C. Lin, E. Magnier.  1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  1.3-m f/4.0
    astrograph + CCD.

Orbital elements:
2020 XU3                                                 Earth MOID = 0.0762 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M 341.71897              (2000.0)            P               Q
n   0.26578209     Peri.    0.86513     -0.94547842     -0.32395879
a   2.3958093      Node   160.13219     +0.29821504     -0.90247250
e   0.6569406      Incl.    5.65449     +0.13091352     -0.28389099
P   3.71           H   22.4           G   0.15           U   7
Residuals in seconds of arc
201208 F51  0.0   0.0     201210 F51  0.1-  0.0     201211 807  0.0   0.2+
201208 F51  0.1-  0.1-    201210 F51  0.2+  0.1+    201211 H21  0.3-  0.1+
201208 F51  0.1-  0.1-    201211 807  0.5+  0.1-    201212 691  0.0   0.2+
201208 F51  0.1+  0.2+    201211 807  0.8+  0.2-    201212 691  0.4-  0.1+
201210 F51  0.2-  0.1-    201211 H21  0.1+  0.2-

Ephemeris:
2020 XU3                 a,e,i = 2.40, 0.66, 6                   q = 0.8219
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 12    04 35 48.0 +08 14 24   0.6573  1.6153   156.9    13.9    23.3
...
2020 11 27    04 17 57.9 +04 20 08   0.5000  1.4725   163.2    11.2    22.4
...
2020 12 05    04 03 00.0 +01 53 31   0.4340  1.3952   157.0    16.0    22.2
...
2020 12 11    03 49 29.0 -00 01 54   0.3922  1.3371   149.4    22.0    22.1
2020 12 12    03 47 03.8 -00 21 17   0.3858  1.3275   147.9    23.2    22.0
2020 12 13    03 44 36.1 -00 40 39   0.3796  1.3178   146.5    24.3    22.0
...
2020 12 19    03 29 04.5 -02 35 28   0.3455  1.2599   137.3    32.0    21.9
...
2020 12 27    03 06 54.8 -05 00 44   0.3067  1.1837   124.3    43.3    21.9
...
2021 01 11    02 21 17.3 -09 07 56   0.2443  1.0474    98.4    68.2    21.8

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X129




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