• MPC Preparation (Info)

    • MPEC 2020-X110 : 2020 XA3

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    M.P.E.C. 2020-X110                            Issued 2020 December 11, 16:27 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                2020 XA3                                 


Observations:
     K20X03A* C2020 12 08.36468503 40 36.939+02 03 30.30         20.95wUEX110F51
     K20X03A  C2020 12 08.37590603 40 33.320+02 03 34.46         21.35wUEX110F51
     K20X03A  C2020 12 08.38716903 40 29.658+02 03 38.99         21.51wUEX110F51
     K20X03A |C2020 12 09.15092 03 36 32.05 +02 10 14.7          20.8 VuEX110807
     K20X03A |C2020 12 09.15229 03 36 31.58 +02 10 15.5          20.7 VuEX110807
     K20X03A KC2020 12 09.24248603 36 02.42 +02 09 36.8          20.65GVEX110I52
     K20X03A KC2020 12 09.25256403 35 58.74 +02 09 42.2          21.02GVEX110I52
     K20X03A KC2020 12 10.11969503 30 52.80 +02 17 20.5          20.6 VuEX110H21
     K20X03A KC2020 12 10.12406603 30 51.03 +02 17 22.9          20.9 VuEX110H21
     K20X03A KC2020 12 10.12892003 30 49.05 +02 17 25.7                uEX110H21
     K20X03A KC2020 12 10.13396903 30 46.99 +02 17 28.8          20.8 VuEX110H21
     K20X03A 4C2020 12 10.86290 03 25 56.31 +02 25 38.4          20.5 GVEX110J04
     K20X03A 4C2020 12 10.86575 03 25 55.04 +02 25 40.3          20.4 GVEX110J04
     K20X03A 4C2020 12 10.86860 03 25 53.74 +02 25 42.3          20.4 GVEX110J04
     K20X03A |C2020 12 11.12985 03 23 56.46 +02 30 23.8          20.7 VuEX110807
     K20X03A |C2020 12 11.13595 03 23 53.54 +02 30 28.5          20.8 VuEX110807
     K20X03A |C2020 12 11.14204 03 23 50.63 +02 30 33.2          20.9 VuEX110807

Observer details:
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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
    astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer D. Rankin.  Measurers
    E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
    H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
    Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m reflector +
    CCD.
J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers A.
    Knofel, D. Koschny, M. Busch, M. Micheli, E. Schwab.  1.0-m f/4.4
    reflector + CCD.

Orbital elements:
2020 XA3                                                 Earth MOID = 0.0052 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M 349.14796              (2000.0)            P               Q
n   0.26683262     Peri.   58.70168     -0.79313334     -0.58580738
a   2.3895169      Node    84.92100     +0.48631769     -0.77385671
e   0.6623168      Incl.    9.63075     +0.36665326     -0.24078103
P   3.69           H   24.4           G   0.15           U   7
Residuals in seconds of arc
201208 F51  0.0   0.1+    201209 I52  0.4-  0.4+    201210 J04  0.1+  0.0
201208 F51  0.1+  0.1-    201210 H21  0.2+  0.2+    201210 J04  0.0   0.0
201208 F51  0.1-  0.0     201210 H21  0.2+  0.0     201211 807  0.0   0.1-
201209 807  0.3-  0.0     201210 H21  0.1+  0.2-    201211 807  0.0   0.1-
201209 807  0.1-  0.1+    201210 H21  0.1-  0.1-    201211 807  0.1+  0.0
201209 I52  0.3+  0.2-    201210 J04  0.2-  0.2+

Ephemeris:
2020 XA3                 a,e,i = 2.39, 0.66, 10                  q = 0.8069
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 11    04 24 30.7 +03 19 21   0.3891  1.3548   156.0    17.3    23.9
...
2020 11 26    04 13 18.6 +02 00 55   0.2312  1.2078   161.0    15.4    22.5
...
2020 12 04    03 57 05.8 +01 48 36   0.1565  1.1312   156.8    20.0    21.6
...
2020 12 10    03 31 36.6 +02 17 00   0.1044  1.0754   148.8    28.3    20.9
2020 12 11    03 24 54.4 +02 27 57   0.09601 1.0663   146.8    30.4    20.8
2020 12 12    03 17 00.4 +02 41 41   0.08780 1.0573   144.5    32.7    20.6
...
2020 12 18    01 31 57.9 +05 53 02   0.04388 1.0048   117.2    60.6    19.8
...
2020 12 26    19 16 53.9 +05 50 22   0.05138 0.9405    32.4   145.9    25.5
...
2021 01 10    17 26 49.7 +00 36 06   0.1780  0.8473    36.6   136.2    26.7

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X110

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