[Iaude] MPEC X116: 2020 XG3 [a=2.40,e=0.53,i=3.3,H=24.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 11 11:37:22 EST 2020


M.P.E.C. 2020-X116                            Issued 2020 December 11, 16:36 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 XG3                                    


Observations:
     K20X03G* C2020 12 09.41110 05 14 58.55 +26 29 59.5          21.2 GVEX116V00
     K20X03G  C2020 12 09.41164 05 14 58.68 +26 29 59.0          21.4 GVEX116V00
     K20X03G  C2020 12 09.41591 05 14 59.73 +26 29 52.9          21.1 GVEX116V00
     K20X03G  C2020 12 09.41644 05 14 59.87 +26 29 52.3          21.1 GVEX116V00
     K20X03G  C2020 12 09.42069 05 15 00.95 +26 29 46.5          21.4 GVEX116V00
     K20X03G  C2020 12 09.42122 05 15 01.07 +26 29 45.8          21.3 GVEX116V00
     K20X03G  C2020 12 09.42547 05 15 02.16 +26 29 39.9          21.4 GVEX116V00
     K20X03G  C2020 12 09.42600 05 15 02.29 +26 29 39.3          21.4 GVEX116V00
     K20X03G KC2020 12 09.48951205 15 18.52 +26 28 10.4          21.27GVEX116I52
     K20X03G KC2020 12 09.49287405 15 19.34 +26 28 05.4          20.72GVEX116I52
     K20X03G KC2020 12 09.49623405 15 20.26 +26 28 00.4          21.18GVEX116I52
     K20X03G KC2020 12 10.16559305 18 25.77 +26 13 37.7          21.0 VuEX116H21
     K20X03G KC2020 12 10.17288005 18 27.62 +26 13 28.3          21.3 VuEX116H21
     K20X03G KC2020 12 10.18065305 18 29.57 +26 13 18.8          21.4 VuEX116H21
     K20X03G KC2020 12 10.23407505 18 43.96 +26 12 12.5          21.1 VqEX116858
     K20X03G KC2020 12 10.24915105 18 47.67 +26 11 53.3          21.8 VqEX116858
     K20X03G KC2020 12 11.29464605 23 27.37 +25 48 23.5          20.7 VuEX116H21
     K20X03G KC2020 12 11.30048905 23 28.78 +25 48 15.2          20.7 VuEX116H21

Observer details:
858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m Schmidt-
    Cassegrain + 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, 0.81-m f/4.0 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.
V00 Kitt Peak-Bok.  Observer H. Groeller.  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.  2.25-m reflector + CCD.

Orbital elements:
2020 XG3                                                 Earth MOID = 0.1453 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M   0.32856              (2000.0)            P               Q
n   0.26427538     Peri.  178.67060     +0.10035121     -0.99328318
a   2.4049068      Node   265.56778     +0.91231666     +0.11496333
e   0.5303521      Incl.    3.31217     +0.39699867     -0.01311287
P   3.73           H   24.9           G   0.15           U   8
Residuals in seconds of arc
201209 V00  0.0   0.0     201209 V00  0.1+  0.1-    201210 H21  0.3+  0.1+
201209 V00  0.0   0.2+    201209 V00  0.1+  0.1+    201210 H21  0.4+  0.4+
201209 V00  0.3-  0.1-    201209 I52  0.4+  0.1+    201210 858  0.1-  0.1-
201209 V00  0.2-  0.0     201209 I52  0.3-  0.1-    201210 858  0.5-  0.2-
201209 V00  0.0   0.0     201209 I52  0.3+  0.4-    201211 H21  0.3+  0.1-
201209 V00  0.2-  0.0     201210 H21  0.0   0.3+    201211 H21  0.3-  0.1-

Ephemeris:
2020 XG3                 a,e,i = 2.40, 0.53, 3                   q = 1.1295
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 11    03 32 07.8 +30 08 20   0.2154  1.2001   165.9    11.6    22.7
...
2020 11 26    04 18 24.1 +29 44 27   0.1680  1.1531   170.9     7.8    21.9
...
2020 12 04    04 51 01.3 +28 10 54   0.1531  1.1379   173.7     5.4    21.5
...
2020 12 10    05 17 39.3 +26 17 31   0.1470  1.1315   176.0     3.5    21.3
2020 12 11    05 22 08.8 +25 55 21   0.1464  1.1308   176.4     3.2    21.3
2020 12 12    05 26 38.0 +25 32 22   0.1460  1.1303   176.7     2.9    21.3
...
2020 12 18    05 53 00.7 +23 01 22   0.1459  1.1298   177.8     1.9    21.2
...
2020 12 26    06 25 01.0 +19 27 36   0.1528  1.1359   175.9     3.6    21.4
...
2021 01 10    07 10 08.5 +14 00 54   0.1860  1.1676   171.3     7.4    22.1

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X116




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