[Iaude] MPEC X73: 2020 XA2 [a=1.19,e=0.23,i=7.2,H=24.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Dec 9 03:37:46 EST 2020


M.P.E.C. 2020-X73                              Issued 2020 December 9, 08:36 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 XA2                                    


Observations:
     K20X02A* C2020 12 06.12943823 32 57.47 +06 14 48.8          20.96GVEX073G96
     K20X02A  C2020 12 06.13977923 32 51.89 +06 15 40.6          20.96GVEX073G96
     K20X02A KC2020 12 06.19018123 32 24.59 +06 19 56.4          21.00GVEX073V06
     K20X02A KC2020 12 06.19182223 32 23.68 +06 20 04.2          21.16GVEX073V06
     K20X02A KC2020 12 06.19346423 32 22.82 +06 20 13.2          21.24GVEX073V06
     K20X02A KC2020 12 06.19510423 32 21.95 +06 20 21.1          22.36GVEX073V06
     K20X02A KC2020 12 07.10037823 24 47.63 +07 38 11.4          21.27GVEX073G96
     K20X02A KC2020 12 07.10200123 24 46.72 +07 38 19.9          21.29GVEX073G96
     K20X02A KC2020 12 07.10362223 24 45.79 +07 38 28.5          21.66GVEX073G96
     K20X02A KC2020 12 07.10524623 24 44.88 +07 38 36.9          21.26GVEX073G96
     K20X02A KC2020 12 08.06623023 16 28.70 +09 02 32.1          20.87GVEX073V06
     K20X02A KC2020 12 08.06947423 16 26.88 +09 02 48.8          21.34GVEX073V06
     K20X02A KC2020 12 08.07271923 16 24.98 +09 03 06.1          21.56GVEX073V06
     K20X02A KC2020 12 08.07596523 16 23.13 +09 03 23.0          21.79GVEX073V06
     K20X02A |C2020 12 09.05795 23 07 37.92 +10 32 25.6          21.7 GVEX073807
     K20X02A |C2020 12 09.05927 23 07 37.19 +10 32 32.0          21.7 GVEX073807
     K20X02A |C2020 12 09.06103 23 07 36.22 +10 32 41.0          21.8 GVEX073807

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    1.00-m f/10.0 astrograph + CCD.
G96 Mt. Lemmon Survey.  Observer T. A. Pruyne.  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.  1.5-m reflector + 10K CCD.
V06 Catalina Sky Survey-Kuiper.  Observer D. C. Fuls.  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.  1.55-m reflector +
    1K CCD.

Orbital elements:
2020 XA2                                                 Earth MOID = 0.0168 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 332.44172              (2000.0)            P               Q                  
n   0.75862101     Peri.   59.24396     -0.57464675     -0.81025594             
a   1.1906555      Node    66.26979     +0.70127869     -0.56005768             
e   0.2251070      Incl.    7.22799     +0.42188780     -0.17268674             
P   1.30           H   24.94          G   0.15           U   8                  
Residuals in seconds of arc
201206 G96  0.7-  0.2+    201207 G96  0.3+  0.0-    201208 V06  0.3-  0.0-
201206 G96  0.1+  0.5-    201207 G96  0.2+  0.1+    201208 V06  0.1-  0.2-
201206 V06  0.2+  0.1+    201207 G96  0.1-  0.3+    201209 807  0.2-  0.3+
201206 V06  0.3-  0.4-    201207 G96  0.1-  0.2+    201209 807  0.2+  0.2-
201206 V06  0.1+  0.3+    201208 V06  0.3-  0.2+    201209 807 (0.8+  0.4-)
201206 V06  0.2+  0.1-    201208 V06  0.3+  0.2-

Ephemeris:
2020 XA2                 a,e,i = 1.19, 0.23, 7                   q = 0.9226
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 09    02 09 50.7 -14 02 12   0.1185  1.0918   147.0    29.6    21.8
...
2020 11 24    00 58 49.1 -07 25 42   0.08210 1.0394   127.6    48.8    21.4
...
2020 12 02    00 05 32.8 +00 44 53   0.06937 1.0135   111.6    64.8    21.5
...
2020 12 08    23 17 03.9 +08 57 33   0.06372 0.9953    97.5    78.9    21.7
2020 12 09    23 08 14.8 +10 25 48   0.06317 0.9924    95.0    81.3    21.8
2020 12 10    22 59 13.6 +11 54 38   0.06273 0.9896    92.6    83.8    21.8
...
2020 12 16    22 01 33.8 +20 29 09   0.06262 0.9735    78.4    98.0    22.4
...
2020 12 24    20 40 57.1 +28 47 37   0.06900 0.9548    63.6   112.7    23.4
...
2021 01 08    18 42 24.5 +31 24 25   0.09598 0.9306    54.3   120.9    24.6

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X73




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