[Iaude] MPEC Y29: 2020 XA7 [a=1.82,e=0.40,i=16.3,H=19.8]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Dec 17 14:23:54 EST 2020


M.P.E.C. 2020-Y29                             Issued 2020 December 17, 19:22 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 XA7                                    


Observations:
     K20X07A* C2020 12 14.36028107 04 48.10 +11 53 53.8          21.70GVEY029G96
     K20X07A  C2020 12 14.36542807 04 47.61 +11 53 57.3          21.63GVEY029G96
     K20X07A  C2020 12 14.37571607 04 46.67 +11 54 04.1          21.28GVEY029G96
     K20X07A HC2020 12 14.44536607 04 40.17 +11 54 49.8          22.03GVEY029G96
     K20X07A HC2020 12 14.45084107 04 39.66 +11 54 52.6                VEY029G96
     K20X07A HC2020 12 14.45632607 04 39.11 +11 54 57.1                VEY029G96
     K20X07A HC2020 12 14.46176607 04 38.63 +11 55 00.5          21.39GVEY029G96
     K20X07A KC2020 12 15.46259707 03 07.31 +12 06 05.8          21.70GVEY029G96
     K20X07A KC2020 12 15.46975907 03 06.65 +12 06 11.0                VEY029G96
     K20X07A KC2020 12 15.47738707 03 05.87 +12 06 15.2          21.80GVEY029G96
     K20X07A KC2020 12 16.28979807 01 51.26 +12 15 24.0                VEY029V06
     K20X07A KC2020 12 16.29296607 01 50.98 +12 15 26.1                VEY029V06
     K20X07A KC2020 12 16.29613507 01 50.66 +12 15 29.0          21.85GVEY029V06
     K20X07A KC2020 12 16.29930307 01 50.33 +12 15 31.1                VEY029V06
     K20X07A KC2020 12 17.25702607 00 20.68 +12 26 24.4          21.40GVEY029V06
     K20X07A KC2020 12 17.26019307 00 20.36 +12 26 26.2          21.93GVEY029V06
     K20X07A KC2020 12 17.26336207 00 20.05 +12 26 28.2                VEY029V06
     K20X07A KC2020 12 17.26653007 00 19.74 +12 26 31.1          21.75GVEY029V06

Observer details:
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  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 XA7                                                 Earth MOID = 0.1197 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M  76.87447              (2000.0)            P               Q                  
n   0.40175270     Peri.  218.65666     +0.86071365     +0.43948966             
a   1.8189895      Node   113.42859     -0.36906262     +0.88631619             
e   0.4032374      Incl.   16.26212     -0.35066335     +0.14591937             
P   2.45           H   19.81          G   0.15           U   9                  
Residuals in seconds of arc
201214 G96  0.1-  0.3+    201214 G96  0.1+  0.3+    201216 V06  0.0-  0.4+
201214 G96  0.2-  0.4+    201215 G96  0.1-  0.5-    201216 V06  0.4-  0.4+
201214 G96  0.1+  0.4+    201215 G96  0.2+  0.0-    201217 V06  0.2+  0.2+
201214 G96  0.3+  0.3+    201215 G96 (0.7-  0.9-)   201217 V06  0.0+  0.2-
201214 G96  0.3+  0.5-    201216 V06  0.2-  0.2-    201217 V06  0.0-  0.4-
201214 G96  0.3-  0.4+    201216 V06  0.2+  0.3-    201217 V06  0.0-  0.3+

Ephemeris:
2020 XA7                 a,e,i = 1.82, 0.40, 16                  q = 1.0855
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 17    07 31 27.3 +08 18 45   1.0739  1.7922   120.6    28.3    22.5
...
2020 12 02    07 20 49.9 +09 53 50   1.0150  1.8688   138.1    20.6    22.2
...
2020 12 10    07 11 05.0 +11 07 47   0.9981  1.9083   148.5    15.7    22.1
...
2020 12 16    07 02 18.0 +12 12 11   0.9947  1.9372   156.4    11.7    21.9
2020 12 17    07 00 44.6 +12 23 31   0.9950  1.9419   157.8    11.1    21.9
2020 12 18    06 59 10.0 +12 34 59   0.9956  1.9467   159.1    10.4    21.9
...
2020 12 24    06 49 23.5 +13 46 12   1.0047  1.9748   166.6     6.6    21.8
...
2021 01 01    06 36 11.3 +15 23 56   1.0328  2.0112   172.1     3.9    21.8
...
2021 01 16    06 14 31.5 +18 18 05   1.1347  2.0765   157.1    10.6    22.3

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y29




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