[Iaude] MPEC X66: 2020 XR1 [a=0.81,e=0.47,i=35.7,H=23.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Dec 8 02:26:49 EST 2020


M.P.E.C. 2020-X66                              Issued 2020 December 8, 07:25 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 XR1                                    


Observations:
     K20X01R* C2020 12 06.33411403 48 06.62 +05 21 10.5                VEX066G96
     K20X01R  C2020 12 06.34580303 47 53.07 +05 22 54.6          20.35GVEX066G96
     K20X01R  C2020 12 06.35094703 47 47.07 +05 23 41.2          19.86GVEX066G96
     K20X01R  C2020 12 06.35609903 47 41.15 +05 24 26.0          19.77GVEX066G96
     K20X01R KC2020 12 06.38705003 47 05.16 +05 29 03.8          19.56GVEX066I52
     K20X01R KC2020 12 06.38762103 47 04.45 +05 29 09.0          19.32GVEX066I52
     K20X01R KC2020 12 06.38818903 47 03.76 +05 29 14.4          19.60GVEX066I52
     K20X01R KC2020 12 06.38875703 47 03.16 +05 29 19.2          19.82GVEX066I52
     K20X01R KC2020 12 07.09014103 33 31.36 +07 16 00.1          19.40GVEX066I52
     K20X01R KC2020 12 07.09070803 33 30.65 +07 16 05.9          19.94GVEX066I52
     K20X01R KC2020 12 07.09127203 33 30.21 +07 16 09.6                VEX066I52
     K20X01R KC2020 12 07.09183703 33 29.28 +07 16 16.6          20.60GVEX066I52
     K20X01R mC2020 12 08.25187703 09 44.99 +10 16 35.9          20.52GVEX066G96
     K20X01R mC2020 12 08.25210903 09 44.68 +10 16 38.3          19.98GVEX066G96
     K20X01R mC2020 12 08.25234003 09 44.38 +10 16 40.7          20.21GVEX066G96
     K20X01R mC2020 12 08.25257203 09 44.07 +10 16 42.2          20.50GVEX066G96

Observer details:
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.
I52 Steward Observatory, Mt. Lemmon Station.  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.  1.0-m reflector +
    CCD.

Orbital elements:
2020 XR1                                                 Earth MOID = 0.0708 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 255.59969              (2000.0)            P               Q                  
n   1.34655185     Peri.  150.79896     -0.61379540     +0.55398656             
a   0.8121832      Node    74.60253     -0.78882541     -0.40169029             
e   0.4673233      Incl.   35.68957     -0.03177544     -0.72920765             
P   0.73           H   23.77          G   0.15           U   8                  
Residuals in seconds of arc
201206 G96 (1.4-  1.1+)   201206 I52  0.6-  0.3+    201208 G96  0.3+  0.1-
201206 G96  0.6-  0.5+    201206 I52  0.3+  0.0+    201208 G96  0.0-  0.1+
201206 G96 (0.7-  1.0+)   201207 I52  0.3+  0.4-    201208 G96  0.0-  0.3+
201206 G96  0.4+  0.4-    201207 I52  0.0-  0.1+    201208 G96  0.2-  0.3-
201206 I52  0.5+  0.1-    201207 I52 (3.5+  1.4-)
201206 I52  0.2-  0.0+    201207 I52  0.2-  0.3+

Ephemeris:
2020 XR1                 a,e,i = 0.81, 0.47, 36                  q = 0.4326
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 08    06 56 51.0 -16 12 19   0.3687  1.1774   111.6    51.5    23.9
...
2020 11 23    06 15 36.9 -12 52 30   0.2130  1.1411   132.0    40.0    22.3
...
2020 12 01    05 10 29.6 -05 25 56   0.1423  1.1125   150.9    25.5    20.9
...
2020 12 07    03 35 15.6 +07 02 39   0.1108  1.0868   155.3    22.3    20.2
2020 12 08    03 15 01.0 +09 37 44   0.1088  1.0822   151.8    25.5    20.3
2020 12 09    02 53 58.5 +12 12 50   0.1079  1.0774   147.4    29.5    20.4
...
2020 12 15    00 51 14.7 +24 06 19   0.1250  1.0466   116.8    57.1    21.4
...
2020 12 23    23 08 41.7 +29 02 55   0.1832  0.9997    89.7    79.7    22.9
...
2021 01 07    21 50 20.7 +29 22 52   0.3147  0.8930    64.3    97.2    24.5

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X66




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