[Iaude] MPEC X06: 2020 XA [a=1.76,e=0.42,i=25.6,H=23.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Dec 3 07:54:55 EST 2020


M.P.E.C. 2020-X06                              Issued 2020 December 3, 12:53 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 XA                                     


Observations:
     K20X00A  C2020 11 23.17674 02 44 47.28 -18 32 34.7          18.8 GVEX006703
     K20X00A  C2020 11 23.18796 02 44 41.39 -18 29 03.5          19.2 GVEX006703
     K20X00A* C2020 12 02.19210400 53 55.97 +49 06 48.0          19.18GVEX006G96
     K20X00A  C2020 12 02.19729000 53 50.12 +49 08 34.4          19.65GVEX006G96
     K20X00A  C2020 12 02.20765700 53 38.31 +49 12 06.4          19.93GVEX006G96
     K20X00A KC2020 12 02.27901800 52 17.79 +49 36 00.8          19.09GVEX006I52
     K20X00A KC2020 12 02.27977300 52 16.95 +49 36 16.2          19.10GVEX006I52
     K20X00A KC2020 12 02.28052800 52 16.10 +49 36 31.2          18.42GVEX006I52
     K20X00A KC2020 12 02.28128400 52 15.25 +49 36 46.3          18.85GVEX006I52
     K20X00A KC2020 12 02.33637000 51 14.04 +49 54 51.9          19.08GVEX006I52
     K20X00A KC2020 12 02.33825400 51 11.98 +49 55 28.4          19.67GVEX006I52
     K20X00A KC2020 12 02.97903 00 39 44.36 +53 18 07.2          18.9 GVEX006W34
     K20X00A KC2020 12 02.98942 00 39 31.93 +53 21 14.7          18.1 GVEX006W34
     K20X00A KC2020 12 03.00106 00 39 18.02 +53 24 43.1          19.3 GVEX006W34
     K20X00A KC2020 12 03.05499400 38 19.09 +53 40 32.0          20.36GVEX006I52
     K20X00A KC2020 12 03.05647200 38 17.40 +53 40 58.3          19.77GVEX006I52
     K20X00A KC2020 12 03.05721100 38 16.51 +53 41 11.7          19.73GVEX006I52
     K20X00A KC2020 12 03.06707 00 38 04.39 +53 43 51.1          19.6 GVEX006V01
     K20X00A KC2020 12 03.09854 00 37 26.74 +53 53 03.1          19.5 GVEX006V01
     K20X00A KC2020 12 03.13002 00 36 48.93 +54 02 10.3          18.8 GVEX006V01

Observer details:
703 Catalina Sky Survey.  Observer R. A. Kowalski.  Measurers D. Rankin, B.
    Gray, F. C. Shelly.  1.5-m reflector + 10K CCD.
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.
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.
V01 Mountainville Observatory, Alpine.  Observer B. Sheets.  0.36-m reflector
    + CCD.
W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.36-m
    Schmidt-Cassegrain + CCD.

Orbital elements:
2020 XA                                                  Earth MOID = 0.0453 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M   3.46658              (2000.0)            P               Q
n   0.42140902     Peri.   12.70435     +0.25287720     -0.88641087
a   1.7619767      Node    63.79233     +0.84556541     +0.00772969
e   0.4181136      Incl.   25.60394     +0.47018323     +0.46283476
P   2.34           H   23.5           G   0.15           U   7
Residuals in seconds of arc
201123 703  0.7+  0.6+    201202 I52  0.1-  0.2+    201203 I52  0.6-  0.5-
201123 703  0.7-  0.6-    201202 I52  0.1-  0.3+    201203 I52  0.1+  0.5-
201202 G96  0.1-  0.6-    201202 I52  0.0   0.2+    201203 I52  0.1+  0.2-
201202 G96  0.3+  0.3-    201202 I52  0.1+  0.1-    201203 V01  0.1+  1.2+
201202 G96  0.2-  0.4+    201202 W34  0.6+  0.5-    201203 V01  0.0   0.0
201202 I52  0.1-  0.2-    201202 W34  0.0   0.1+    201203 V01  0.2+  0.3+
201202 I52  0.1-  0.2+    201203 W34  0.2-  0.0

Ephemeris:
2020 XA                  a,e,i = 1.76, 0.42, 26                  q = 1.0253
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 03    04 00 19.0 -50 08 01   0.2240  1.0960   112.1    57.0    22.5
...
2020 11 18    03 17 21.3 -36 38 58   0.1038  1.0501   124.0    51.3    20.6
...
2020 11 26    02 19 20.8 +00 06 29   0.05695 1.0348   146.3    31.9    18.7
...
2020 12 02    00 57 22.9 +47 58 48   0.06369 1.0280   130.0    47.3    19.4
2020 12 03    00 39 16.2 +53 23 34   0.06876 1.0272   125.6    51.3    19.6
2020 12 04    00 19 57.0 +57 50 39   0.07451 1.0266   121.6    54.8    19.9
...
2020 12 10    22 13 04.1 +70 52 50   0.1166  1.0254   107.2    66.6    21.2
...
2020 12 18    20 08 58.5 +73 41 04   0.1792  1.0303   100.0    70.2    22.3
...
2021 01 02    18 33 52.4 +73 46 45   0.2938  1.0588    96.8    67.3    23.3

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X06




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