[Iaude] MPEC X54: 2020 XJ1 [a=1.38,e=0.21,i=7.5,H=23.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 7 13:27:00 EST 2020


M.P.E.C. 2020-X54                              Issued 2020 December 7, 18:25 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 XJ1                                    


Observations:
     K20X01J  C2020 11 11.42507 06 42 14.81 +20 23 39.1                VEX054G96
     K20X01J  C2020 11 11.43017 06 42 14.83 +20 23 50.3                VEX054G96
     K20X01J  C2020 11 11.43528 06 42 14.85 +20 24 01.0                VEX054G96
     K20X01J  C2020 11 11.44038 06 42 14.87 +20 24 12.3          21.6 GVEX054G96
     K20X01J  C2020 11 22.44278 06 40 08.54 +27 01 27.7          21.4 GVEX054G96
     K20X01J  C2020 11 22.44790 06 40 08.24 +27 01 38.1          21.4 GVEX054G96
     K20X01J  C2020 11 22.45302 06 40 07.99 +27 01 50.1          21.8 GVEX054G96
     K20X01J  C2020 11 22.45814 06 40 07.58 +27 02 00.7                VEX054G96
     K20X01J* C2020 12 06.42570 06 22 12.39 +34 43 32.7          21.0 GVEX054V00
     K20X01J  C2020 12 06.43058 06 22 11.79 +34 43 40.8          21.1 GVEX054V00
     K20X01J  C2020 12 06.43545 06 22 11.20 +34 43 48.8          21.3 GVEX054V00
     K20X01J  C2020 12 06.44034 06 22 10.62 +34 43 57.0          21.0 GVEX054V00
     K20X01J KC2020 12 06.50254606 22 03.12 +34 45 37.3                VEX054V06
     K20X01J KC2020 12 06.50610006 22 02.72 +34 45 43.9          21.52GVEX054V06
     K20X01J KC2020 12 06.50718 06 22 02.60 +34 45 46.0                oEX054291
     K20X01J KC2020 12 06.50787606 22 02.53 +34 45 46.4          21.53GVEX054V06
     K20X01J KC2020 12 06.51793 06 22 01.30 +34 46 03.4                oEX054291
     K20X01J KC2020 12 06.52869 06 22 00.11 +34 46 20.6                oEX054291
     K20X01J KC2020 12 07.25982406 20 44.95 +35 06 55.1          21.15GVEX054V06
     K20X01J KC2020 12 07.26160006 20 44.76 +35 06 58.1          21.11GVEX054V06
     K20X01J KC2020 12 07.26337706 20 44.53 +35 07 01.3          21.38GVEX054V06
     K20X01J KC2020 12 07.26515306 20 44.34 +35 07 04.3          21.60GVEX054V06
     K20X01J KC2020 12 07.44192 06 20 22.25 +35 11 58.8          21.1 RoEX054291
     K20X01J KC2020 12 07.44983 06 20 21.29 +35 12 10.9                oEX054291
     K20X01J  C2020 12 07.45473 06 20 20.67 +35 12 18.6          21.4 GVEX054V00
     K20X01J KC2020 12 07.45778 06 20 20.30 +35 12 23.8          21.2 RoEX054291
     K20X01J  C2020 12 07.45964 06 20 20.06 +35 12 26.5          20.9 GVEX054V00
     K20X01J  C2020 12 07.46451 06 20 19.46 +35 12 34.2          21.3 GVEX054V00
     K20X01J  C2020 12 07.46939 06 20 18.86 +35 12 41.7                VEX054V00

Observer details:
291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
G96 Mt. Lemmon Survey.  Observers K. W. Wierzchos, D. C. Fuls.  Measurers E.
    J. Christensen, B. Gray, D. Rankin, F. C. Shelly.  1.5-m reflector + 10K
    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.
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 XJ1                                                 Earth MOID = 0.1204 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M  48.52438              (2000.0)            P               Q
n   0.60574360     Peri.  314.76628     +0.95497863     -0.27381008
a   1.3833864      Node    61.43793     +0.29540230     +0.84198504
e   0.2136332      Incl.    7.47161     +0.02744616     +0.46485399
P   1.63           H   23.4           G   0.15           U   5
Residuals in seconds of arc
201111 G96  0.0   0.2-    201206 V00  0.0   0.1-    201207 V06  0.0   0.0
201111 G96  0.0   0.1+    201206 V00  0.2+  0.1+    201207 V06  0.3+  0.0
201111 G96  0.0   0.1-    201206 V06  0.3-  0.7-    201207 291  0.0   0.5+
201111 G96  0.0   0.3+    201206 V06  0.1-  0.1+    201207 291  0.3+  0.0
201122 G96  0.1+  0.0     201206 291  0.2-  0.0     201207 V00  0.1+  0.1-
201122 G96  0.1+  0.6-    201206 V06  0.1+  0.2-    201207 291  0.2+  0.3+
201122 G96  0.7+  0.5+    201206 291  0.7-  0.1+    201207 V00  0.0   0.0
201122 G96  0.8-  0.2+    201206 291  0.0   0.1+    201207 V00  0.0   0.0
201206 V00  0.1+  0.0     201207 V06  0.2-  0.0     201207 V00  0.0   0.2-
201206 V00  0.0   0.0     201207 V06  0.1+  0.1-

Ephemeris:
2020 XJ1                 a,e,i = 1.38, 0.21, 7                   q = 1.0878
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 07    06 39 58.9 +17 49 07   0.2158  1.1288   125.0    46.0    22.1
...
2020 11 22    06 40 27.1 +26 45 33   0.2150  1.1620   140.7    32.6    21.8
...
2020 11 30    06 32 20.7 +31 24 34   0.2209  1.1826   150.0    24.7    21.6
...
2020 12 06    06 22 58.5 +34 31 19   0.2293  1.1991   156.5    19.1    21.6
2020 12 07    06 21 11.7 +34 59 42   0.2311  1.2020   157.5    18.3    21.6
2020 12 08    06 19 22.0 +35 27 10   0.2330  1.2048   158.5    17.5    21.6
...
2020 12 14    06 07 40.4 +37 51 13   0.2467  1.2223   162.8    13.7    21.6
...
2020 12 22    05 52 02.8 +40 03 52   0.2718  1.2465   163.3    13.1    21.8
...
2021 01 06    05 31 45.5 +41 34 17   0.3394  1.2935   152.3    20.7    22.6

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X54




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