[Iaude] MPEC X169: 2020 XJ5 [a=1.31,e=0.37,i=6.2,H=25.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 14 11:47:07 EST 2020


M.P.E.C. 2020-X169                            Issued 2020 December 14, 16:45 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 XJ5                                    


Observations:
     K20X05J* C2020 12 09.41217 05 12 39.16 +26 45 56.7          22.1 GVEX169V00
     K20X05J  C2020 12 09.42174 05 12 37.54 +26 45 29.8          22.0 GVEX169V00
     K20X05J  C2020 12 09.42653 05 12 36.74 +26 45 16.4          21.9 GVEX169V00
     K20X05J  C2020 12 09.45225 05 12 32.42 +26 44 03.8          22.2 GVEX169V00
     K20X05J  C2020 12 09.45295 05 12 32.28 +26 44 01.7                VEX169V00
     K20X05J  C2020 12 09.45435 05 12 32.04 +26 43 57.8                VEX169V00
     K20X05J KC2020 12 10.17778305 10 48.08 +26 11 49.0          22.1 VuEX169H21
     K20X05J KC2020 12 10.18386605 10 47.08 +26 11 33.7          22.2 VuEX169H21
     K20X05J KC2020 12 10.18994805 10 46.11 +26 11 18.2          22.2 VuEX169H21
     K20X05J KC2020 12 12.32835305 06 01.04 +24 44 42.3          21.58GVEX169V06
     K20X05J KC2020 12 12.34578305 05 58.63 +24 44 02.3          21.96GVEX169V06
     K20X05J KC2020 12 12.35450205 05 57.43 +24 43 42.5          22.04GVEX169V06
     K20X05J KC2020 12 14.33587 05 02 16.45 +23 33 25.2          23.2 GVEX169291
     K20X05J KC2020 12 14.34788 05 02 15.03 +23 33 00.7          23.2 GVEX169291
     K20X05J KC2020 12 14.36388 05 02 13.15 +23 32 28.2          22.2 GVEX169291

Observer details:
291 LPL/Spacewatch II.  Observer M. J. Brucker.  1.8-m f/2.7 reflector + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  1.3-m f/4.0
    astrograph + 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 XJ5                                                 Earth MOID = 0.0178 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Alexandersen              
M  55.25845              (2000.0)            P               Q                  
n   0.65407913     Peri.   82.46489     +0.96097494     +0.25484870             
a   1.3143646      Node   262.72500     -0.27662213     +0.88143310             
e   0.3734884      Incl.    6.22773     -0.00271421     +0.39765289             
P   1.51           H   25.50          G   0.15           U   8                  
Residuals in seconds of arc
201209 V00  0.1-  0.1-    201209 V00  0.2-  0.0+    201212 V06  0.0+  0.1-
201209 V00  0.0+  0.0-    201210 H21  0.1+  0.3-    201212 V06  0.2+  0.2+
201209 V00  0.2+  0.1+    201210 H21  0.1-  0.0-    201214 291  0.2-  0.0-
201209 V00  0.2+  0.1+    201210 H21  0.1+  0.1+    201214 291  0.0-  0.2-
201209 V00  0.1-  0.0-    201212 V06  0.2-  0.1-    201214 291  0.2+  0.2-

Ephemeris:
2020 XJ5                 a,e,i = 1.31, 0.37, 6                   q = 0.8235
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 14    10 35 24.7 +58 41 24   0.07224 0.9994    95.9    80.0    22.6
...
2020 11 29    05 56 19.1 +37 58 08   0.1115  1.0874   153.6    23.8    22.0
...
2020 12 07    05 19 32.1 +28 45 00   0.1518  1.1356   171.7     7.2    22.2
...
2020 12 13    05 04 42.5 +24 19 58   0.1877  1.1718   176.0     3.4    22.5
2020 12 14    05 02 52.3 +23 44 52   0.1941  1.1778   174.7     4.4    22.7
2020 12 15    05 01 11.0 +23 11 56   0.2007  1.1838   173.3     5.6    22.8
...
2020 12 21    04 53 41.8 +20 33 17   0.2424  1.2196   165.1    12.0    23.6
...
2020 12 29    04 49 05.8 +18 19 17   0.3044  1.2665   155.4    18.9    24.4
...
2021 01 13    04 51 17.0 +16 26 55   0.4389  1.3508   140.3    27.7    25.6

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X169




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