[Iaude] MPEC X109: 2020 XJ5 [a=1.32,e=0.37,i=6.2,H=25.07]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Dec 6 08:58:12 EST 2023


M.P.E.C. 2023-X109                             Issued 2023 December 6, 13:56 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  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                                    


                           Revision to MPEC 2020-X169                           

Additional Observations:
     K20X05J 1C2023 12 03.08235 01 31 03.44 +27 39 18.0          21.6 GVEX109G96
     K20X05J 1C2023 12 03.08794 01 31 06.95 +27 39 01.3          20.9 GVEX109G96
     K20X05J 1C2023 12 03.09353 01 31 10.61 +27 38 45.1          21.9 GVEX109G96
     K20X05J 1C2023 12 03.09912 01 31 14.22 +27 38 30.3          20.8 GVEX109G96
     K20X05J  C2023 12 05.25010401 52 55.024+25 57 21.60         21.15wXEX109F52
     K20X05J  C2023 12 05.26184701 53 01.035+25 56 50.65         21.03wXEX109F52
     K20X05J  C2023 12 05.27373601 53 07.122+25 56 19.18         21.44wXEX109F52
     K20X05J KC2023 12 06.18772 02 00 58.97 +25 16 05.5                VEX109691
     K20X05J KC2023 12 06.19350 02 01 01.67 +25 15 50.7          21.3 RVEX109691
     K20X05J KC2023 12 06.19928 02 01 04.42 +25 15 35.3                VEX109691

Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch.  Observer R. A. Mastaler.
    0.9-m f/3 reflector + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer H. Groeller.  Measurers B. Gray, D. Rankin,
    F. C. Shelly.  1.5-m reflector + 10K CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
231203 G96   11+    5+    231206 691   10+    4+    MPO600179   +1.68 days

Orbital elements:
2020 XJ5                                                 Earth MOID = 0.0182 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 348.68945              (2000.0)            P               Q                  
n   0.65346960     Peri.   82.51912     +0.96106441     +0.25443873             
a   1.3151818      Node   262.69525     -0.27631426     +0.88156441             
e   0.3739859      Incl.    6.23808     -0.00237207     +0.39762436             
P   1.51           H   25.07          G   0.15           U   2                  
Residuals in seconds of arc
201209 V00  0.1-  0.0     201212 V06  0.2-  0.1-    231203 G96 (0.2+  0.9+)
201209 V00  0.0   0.0     201212 V06  0.0   0.1-    231205 F52  0.2+  0.3+
201209 V00  0.2+  0.1+    201212 V06  0.1+  0.2+    231205 F52  0.1+  0.2+
201209 V00  0.2+  0.1+    201214 291  0.1-  0.1+    231205 F52  0.2+  0.2+
201209 V00  0.1-  0.0     201214 291  0.0   0.1-    231206 691  0.7-  0.3+
201209 V00  0.2-  0.1+    201214 291  0.2+  0.0     231206 691  0.8-  0.3+
201210 H21  0.1+  0.4-    231203 G96 (1.2+  0.9+)   231206 691  0.2-  0.2-
201210 H21  0.1-  0.1-    231203 G96  0.3-  0.0
201210 H21  0.1+  0.0     231203 G96  0.3+  0.2-

Ephemeris:
2020 XJ5                 a,e,i = 1.32, 0.37, 6                   q = 0.8233
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 06    17 59 36.6 +08 54 40   0.1324  0.9214    54.7   118.5    25.2
...
2023 11 21    21 31 30.5 +30 48 19   0.07530 1.0007    97.5    78.2    22.2
...
2023 11 29    00 33 41.6 +31 00 43   0.09162 1.0471   129.5    46.7    21.7
...
2023 12 05    01 50 35.5 +26 08 37   0.1222  1.0829   140.7    35.2    22.1
2023 12 06    01 59 24.8 +25 24 18   0.1282  1.0889   141.6    34.2    22.2
2023 12 07    02 07 25.8 +24 42 23   0.1344  1.0949   142.4    33.3    22.3
...
2023 12 13    02 43 21.8 +21 20 35   0.1749  1.1312   144.3    30.6    22.9
...
2023 12 21    03 13 06.2 +18 36 29   0.2359  1.1795   142.4    30.6    23.6
...
2024 01 05    03 48 16.6 +16 25 35   0.3670  1.2683   134.6    33.5    24.8

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-X109




More information about the Iaude mailing list