[Iaude] MPEC X197: 2020 XV6 [a=2.04,e=0.91,i=5.8,H=22.72]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 11 09:14:13 EST 2023


M.P.E.C. 2023-X197                            Issued 2023 December 11, 14:12 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 XV6                                    


                           Revision to MPEC 2020-Y18                            

Additional Observations:
     K20X06V KC2023 12 06.49465 08 23 21.71 +21 15 35.1                VEX197291
     K20X06V KC2023 12 06.51275 08 23 14.13 +21 16 08.1                VEX197291
     K20X06V 0C2023 12 09.57991008 02 15.005+22 38 45.12         23.16GVEX197T12
     K20X06V 0C2023 12 09.58763108 02 11.792+22 38 56.51         23.10GVEX197T12
     K20X06V 0C2023 12 09.59499108 02 08.735+22 39 07.36         23.14GVEX197T12

Observer details:
291 LPL/Spacewatch II.  Observer R. A. Mastaler.  1.8-m f/2.7 reflector + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea.  Observer D. J. Tholen.
    2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
231206 291 0.04+ 0.02+    231209 T12 0.01+ 0.01+    MPO782727   -0.00 days

Orbital elements:
2020 XV6                                                 Earth MOID = 0.0048 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 351.06884              (2000.0)            P               Q                  
n   0.33766045     Peri.  222.38566     +0.57328346     +0.81325744             
a   2.0424397      Node    82.83136     -0.72219740     +0.55906847             
e   0.9091752      Incl.    5.77246     -0.38701033     +0.16141495             
P   2.92           H   22.72          G   0.15           U   2                  
Residuals in seconds of arc
201215 703  0.1+  0.2-    201215 595  0.1+  0.0     201219 I52  0.2+  0.2-
201215 703  0.9+  0.6+    201215 595  0.3+  0.3+    201219 I52  0.0   0.1-
201215 V06 (0.5+  1.1-)   201215 L74  0.8-  1.2-    201219 I52  0.3-  0.1+
201215 V06 (1.0-  2.1-)   201215 L74  1.1-  0.1+    201219 807  0.1+  0.1-
201215 V06  0.1-  0.1+    201215 Z80  0.7+  1.0-    201219 807  0.1+  0.1+
201215 I52  0.4+  0.3+    201215 Z80  0.6+  0.1-    201219 807  0.2+  0.0
201215 I52  0.0   0.0     201216 858  0.1+  0.2+    201219 246  0.1-  0.4-
201215 I52 (1.0+  0.7-)   201216 858  0.0   0.2+    201219 246  0.4-  0.6-
201215 I52  0.3-  0.8-    201216 858  0.2+  0.1+    201219 246  0.8-  0.8+
201215 474  0.0   0.1-    201216 858  0.1-  0.1+    201219 246  0.0   0.4+
201215 474  0.2+  0.2-    201216 I52  0.2+  0.1+    201219 246  0.7-  0.4+
201215 474  0.0   0.3-    201216 I52  0.3-  0.1-    201220 I52  0.1-  0.3-
201215 474  0.0   0.0     201216 I52  0.2-  0.0     201220 I52  0.1-  0.1+
201215 L34  0.0   0.3+    201216 I52  0.0   0.3-    201220 I52  0.3-  0.2-
201215 J95  0.0   0.1-    201216 033  0.1-  0.2-    201220 I52  0.2-  0.4-
201215 J95  0.6-  0.3-    201216 033  0.3-  0.4-    201220 807  0.0   0.2-
201215 J95  0.2-  0.2-    201216 033  0.2-  0.3-    201220 807  0.1-  0.1-
201215 J95  0.5-  0.3-    201216 113  0.1-  0.1+    201220 807  0.1-  0.2+
201215 L34  0.1+  0.0     201216 113  0.5+  0.3+    201221 I52  0.5-  0.6-
201215 L01  0.0   0.0     201216 113  0.3+  0.5+    201221 I52  0.0   0.3-
201215 L01  0.0   0.1+    201216 K74  0.3+  0.1+    201222 I52  0.1+  0.1-
201215 L01  0.0   0.1+    201216 K74  0.1+  0.2-    201222 I52  0.1-  0.0
201215 L01  0.3+  0.1+    201216 K74  0.5+  0.3+    201222 I52  0.1-  0.0
201215 L01  0.1+  0.1-    201216 L07  0.1+  0.4+    201222 I52  0.2+  0.0
201215 Z99  0.0   0.1-    201216 L07  0.1+  0.3+    201231 695  0.1-  0.5+
201215 L01  0.1+  0.1+    201216 K87  0.6-  0.5+    201231 695  0.2-  0.3+
201215 L01  0.2+  0.1+    201216 K87  0.3-  0.1-    210103 695  0.3-  0.2+
201215 L01  0.1+  0.0     201216 L07  0.1+  0.3+    210103 695  0.4-  0.2+
201215 Z99  0.2-  0.1+    201216 K87  0.1+  0.1+    210103 695  0.0   0.2+
201215 Z99  0.1-  0.1+    201218 807  0.1-  0.1-    210107 T12  0.2+  0.1+
201215 L34  1.0-  0.1-    201218 807  0.0   0.1-    210107 T12  0.1+  0.0
201215 L34  0.4-  0.4+    201218 807  0.1+  0.1-    210205 309  0.0   0.0
201215 J69  0.3-  0.3-    201218 807  0.3+  0.0     210205 309  0.0   0.1+
201215 J69  0.0   0.3+    201218 I52  0.1-  0.1-    231206 291  0.3+  0.4-
201215 J69  0.3+  0.5+    201218 I52  0.1-  0.1+    231206 291  0.2+  1.3+
201215 958  0.3-  0.4+    201218 I52  0.2-  0.0     231209 T12  0.0   0.0
201215 958  0.4+  0.4+    201218 703  0.8+  0.8-    231209 T12  0.0   0.0
201215 958 (0.7+  0.8-)   201218 703  1.4+  0.7+    231209 T12  0.0   0.0
201215 595  0.5-  0.2-    201219 I52  0.1-  0.3-

Ephemeris:
2020 XV6                 a,e,i = 2.04, 0.91, 6                   q = 0.1855
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 11    10 54 59.5 +05 45 58   0.4837  0.9014    65.2    85.7    23.9
...
2023 11 26    09 32 47.7 +15 15 45   0.4549  1.1731   102.5    55.2    23.4
...
2023 12 04    08 40 26.4 +19 59 17   0.4645  1.3033   123.9    38.9    23.2
...
2023 12 10    07 59 24.4 +22 48 59   0.4894  1.3955   139.9    27.0    23.1
2023 12 11    07 52 39.1 +23 12 20   0.4952  1.4104   142.5    25.1    23.1
2023 12 12    07 45 57.8 +23 34 12   0.5015  1.4253   145.1    23.3    23.1
...
2023 12 18    07 07 58.0 +25 14 07   0.5496  1.5121   159.9    12.9    23.1
...
2023 12 26    06 25 42.4 +26 16 33   0.6397  1.6224   176.3     2.2    23.1
...
2024 01 10    05 35 21.7 +26 21 22   0.8734  1.8144   155.4    13.0    24.5

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-X197




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