[Iaude] MPEC X262: 2004 XD6 [a=1.94,e=0.56,i=6.7,H=22.18]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Dec 13 08:34:13 EST 2023


M.P.E.C. 2023-X262                            Issued 2023 December 13, 13:32 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

                                    2004 XD6                                    


                           Revision to MPEC 2004-X33                            

Additional Observations:
     K04X06D  C2023 12 12.55421210 45 51.813+22 30 48.53         20.65wXEX262F52
     K04X06D  C2023 12 12.56783010 46 01.196+22 30 26.52         20.69wXEX262F52
     K04X06D  C2023 12 12.58136310 46 10.575+22 30 04.58         21.08wXEX262F52
     K04X06D mC2023 12 13.51680810 57 13.619+22 02 20.40         20.97GVEX262I52
     K04X06D mC2023 12 13.51729110 57 13.943+22 02 18.78         20.97GVEX262I52
     K04X06D mC2023 12 13.51778010 57 14.310+22 02 18.17         20.53GVEX262I52
     K04X06D mC2023 12 13.51826610 57 14.641+22 02 16.98         20.87GVEX262I52

Observer details:
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.
I52 Steward Observatory, Mt. Lemmon Station.  Observer K. W. Wierzchos.
    Measurers E. C. Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs,
    A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G.
    J. Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m
    prime focus + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
231212 F52   94+    4+    231213 I52   97+    5+    MPO 74441   +15.9 days

Orbital elements:
2004 XD6                                                 Earth MOID = 0.0665 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 309.78387              (2000.0)            P               Q                  
n   0.36340310     Peri.   88.77084     -0.90180356     -0.41883539             
a   1.9448090      Node    66.45968     +0.33575127     -0.83411820             
e   0.5630825      Incl.    6.66654     +0.27206879     -0.35892024             
P   2.71           H   22.18          G   0.15           U   0                  
Residuals in seconds of arc
041209 691  0.2-  0.2-    041217 F65  0.0   0.5+    041229 734  0.0   0.2+
041209 691  0.3-  0.4+    041217 F65  0.4-  0.5+    041229 734  0.3+  0.0
041209 691  0.4-  0.1+    041217 F65  0.8+  0.8-    041229 734  0.1-  0.2+
041210 246  0.1+  0.8-    041218 F65  0.1-  0.4+    041231 734  0.7-  0.4-
041210 246  0.9+  0.7-    041218 F65  0.2+  0.6-    041231 734  0.7-  0.1-
041210 246  1.0+  0.2-    041218 F65  0.1-  0.4+    041231 734  0.1-  0.2-
041210 246  0.6-  0.2+    041219 671  0.2-  0.2-    041231 649  0.1-  0.5-
041210 854  0.2+  0.4+    041219 671  0.6+  0.9-    041231 649  0.2-  0.2-
041210 854  0.1+  0.3+    041219 671  0.2+  0.5-    041231 649  0.3-  0.0
041210 854  0.2+  0.2+    041220 F65  0.0   0.1+    041231 649  0.0   0.1+
041210 649  0.2-  0.1-    041220 F65  0.0   0.2-    050101 104  1.6+  1.0+
041210 649  0.1+  0.3+    041220 F65  0.3-  0.5+    050101 104  1.7+  0.8+
041210 649  0.1+  0.3-    041220 F65  0.4+  0.6-    050101 104  0.3+  0.4+
041210 291  0.3-  0.3+    041223 448  0.9-  0.0     050101 104  2.3-  1.3-
041210 291  0.4-  0.2+    041223 448  0.1-  0.3-    231212 F52  0.1+  0.1-
041210 291  0.3-  0.0     041223 448  0.1-  0.3+    231212 F52  0.3-  0.2-
041214 246  0.4+  0.1-    041226 J95  0.6+  0.5+    231212 F52  0.3+  0.1-
041214 246  1.3+  0.8-    041226 J95  0.1-  0.1+    231213 I52  0.0   0.5+
041214 246  0.7+  0.4-    041226 J95  0.3+  0.1-    231213 I52  0.2-  0.2-
041214 246  0.0   0.1+    041228 J95  0.2-  0.4+    231213 I52  0.2+  0.1+
041215 H36  0.6+  0.5+    041228 J95  0.2+  0.2+    231213 I52  0.0   0.2-
041215 H36  0.0   0.0     041228 J95  0.1-  0.1-

Ephemeris:
2004 XD6                 a,e,i = 1.94, 0.56, 7                   q = 0.8497
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 13    07 09 52.2 +22 40 32   0.4612  1.3046   123.9    39.0    22.6
...
2023 11 28    08 28 14.9 +24 21 45   0.3112  1.1797   121.6    45.5    21.7
...
2023 12 06    09 34 49.8 +24 20 18   0.2527  1.1152   114.8    53.3    21.4
...
2023 12 12    10 39 21.2 +22 45 39   0.2238  1.0687   106.1    62.3    21.3
2023 12 13    10 51 04.7 +22 18 09   0.2205  1.0612   104.4    64.0    21.3
2023 12 14    11 02 59.0 +21 46 56   0.2177  1.0537   102.6    65.7    21.3
...
2023 12 20    12 15 14.4 +17 27 08   0.2113  1.0103    91.1    76.8    21.5
...
2023 12 28    13 40 40.8 +09 55 44   0.2298  0.9578    76.9    89.6    22.1
...
2024 01 12    15 26 41.0 -01 42 32   0.3194  0.8827    62.5    98.8    23.0

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-X262




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