[Iaude] MPEC L70: 2009 XT6 [a=2.18,e=0.77,i=5.7,H=20.36]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Jun 8 10:07:06 EDT 2022


M.P.E.C. 2022-L70                                  Issued 2022 June 8, 14:05 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

                                    2009 XT6                                    


                           Revision to MPEC 2009-X55                            

Additional Observations:
     K09X06T KC2022 04 03.47190013 58 35.761-21 18 36.88         23.05GVEL070F52
     K09X06T KC2022 04 29.37031213 11 13.556-17 26 57.07         22.44GVEL070F52
     K09X06T  C2022 05 26.28777512 21 08.810-10 40 39.64         22.60GVEL070F52
     K09X06T  C2022 05 26.29923712 21 07.815-10 40 29.43         22.79GVEL070F52
     K09X06T KC2022 06 01.28292712 13 38.691-09 17 03.38         23.00GVEL070T12
     K09X06T  C2022 06 03.26260512 11 33.004-08 51 18.86         22.87GVEL070T12
     K09X06T  C2022 06 03.26632512 11 32.767-08 51 16.00         22.77GVEL070T12
     K09X06T  C2022 06 03.27000012 11 32.528-08 51 13.15         22.95GVEL070T12

Observer details:
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, A. Schultz, I. Smith.  Measurers S. Chastel, M. Huber, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers D. Hung, D. J.
    Tholen.  Measurer 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
220403 F52 2.09- 0.76-    220603 T12 0.51- 0.35-    MPO473178   -4.29 days

Orbital elements:
2009 XT6                                            PHA, Earth MOID = 0.0022 AU
Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  Veres                   
M 350.90538              (2000.0)            P               Q                  
n   0.30632400     Peri.   81.96588     +0.96909460     +0.22567516             
a   2.1794590      Node   264.95048     -0.24668738     +0.88816088             
e   0.7679909      Incl.    5.74028     +0.00099299     +0.40030111             
P   3.22           H   20.36          G   0.15           U   0                  
Residuals in seconds of arc
091213 704  0.4+  0.4+    091216 H01  0.2+  0.2+    091226 J95  0.1-  0.3+
091213 704  0.1+  0.6+    091216 H01  0.2+  0.2+    091226 J95  0.1-  0.1-
091213 704  0.6+  0.7+    091216 H01  0.1-  0.1+    091226 448  0.4-  0.2-
091213 704  0.7+  0.0     091216 H01  0.1+  0.0     091226 448  0.1+  0.1-
091213 704  0.6+  0.1-    091217 704  0.3+  0.3+    091226 448  0.1+  0.4+
091214 704  0.6+  0.5+    091217 704  0.3+  0.0     091226 448  0.8-  0.1+
091214 704  0.4+  0.9+    091217 704  0.5+  0.1-    091227 A53  1.0-  0.5+
091214 704  0.4+  0.7+    091217 704  0.6+  0.0     091227 A53  0.8+  1.1-
091214 704  0.4+  1.3+    091217 704  0.3+  0.0     091229 H21  0.3-  0.1+
091215 204  0.8-  0.1+    091217 H01  0.1+  0.1+    091229 H21  0.2-  0.2+
091215 204  0.7-  0.0     091217 H01  0.1+  0.0     091229 H21  0.1-  0.3+
091215 204  0.7-  0.1+    091217 H01  0.3+  0.0     100103 H21  0.0   0.3+
091215 704  0.8+  0.0     091217 H01  0.2+  0.0     100103 H21  0.1+  0.3+
091215 704  1.2+  0.4+    091218 H01  0.3+  0.1-    100103 H21  0.0   0.2+
091215 704  0.8+  0.1+    091218 H01  0.2+  0.0     100105 291  0.1-  0.3-
091215 704  1.1+  0.1+    091218 H01  0.1+  0.2-    100105 291  0.8-  0.5+
091215 704  0.3+  0.4+    091218 H01  0.1+  0.1-    100106 291  0.4-  0.1+
091215 704  0.3+  0.5-    091218 H45  0.4+  0.4-    100106 291  0.4-  0.1+
091215 704  0.3+  0.2-    091218 H45  0.0   0.2+    100106 291  0.5-  0.1+
091215 704  0.2+  0.3-    091218 H45  0.1-  0.0     100106 H01  0.0   0.0
091215 704  0.2-  0.2+    091218 H45  0.3+  0.1+    100106 H21  0.0   0.0
091215 H36  0.1+  0.1-    091218 H45  0.0   0.3+    100106 H01  0.0   0.0
091215 H36  0.2+  0.1-    091218 H45  0.3+  0.0     100106 H21  0.1-  0.1-
091215 H36  0.1-  0.4-    091218 H45  0.1-  0.1+    100106 H21  0.1-  0.2+
091215 G96  0.3-  0.1+    091219 291  0.5-  0.4+    100106 H01  0.0   0.0
091215 G96  0.3-  0.1-    091219 291 (1.2-  0.6+)   100106 H21  0.7-  0.4+
091215 G96  0.5-  0.2+    091219 291 (1.1-  0.5+)   100106 F51  0.2+  0.0
091215 G96  0.4+  0.0     091219 691  0.5+  0.8-    100106 F51  0.3+  0.0
091215 G96  0.2-  0.1-    091219 691 (1.4+  0.6-)   100116 H01  0.1-  0.1+
091215 G96  0.4+  0.2-    091219 691 (1.3+  0.8-)   100116 H01  0.2-  0.1+
091215 G96  0.2-  0.1-    091220 A74  0.4+  0.8-    100116 H01  0.1-  0.1+
091215 G96  0.0   0.1-    091220 A74  0.0   0.5-    100116 H01  0.1-  0.1+
091216 291  0.5-  0.3+    091220 A74  0.2-  0.3-    100124 F51  0.1-  0.1-
091216 291  0.4+  0.6+    091220 A74  0.4-  0.2-    100124 F51  0.0   0.0
091216 291 (2.0-  0.5+)   091220 291  0.4+  0.1+    220403 F52  0.1+  0.2+
091216 H21  0.1+  0.2+    091220 291  0.5-  0.0     220429 F52  0.0   0.0
091216 H21  0.3+  0.0     091220 291  0.1+  0.4+    220526 F52  0.0   0.1-
091216 H21  0.2+  0.1+    091221 A74  0.1+  0.1-    220526 F52  0.1+  0.1+
091216 H21  0.1+  0.1-    091221 A74  0.4+  0.2-    220601 T12  0.1-  0.0
091216 H21  0.2+  0.1-    091221 A74  0.3+  0.0     220603 T12  0.0   0.0
091216 926  0.9-  0.2-    091223 932  0.1-  0.2-    220603 T12  0.0   0.0
091216 926  0.0   0.0     091223 932  0.0   0.1-    220603 T12  0.0   0.0
091216 926  0.1-  0.0     091226 J95  0.2+  0.1+

Ephemeris:
2009 XT6                 a,e,i = 2.18, 0.77, 6                   q = 0.5057
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2022 05 09    12 51 12.8 -15 06 56   0.9743  1.9090   148.5    16.1    22.6
...
2022 05 24    12 24 27.3 -11 14 23   0.9446  1.7528   127.1    27.4    22.7
...
2022 06 01    12 13 57.8 -09 20 45   0.9438  1.6652   116.5    33.0    22.7
...
2022 06 07    12 08 06.9 -08 05 28   0.9467  1.5974   109.0    36.9    22.8
2022 06 08    12 07 18.6 -07 53 52   0.9473  1.5859   107.8    37.5    22.8
2022 06 09    12 06 33.1 -07 42 33   0.9479  1.5744   106.6    38.2    22.8
...
2022 06 15    12 02 58.8 -06 40 32   0.9515  1.5042    99.7    41.7    22.8
...
2022 06 23    12 00 40.5 -05 33 14   0.9540  1.4076    91.1    46.2    22.8
...
2022 07 08    12 02 53.6 -04 08 47   0.9403  1.2170    76.8    54.4    22.6

A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-L70




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