MPEC 2008-Q56 : 2006 XA
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M.P.E.C. 2008-Q56 Issued 2008 Aug. 30, 19:53 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 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@CFA.HARVARD.EDU
URL http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2006 XA
Revision to MPEC 2006-X14
Additional Observations:
K06X00A C2008 08 28.29635 00 59 29.84 +19 26 56.1 23.1 EQ056H55
K06X00A C2008 08 28.32147 00 59 28.98 +19 26 54.6 23.1 EQ056H55
K06X00A C2008 08 28.34693 00 59 28.08 +19 26 53.1 23.0 EQ056H55
K06X00A C2008 08 30.30098 00 58 17.83 +19 24 31.5 22.9 EQ056H55
K06X00A C2008 08 30.32487 00 58 16.93 +19 24 29.9 22.9 EQ056H55
K06X00A C2008 08 30.35015 00 58 15.93 +19 24 27.5 22.8 EQ056H55
Observer details:
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer H. Devore. 0.81-m f/4.0 astrograph + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
080828 H55 4.1- 0.4- 080830 H55 4.0- 0.8- MPO122863 +0.016 day
Orbital elements:
2006 XA Earth MOID = 0.0900 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 192.64108 (2000.0) P Q
n 0.30276883 Peri. 300.71695 -0.95778797 +0.23107673
a 2.1964868 Node 253.10741 -0.16180046 -0.92502666
e 0.5485563 Incl. 10.29554 -0.23761905 -0.30154474
P 3.26 H 17.3 G 0.15 U 2
Residuals in seconds of arc
061201 703 0.2- 0.1- 061224 448 0.4+ 0.8+ 070618 H55 0.4+ 0.3+
061201 703 0.6- 0.8- 061224 448 (0.8- 2.1+) 070618 H55 0.1+ 0.2+
061201 703 0.9- 0.5+ 061227 246 0.3+ 0.3+ 070618 H55 0.2+ 0.2+
061201 703 1.2- 0.0 061227 246 0.4+ 0.6+ 070618 H55 0.0 0.3+
061201 703 0.4- 0.3- 061227 246 0.4+ 0.3+ 070618 H55 0.1+ 0.3+
061201 703 0.3- 0.1+ 061227 246 0.3+ 0.6+ 070702 H55 0.3- 0.2+
061201 703 0.3- 0.2- 061227 246 0.7+ 0.2+ 070702 H55 0.1- 0.4+
061201 703 0.0 0.2+ 061227 246 0.2+ 0.4+ 070702 H55 0.8- 0.4+
061202 H55 0.2- 0.2+ 061228 246 0.9+ 0.8+ 070702 H55 0.2- 0.4+
061202 H55 0.3+ 0.3- 061228 246 0.7+ 0.7+ 070702 H55 0.2- 0.3+
061202 H55 0.3+ 0.7- 061228 246 0.2+ 0.9+ 070706 198 0.3+ 0.3+
061203 448 0.7+ 0.7- 061228 246 0.4- 0.4+ 070706 198 0.3+ 0.3+
061203 448 0.0 0.1+ 061228 246 0.5+ 0.5+ 070706 198 0.3+ 0.2+
061203 448 (4.7+ 2.7-) 061228 246 0.5+ 0.3+ 070706 198 0.3+ 0.1+
061204 H36 1.7- 0.8+ 061230 246 0.0 0.0 070706 198 0.3+ 0.0
061204 H36 0.9+ 0.4- 061230 246 0.6+ 0.5+ 070713 130 0.1+ 0.2+
061213 734 1.3- 0.5+ 061230 246 0.8+ 0.1+ 070713 130 0.3+ 0.1-
061213 734 0.0 0.2- 061230 246 0.4+ 0.2+ 070713 130 0.3+ 0.3+
061213 734 1.0- 0.0 061230 246 0.2+ 0.0 070713 130 0.1+ 0.1-
061213 734 0.2+ 0.0 061230 246 0.2+ 0.1+ 070714 A13 0.8- 0.2+
061213 734 0.2- 0.5+ 070105 448 0.5+ 0.5- 070714 A13 0.7- 0.1+
061214 G96 0.2- 0.6- 070105 448 1.4- 0.7- 070714 A13 0.7- 0.0
061214 G96 0.6- 0.2- 070105 448 0.2+ 0.0 070715 A13 1.1- 0.2-
061214 G96 0.4- 0.1- 070110 448 0.1- 0.4- 070715 A13 0.1- 0.0
061214 G96 0.3- 0.3- 070110 448 0.3- 0.1- 070717 H45 0.2+ 0.1+
061216 703 0.7- 1.3+ 070110 448 0.4+ 0.1- 070717 H45 0.3+ 0.1-
061216 703 0.3- 0.3+ 070128 E12 0.0 0.4+ 070717 H45 0.1+ 0.1+
061216 703 0.9- 0.1- 070128 E12 0.3+ 0.3+ 070717 H45 0.1- 0.2+
061216 G96 0.4- 0.1+ 070128 E12 0.3- 0.5+ 070717 H45 0.1- 0.4+
061216 G96 0.1- 0.0 070128 E12 0.2- 0.2+ 070719 H45 0.3+ 0.1-
061216 G96 0.2- 0.1- 070319 474 0.0 0.8- 070719 H45 0.3+ 0.2-
061216 G96 0.3- 0.1- 070319 474 0.5+ 0.6- 070719 H45 0.4+ 0.0
061216 G96 0.2- 0.1+ 070319 474 0.0 0.5+ 070719 H45 0.0 0.2-
061216 G96 0.4- 0.1+ 070319 474 0.6- 0.3- 070724 H45 0.0 0.3+
061216 G96 0.1- 0.0 070426 448 0.5+ 0.7- 070724 H45 0.2- 0.1+
061216 G96 0.2- 0.2+ 070426 448 0.2+ 0.0 070724 H45 0.1+ 0.0
061221 703 1.0- 0.1- 070426 448 0.5- 0.2+ 070724 H45 0.3+ 0.1-
061221 703 0.0 0.5+ 070504 448 1.2- 0.5- 070724 H45 0.5+ 0.2+
061221 703 0.6+ 0.2- 070504 448 1.1- 0.7- 070724 H45 0.4+ 0.3+
061221 703 (2.1- 0.3+) 070504 448 1.1+ 0.4+ 070803 H55 0.4- 0.1-
061224 246 0.3+ 0.5- 070513 448 0.0 0.0 070803 H55 0.0 0.2+
061224 246 0.6+ 0.2- 070513 448 0.4- 0.1+ 070803 H55 0.5+ 0.2+
061224 246 0.9+ 0.1+ 070513 448 0.3- 0.2+ 080828 H55 0.6- 0.5+
061224 246 0.4+ 0.6+ 070520 703 0.2- 1.1- 080828 H55 0.0 0.5+
061224 246 0.4+ 0.2+ 070520 703 0.8- 0.7+ 080828 H55 0.2+ 0.6+
061224 246 0.7+ 0.1- 070520 703 0.8- 0.1+ 080830 H55 0.2- 0.1+
061224 246 1.1+ 0.1+ 070520 703 0.2+ 0.1+ 080830 H55 0.0 0.5+
061224 246 0.6+ 0.1+ 070618 H55 0.1+ 0.5+ 080830 H55 0.5- 0.1+
Ephemeris:
2006 XA a,e,i = 2.20, 0.55, 10 q = 0.9916
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 08 22 01 02.73 +19 30.1 2.680 3.377 126.2 14.0 22.9
2008 09 01 00 57.22 +19 22.0 2.579 3.385 136.7 11.8 22.7
2008 09 11 00 49.81 +18 56.4 2.500 3.391 147.4 9.2 22.6
2008 09 21 00 40.97 +18 13.4 2.445 3.396 157.8 6.4 22.4
2008 10 01 00 31.34 +17 14.2 2.419 3.399 166.0 4.1 22.2
2008 10 11 00 21.71 +16 03.0 2.424 3.401 165.9 4.1 22.3
2008 10 21 00 12.90 +14 45.4 2.460 3.401 157.6 6.4 22.4
2008 10 31 00 05.56 +13 27.8 2.525 3.400 146.9 9.2 22.6
2008 11 10 00 00.16 +12 16.2 2.616 3.398 136.0 11.7 22.8
2008 11 20 23 56.91 +11 15.0 2.727 3.394 125.2 13.8 22.9
2008 11 30 23 55.84 +10 27.0 2.855 3.389 114.8 15.3 23.1
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-Q56
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