MPEC 2008-W67 : 2001 VR78
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M.P.E.C. 2008-W67 Issued 2008 Nov. 25, 17:35 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
2001 VR78
Revision to MPEC 2001-W28
Additional Observations:
K01V78R C1998 11 15.36870 03 39 02.99 +17 05 22.4 20.4 V EW067691
K01V78R C1998 11 15.39070 03 39 01.05 +17 04 54.7 20.4 V EW067691
K01V78R C1998 11 15.41211 03 38 59.17 +17 04 27.6 20.5 V EW067691
K01V78R C2008 11 24.38200 05 12 34.20 -12 02 04.1 19.4 V EW067703
K01V78R C2008 11 24.38767 05 12 33.73 -12 02 10.7 19.7 V EW067703
K01V78R C2008 11 24.39368 05 12 33.22 -12 02 19.6 19.1 V EW067703
K01V78R C2008 11 24.39965 05 12 32.83 -12 02 26.1 20.4 V EW067703
K01V78R C2008 11 24.58792 05 12 17.91 -12 06 18.1 19.4 R EW067E12
K01V78R C2008 11 25.00551 05 11 44.34 -12 15 05.4 EW067J95
K01V78R C2008 11 25.06001 05 11 39.96 -12 16 12.1 18.9 R EW067J95
K01V78R C2008 11 25.37231 05 11 14.74 -12 22 39.7 19.1 R EW067H36
K01V78R C2008 11 25.38694 05 11 13.56 -12 22 57.5 19.3 R EW067H36
K01V78R C2008 11 25.39181 05 11 13.15 -12 23 03.5 19.8 R EW067H36
Observer details:
691 Steward Observatory, Kitt Peak. 0.9-m Spacewatch telescope.
703 Catalina Sky Survey. Observer A. Boattini. Measurers E. C. Beshore,
A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson. 0.68-m Schmidt + CCD.
E12 Siding Spring Survey. Observer G. J. Garradd. 0.5-m Uppsala Schmidt
+ CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees) and reference
981115 691 0.47- 0.50+ 081125 H36 1.10+ 0.97- MPO 23917
Orbital elements:
2001 VR78
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 221.10537 (2000.0) P Q
n 0.30547458 Peri. 1.48527 -0.57416515 +0.46679898
a 2.1834973 Node 234.12127 -0.75947841 -0.61053186
e 0.2259219 Incl. 56.11348 -0.30582172 +0.63980431
P 3.23 H 15.9 G 0.15 U 3
Residuals in seconds of arc
981115 691 0.1- 0.2- 011117 704 1.3+ 0.0 011202 715 0.2+ 1.0+
981115 691 0.2- 0.1- 011117 704 1.0+ 0.4+ 081124 703 0.5+ 0.6+
981115 691 0.2- 0.2- 011117 704 0.1- 0.6+ 081124 703 0.4+ 1.1+
011111 704 0.3- 1.0+ 011118 704 1.0+ 0.1- 081124 703 0.1+ 0.2-
011111 704 0.3- 0.1+ 011118 704 0.5+ 0.6- 081124 703 1.5+ 0.7+
011111 704 0.2+ 0.5+ 011118 704 0.5+ 0.3- 081124 E12 0.6+ 0.5-
011111 704 0.3+ 0.6+ 011118 704 0.2- 0.7- 081125 J95 0.9- 0.6-
011114 557 0.0 0.2+ 011119 704 0.0 0.4- 081125 J95 0.1+ 0.5+
011114 557 0.3- 0.5+ 011119 704 0.3+ 0.4+ 081125 H36 0.4+ 0.3-
011115 046 1.9- 1.7- 011119 704 0.9+ 0.3+ 081125 H36 0.8+ 0.0
011115 046 0.4- 0.5- 011202 715 0.0 0.5+ 081125 H36 0.6+ 0.0
011115 046 1.2- 0.5- 011202 715 0.7- 0.3+
Ephemeris:
2001 VR78 a,e,i = 2.18, 0.23, 56 q = 1.6902
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 11 20 05 18.20 -10 28.0 1.756 2.605 141.7 13.6 20.0
2008 11 30 05 04.86 -13 54.8 1.736 2.593 143.1 13.2 19.9
2008 12 10 04 50.46 -16 46.9 1.747 2.580 140.1 14.2 20.0
2008 12 20 04 36.39 -18 55.4 1.786 2.567 133.7 16.1 20.1
2008 12 30 04 23.96 -20 18.1 1.850 2.552 125.7 18.2 20.2
2009 01 09 04 14.18 -20 59.3 1.931 2.537 117.2 20.2 20.4
2009 01 19 04 07.53 -21 07.5 2.025 2.520 108.8 21.7 20.5
2009 01 29 04 04.16 -20 51.1 2.125 2.503 100.8 22.7 20.6
2009 02 08 04 03.93 -20 18.4 2.226 2.486 93.3 23.3 20.7
2009 02 18 04 06.55 -19 36.0 2.325 2.467 86.3 23.6 20.8
2009 02 28 04 11.71 -18 48.8 2.420 2.447 79.8 23.5 20.9
2009 03 10 04 19.11 -18 00.9 2.506 2.427 74.0 23.2 20.9
2009 03 20 04 28.46 -17 15.2 2.583 2.406 68.7 22.7 21.0
2009 03 30 04 39.55 -16 33.8 2.649 2.385 63.9 22.1 21.0
2009 04 09 04 52.18 -15 58.8 2.705 2.362 59.6 21.5 21.0
2009 04 19 05 06.21 -15 31.6 2.750 2.339 55.9 20.8 21.0
2009 04 29 05 21.53 -15 13.3 2.783 2.316 52.7 20.2 21.0
2009 05 09 05 38.02 -15 05.2 2.807 2.292 50.0 19.7 20.9
2009 05 19 05 55.62 -15 07.9 2.821 2.267 47.7 19.3 20.9
2009 05 29 06 14.27 -15 22.1 2.826 2.242 45.9 18.9 20.9
2009 06 08 06 33.90 -15 48.4 2.824 2.216 44.4 18.7 20.8
2009 06 18 06 54.48 -16 27.0 2.817 2.190 43.2 18.5 20.8
2009 06 28 07 15.96 -17 17.8 2.805 2.164 42.3 18.4 20.8
2009 07 08 07 38.31 -18 20.5 2.790 2.137 41.5 18.4 20.7
2009 07 18 08 01.47 -19 34.3 2.773 2.110 40.7 18.3 20.7
2009 07 28 08 25.44 -20 58.2 2.756 2.083 40.0 18.3 20.6
2009 08 07 08 50.14 -22 30.5 2.739 2.056 39.2 18.2 20.6
2009 08 17 09 15.55 -24 09.2 2.724 2.029 38.4 18.0 20.5
2009 08 27 09 41.63 -25 52.3 2.709 2.002 37.4 17.8 20.5
2009 09 06 10 08.33 -27 37.1 2.697 1.976 36.3 17.6 20.5
2009 09 16 10 35.60 -29 20.9 2.685 1.950 35.1 17.2 20.4
2009 09 26 11 03.40 -31 01.1 2.674 1.924 33.8 16.9 20.4
2009 10 06 11 31.65 -32 34.8 2.662 1.899 32.7 16.5 20.3
2009 10 16 12 00.28 -33 59.4 2.649 1.875 31.7 16.2 20.3
Brian G. Marsden (C) Copyright 2008 MPC M.P.E.C. 2008-W67
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