MPEC 2008-X18 : 1999 VF22
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M.P.E.C. 2008-X18 Issued 2008 Dec. 2, 12:56 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
1999 VF22
Revision to MPEC 1999-V44
Additional Observations:
J99V22F C2008 12 01.16589 00 07 05.41 +09 17 52.6 21.1 V EX018G96
J99V22F C2008 12 01.17246 00 07 06.99 +09 17 59.2 21.6 V EX018G96
J99V22F C2008 12 01.17905 00 07 08.47 +09 18 05.2 21.1 V EX018G96
J99V22F C2008 12 01.18557 00 07 09.98 +09 18 11.9 21.5 V EX018G96
J99V22F C2008 12 01.21708 00 07 17.47 +09 18 42.5 20.5 V EX018G96
J99V22F C2008 12 01.22467 00 07 19.23 +09 18 50.5 21.1 V EX018G96
J99V22F C2008 12 01.23231 00 07 21.00 +09 18 57.0 20.5 V EX018G96
J99V22F C2008 12 01.23991 00 07 22.76 +09 19 04.9 20.9 V EX018G96
J99V22F C2008 12 02.13666 00 10 53.68 +09 33 20.3 21.0 V EX018G96
J99V22F C2008 12 02.14381 00 10 55.30 +09 33 27.5 21.0 V EX018G96
J99V22F C2008 12 02.15098 00 10 56.92 +09 33 33.4 21.6 V EX018G96
J99V22F C2008 12 02.15811 00 10 58.51 +09 33 39.8 21.5 V EX018G96
J99V22F C2008 12 02.25359 00 11 19.71 +09 35 07.6 20.8 R EX018H01
J99V22F C2008 12 02.25729 00 11 20.53 +09 35 11.4 20.9 R EX018H01
J99V22F C2008 12 02.26107 00 11 21.37 +09 35 14.4 20.7 R EX018H01
J99V22F C2008 12 02.26487 00 11 22.27 +09 35 17.6 20.9 R EX018H01
Observer details:
G96 Mt. Lemmon Survey. Observer E. Beshore. Measurers E. C. Beshore,
A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
081201 G96 6.56- 3.28- 081202 H01 6.24- 3.11- MPO 57713 +3.8 day
Orbital elements:
1999 VF22 PHA, Earth MOID = 0.0348 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 MPC
M 43.51645 (2000.0) P Q
n 0.65488586 Peri. 271.39462 +0.08959285 +0.99596848
a 1.3132850 Node 3.75432 -0.88455123 +0.08162788
e 0.7386457 Incl. 3.90777 -0.45775785 +0.03719787
P 1.51 H 20.6 G 0.15 U 5
Residuals in seconds of arc
991110 703 0.1- 0.3+ 991112 651 0.6- 0.6+ 991113 587 0.5+ 0.2-
991110 703 0.3+ 0.4+ 991112 651 0.1+ 0.2- 991113 587 0.7- 0.4-
991110 703 0.4+ 0.0 991112 651 0.1+ 0.1- 991114 853 0.6- 0.5-
991110 703 0.0 0.1- 991112 719 0.2+ 0.4- 991114 853 0.6- 0.5-
991110 853 0.2- 0.1- 991112 719 0.0 1.0- 991114 853 0.5- 0.2-
991110 853 0.2- 0.1- 991112 595 0.5+ 0.7- 991114 706 0.2- 0.3-
991110 853 0.4- 0.1- 991112 104 0.5+ 0.5+ 991114 706 0.6- 0.4-
991111 853 0.3- 0.0 991112 595 1.1+ 0.9+ 991114 706 1.2- 0.8-
991111 853 0.1- 0.1- 991112 104 0.5+ 0.4+ 991203 658 0.5+ 1.0+
991111 681 1.1- 1.1+ 991112 104 0.3+ 0.7+ 991203 658 0.3+ 0.2+
991111 681 0.8- 0.3+ 991112 595 0.4+ 0.1+ 991203 658 0.3- 0.7+
991111 681 0.3- 1.1+ 991112 104 0.5+ 0.4+ 081201 G96 0.1+ 0.2-
991111 651 1.1+ 0.3+ 991112 595 0.1+ 0.1+ 081201 G96 0.7+ 0.0
991111 651 0.7+ 0.1- 991112 596 1.1+ 0.3- 081201 G96 0.3- 0.4-
991111 651 0.6+ 0.5+ 991112 596 1.5+ 0.1- 081201 G96 0.6- 0.1-
991111 681 0.9+ 0.9- 991113 474 0.5- 0.4+ 081201 G96 0.8+ 0.1-
991111 681 0.0 0.2- 991113 474 0.4- 0.4+ 081201 G96 0.5+ 0.5+
991111 681 0.2+ 0.6+ 991113 474 0.1- 0.0 081201 G96 0.1+ 0.4-
991111 681 0.6+ 1.5+ 991113 474 0.2- 0.6+ 081201 G96 0.3- 0.1+
991111 118 0.2+ 0.0 991113 474 0.6- 0.0 081202 G96 0.5- 0.3-
991111 118 0.0 0.2+ 991113 402 1.1- 0.0 081202 G96 0.0 0.2+
991111 118 0.4- 0.4+ 991113 402 0.1- 0.6- 081202 G96 0.3+ 0.5-
991112 853 0.1- 0.0 991113 402 0.6- 1.2- 081202 G96 0.4+ 0.7-
991112 853 0.2- 0.1+ 991113 402 0.5- 0.1+ 081202 H01 0.2- 0.1+
991112 853 0.1- 0.0 991113 595 0.8+ 0.8- 081202 H01 0.3- 0.6+
991112 719 0.0 0.2- 991113 595 0.7- 0.2- 081202 H01 0.4- 0.1+
991112 719 1.4+ 1.7- 991113 595 1.9- 0.9- 081202 H01 0.3+ 0.1-
Ephemeris:
1999 VF22 a,e,i = 1.31, 0.74, 4 q = 0.3432
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 11 30 00 02.26 +08 58.2 0.437 1.241 115.8 45.7 21.0
2008 12 05 00 21.10 +10 14.5 0.521 1.298 115.6 43.2 21.4
2008 12 10 00 36.19 +11 14.4 0.606 1.353 114.4 41.5 21.8
2008 12 15 00 48.91 +12 04.4 0.695 1.406 112.6 40.3 22.1
2008 12 20 01 00.08 +12 48.3 0.785 1.456 110.3 39.3 22.5
2008 12 25 01 10.22 +13 28.5 0.877 1.505 107.8 38.5 22.7
2008 12 30 01 19.67 +14 06.3 0.971 1.551 105.1 37.7 23.0
2009 01 04 01 28.64 +14 42.5 1.065 1.596 102.3 37.0 23.3
2009 01 09 01 37.28 +15 17.7 1.161 1.638 99.3 36.3 23.5
2009 01 14 01 45.70 +15 52.0 1.257 1.679 96.4 35.6 23.7
2009 01 19 01 53.95 +16 25.7 1.353 1.719 93.3 34.9 23.9
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-X18
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