MPEC 2009-X42 : 2009 XA2
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M.P.E.C. 2009-X42 Issued 2009 Dec. 12, 14:16 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
2009 XA2
Observations:
K09X02A C2009 12 11.29165 04 00 41.83 +14 24 44.1 19.9 V EX042703
K09X02A C2009 12 11.29893 04 00 42.98 +14 23 20.5 19.5 V EX042703
K09X02A C2009 12 11.30620 04 00 44.10 +14 21 57.4 19.9 V EX042703
K09X02A C2009 12 11.31344 04 00 45.32 +14 20 33.3 19.9 V EX042703
K09X02A* C2009 12 11.32674 04 00 47.52 +14 18 01.8 19.6 V EX042703
K09X02A C2009 12 11.33472 04 00 48.90 +14 16 31.5 19.8 V EX042703
K09X02A C2009 12 11.34263 04 00 50.13 +14 14 59.4 19.7 V EX042703
K09X02A C2009 12 11.35059 04 00 51.45 +14 13 29.2 EX042703
K09X02A KC2009 12 11.42538 04 01 04.19 +13 59 19.4 EX042926
K09X02A KC2009 12 11.42809 04 01 04.69 +13 58 49.1 EX042926
K09X02A C2009 12 11.43080 04 01 05.18 +13 58 18.2 19.9 R EX042926
K09X02A C2009 12 12.18777 04 03 23.28 +11 43 45.0 19.2 V EX042G96
K09X02A C2009 12 12.18835 04 03 23.39 +11 43 40.5 19.3 V EX042G96
K09X02A C2009 12 12.18889 04 03 23.45 +11 43 34.6 19.5 V EX042G96
K09X02A C2009 12 12.18952 04 03 23.59 +11 43 29.3 19.5 V EX042G96
K09X02A C2009 12 12.20954604 03 24.92 +11 39 59.1 19.9 V EX042H21
K09X02A C2009 12 12.21818804 03 26.16 +11 38 31.8 19.8 V EX042H21
K09X02A C2009 12 12.22115104 03 26.59 +11 38 01.8 19.9 V EX042H21
K09X02A C2009 12 12.40491 04 03 54.16 +11 07 36.3 20.5 R EX042926
K09X02A C2009 12 12.41097 04 03 55.07 +11 06 36.6 20.1 R EX042926
K09X02A C2009 12 12.41779 04 03 56.10 +11 05 30.1 20.3 R EX042926
Observer details:
703 Catalina Sky 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. 0.68-m Schmidt + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer R. E. Hill. 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurer S. Foglia.
Orbital elements:
2009 XA2 Earth MOID = 0.0792 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 41.40810 (2000.0) P Q
n 0.50224933 Peri. 107.67635 +0.90060689 -0.03115565
a 1.5674360 Node 255.89053 -0.08985752 +0.96253161
e 0.4561884 Incl. 26.55148 +0.42524446 +0.26937375
P 1.96 H 23.2 G 0.15 U 8
Residuals in seconds of arc
091211 703 0.8+ 0.1+ 091211 703 0.7- 0.0 091212 G96 0.7+ 1.0+
091211 703 0.2+ 0.0 091211 926 0.2+ 0.2- 091212 H21 0.0 0.0
091211 703 0.9- 0.3+ 091211 926 0.6+ 0.2+ 091212 H21 0.1- 0.0
091211 703 0.5- 0.8- 091211 926 0.9+ 0.0 091212 H21 0.0 0.1-
091211 703 0.4- 0.0 091212 G96 0.2- 0.9- 091212 926 0.4- 0.5-
091211 703 0.5+ 1.0+ 091212 G96 0.2+ 0.4+ 091212 926 0.2- 0.3-
091211 703 0.7- 0.7- 091212 G96 0.1- 0.0 091212 926 0.0 0.5+
Ephemeris:
2009 XA2 a,e,i = 1.57, 0.46, 27 q = 0.8524
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 12 05 03 21.79 +45 18.3 0.0835 1.060 151.4 26.5 19.1
2009 12 06 03 32.36 +38 50.4 0.0873 1.066 156.7 21.4 19.1
2009 12 07 03 40.43 +32 56.2 0.0922 1.073 160.7 17.7 19.1
2009 12 08 03 46.79 +27 39.4 0.0981 1.079 163.0 15.5 19.2
2009 12 09 03 51.94 +22 59.9 0.105 1.086 163.6 14.8 19.3
2009 12 10 03 56.19 +18 55.3 0.112 1.093 162.9 15.4 19.5
2009 12 11 03 59.77 +15 22.1 0.120 1.099 161.4 16.6 19.7
2009 12 12 04 02.83 +12 16.4 0.129 1.106 159.5 18.2 19.9
2009 12 13 04 05.49 +09 34.6 0.138 1.113 157.5 19.8 20.1
2009 12 14 04 07.83 +07 13.2 0.147 1.120 155.5 21.4 20.3
2009 12 15 04 09.91 +05 09.4 0.156 1.127 153.6 22.8 20.5
2009 12 16 04 11.78 +03 20.6 0.166 1.134 151.8 24.2 20.7
2009 12 17 04 13.48 +01 44.8 0.176 1.140 150.2 25.4 20.9
2009 12 18 04 15.04 +00 20.1 0.186 1.147 148.6 26.5 21.1
2009 12 19 04 16.48 -00 55.0 0.197 1.154 147.2 27.5 21.2
2009 12 20 04 17.83 -02 01.7 0.207 1.161 145.8 28.4 21.4
2009 12 21 04 19.09 -03 01.1 0.218 1.168 144.5 29.3 21.5
2009 12 22 04 20.28 -03 54.1 0.229 1.175 143.3 30.0 21.6
2009 12 23 04 21.42 -04 41.5 0.240 1.182 142.2 30.7 21.8
2009 12 24 04 22.51 -05 23.9 0.251 1.189 141.1 31.3 21.9
2009 12 25 04 23.56 -06 01.9 0.262 1.196 140.1 31.8 22.0
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-X42
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- B01 (the abbreviated form)
