MPEC 2009-Y31 : 2009 YS
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M.P.E.C. 2009-Y31 Issued 2009 Dec. 19, 22:05 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 YS
Observations:
K09Y00S* C2009 12 19.37483 09 08 57.80 +62 40 48.3 18.2 V EY031703
K09Y00S C2009 12 19.37954 09 08 59.13 +62 41 12.1 18.3 V EY031703
K09Y00S C2009 12 19.38428 09 09 00.25 +62 41 36.1 18.2 V EY031703
K09Y00S C2009 12 19.38903 09 09 01.51 +62 41 59.4 18.4 V EY031703
K09Y00S C2009 12 19.45775 09 09 17.38 +62 47 03.2 18.1 V EY031703
K09Y00S C2009 12 19.46197 09 09 18.44 +62 47 19.5 18.2 V EY031703
K09Y00S C2009 12 19.46616 09 09 19.29 +62 47 35.1 18.3 V EY031703
K09Y00S C2009 12 19.47033 09 09 20.49 +62 47 52.7 18.4 R EY031854
K09Y00S C2009 12 19.47037 09 09 20.25 +62 47 51.1 18.3 V EY031703
K09Y00S C2009 12 19.47417 09 09 21.24 +62 48 06.3 18.6 R EY031854
K09Y00S C2009 12 19.47800 09 09 22.10 +62 48 20.2 18.8 R EY031854
K09Y00S C2009 12 19.48515 09 09 20.68 +62 48 28.1 18.3 R EY031H01
K09Y00S C2009 12 19.49042 09 09 21.98 +62 48 45.6 18.2 R EY031H01
K09Y00S C2009 12 19.49847 09 09 24.05 +62 49 11.8 18.1 R EY031H01
K09Y00S C2009 12 19.50427 09 09 25.54 +62 49 30.2 18.2 R EY031H01
K09Y00S C2009 12 19.74527 09 12 11.68 +63 05 26.3 18.4 R EY031300
K09Y00S C2009 12 19.74692 09 12 12.12 +63 05 33.6 18.6 R EY031300
K09Y00S C2009 12 19.74858 09 12 12.42 +63 05 40.9 18.5 R EY031300
K09Y00S C2009 12 19.75025 09 12 12.80 +63 05 47.0 18.2 R EY031300
K09Y00S C2009 12 19.75195 09 12 13.20 +63 05 52.9 18.0 R EY031300
Observer details:
300 Bisei Spaceguard Center--BATTeRS. Observers A. Asami, N. Hashimoto.
1.0-m f/3.0 reflector + CCD.
703 Catalina Sky Survey. Observer R. A. Kowalski. 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.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
Orbital elements:
2009 YS Earth MOID = 0.0040 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 31.00083 (2000.0) P Q
n 0.75668810 Peri. 338.64016 +0.49466307 -0.86124185
a 1.1926823 Node 81.54687 +0.81346095 +0.41164093
e 0.1796653 Incl. 6.76364 +0.30592440 +0.29801714
P 1.30 H 25.3 G 0.15 U 8
Residuals in seconds of arc
091219 703 0.2- 0.2+ 091219 854 0.7+ 0.6+ 091219 H01 0.1+ 0.1+
091219 703 0.5+ 0.1- 091219 703 0.5- 0.3- 091219 300 0.5- 0.7-
091219 703 0.2- 0.1+ 091219 854 0.2- 0.1+ 091219 300 0.2+ 0.1+
091219 703 0.2+ 0.2- 091219 854 0.3- 0.1+ 091219 300 0.1- 0.8+
091219 703 0.5- 0.1- 091219 H01 0.1+ 0.2+ 091219 300 0.1+ 0.3+
091219 703 0.2+ 0.2- 091219 H01 0.0 0.0 091219 300 0.4+ 0.5-
091219 703 0.5- 0.5- 091219 H01 0.2+ 0.0
Ephemeris:
2009 YS a,e,i = 1.19, 0.18, 7 q = 0.9784
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 12 15 07 50.49 +47 21.4 0.00747 0.990 143.0 36.7 16.1
2009 12 16 08 16.91 +54 14.7 0.00992 0.991 136.7 42.9 16.9
2009 12 17 08 37.02 +58 07.8 0.0125 0.993 132.9 46.5 17.5
2009 12 18 08 52.53 +60 32.6 0.0151 0.994 130.6 48.7 18.0
2009 12 19 09 04.68 +62 09.2 0.0177 0.995 129.1 50.1 18.4
2009 12 20 09 14.32 +63 17.2 0.0204 0.997 128.1 51.0 18.7
2009 12 21 09 22.06 +64 07.0 0.0231 0.998 127.4 51.6 19.0
2009 12 22 09 28.32 +64 44.5 0.0258 0.999 126.9 51.9 19.3
2009 12 23 09 33.42 +65 13.5 0.0284 1.001 126.7 52.0 19.5
2009 12 24 09 37.59 +65 36.3 0.0311 1.002 126.5 52.0 19.7
2009 12 25 09 40.99 +65 54.4 0.0338 1.004 126.5 52.0 19.9
2009 12 26 09 43.77 +66 08.9 0.0365 1.006 126.5 51.8 20.0
2009 12 27 09 46.01 +66 20.6 0.0392 1.007 126.6 51.7 20.2
2009 12 28 09 47.81 +66 29.9 0.0419 1.009 126.7 51.4 20.3
2009 12 29 09 49.22 +66 37.3 0.0446 1.011 126.8 51.1 20.5
2009 12 30 09 50.29 +66 43.1 0.0473 1.013 127.0 50.8 20.6
2009 12 31 09 51.06 +66 47.6 0.0500 1.014 127.2 50.5 20.7
2010 01 01 09 51.57 +66 50.9 0.0527 1.016 127.4 50.2 20.8
2010 01 02 09 51.85 +66 53.1 0.0554 1.018 127.7 49.8 20.9
2010 01 03 09 51.90 +66 54.4 0.0582 1.020 127.9 49.5 21.0
2010 01 04 09 51.76 +66 54.9 0.0609 1.022 128.2 49.1 21.1
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-Y31
Read MPEC 2009-Y30
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- 1997-B01 (the full form)
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- B01 (the abbreviated form)
