MPEC 2015-Q04 : 2009 SP
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M.P.E.C. 2015-Q04 Issued 2015 Aug. 16, 17:38 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 https://www.minorplanetcenter.net/ ISSN 1523-6714
2009 SP
Revision to MPEC 2009-S26
Additional Observations:
K09S00P 2C2015 07 22.36724818 11 03.705+11 39 55.43 23.5 RtEQ004568
K09S00P 2C2015 08 13.32887617 56 19.875+08 36 41.16 24.5 RtEQ004568
K09S00P 2C2015 08 13.34039817 56 19.569+08 36 34.35 24.5 RtEQ004568
K09S00P 2C2015 08 13.35197617 56 19.250+08 36 27.40 24.4 RtEQ004568
K09S00P 2C2015 08 13.36360217 56 18.944+08 36 20.63 24.3 RtEQ004568
K09S00P 2C2015 08 13.37518517 56 18.631+08 36 13.78 24.0 RtEQ004568
Observer details:
568 Mauna Kea. Observer D. J. Tholen. 2.24-m University of Hawaii reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
150722 568 21.0- 1.7- 150813 568 18.9- 1.4- MPO221136 +0.035 day
Orbital elements:
2009 SP Earth MOID = 0.3504 AU
Epoch 2015 June 27.0 TT = JDT 2457200.5 MPC
M 237.13321 (2000.0) P Q
n 0.29794581 Peri. 256.22388 +0.26732795 -0.96350003
a 2.2201272 Node 178.08596 +0.96298462 +0.26765775
e 0.4936427 Incl. 25.28196 -0.03458874 +0.00519875
P 3.31 H 19.5 G 0.15 U 1
Residuals in seconds of arc
090917 G96 0.1+ 0.1- 090924 D21 0.5- 0.4+ 100214 C51 0.5- 1.1-
090917 G96 0.1+ 0.3- 090924 D21 (0.2+ 2.1+) 100214 C51 0.7+ 0.5+
090917 G96 0.1- 0.2- 090926 645 0.1+ 0.2+ 100214 C51 0.8- 0.2+
090917 G96 0.2+ 0.1- 090926 645 0.0 0.1- 100214 C51 0.2+ 0.1-
090917 G96 0.4- 0.1+ 090926 645 0.0 0.0 100214 C51 0.4- 0.9+
090917 G96 0.3- 0.0 090927 J24 0.0 0.3+ 100214 C51 0.1- 0.4-
090917 G96 0.4- 0.2- 090927 J24 (0.9+ 3.1+) 100214 C51 0.8- 0.9+
090917 G96 0.2- 0.0 090927 J24 (0.8+ 2.9+) 100304 291 0.2+ 0.2+
090917 F65 0.3- 0.1- 091005 H55 0.2- 1.3- 100304 291 0.7+ 0.5+
090917 F65 0.1- 0.2+ 091005 H55 0.2+ 1.0- 100304 291 0.0 0.6-
090917 F65 0.3- 0.0 091005 H55 0.8+ 0.2+ 150722 568 0.1+ 0.1+
090917 J95 0.1- 0.1+ 091015 448 0.3+ 0.1- 150813 568 0.0 0.0
090917 J95 0.2+ 0.1+ 091015 448 0.8- 0.1+ 150813 568 0.1+ 0.0
090917 J95 0.1- 0.1+ 091015 448 0.2+ 0.2- 150813 568 0.1- 0.1-
090921 I20 1.0+ 0.1- 091021 H55 0.1- 0.1- 150813 568 0.0 0.0
090921 I20 0.7+ 0.2- 091021 H55 0.3- 0.1+ 150813 568 0.1- 0.0
090921 I20 0.7+ 0.6- 091021 H55 0.8- 0.2+
Ephemeris:
2009 SP a,e,i = 2.22, 0.49, 25 q = 1.1242
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2015 07 17 18 16 01.5 +12 10 57 2.1616 3.0139 140.2 12.5 24.3
...
2015 08 01 18 03 21.1 +10 29 01 2.1990 2.9689 131.3 14.9 24.4
...
2015 08 09 17 58 23.7 +09 18 18 2.2369 2.9435 125.5 16.3 24.5
...
2015 08 15 17 55 39.6 +08 20 10 2.2724 2.9239 120.8 17.3 24.5
2015 08 16 17 55 17.4 +08 10 09 2.2788 2.9206 120.0 17.5 24.5
2015 08 17 17 54 56.8 +08 00 04 2.2853 2.9172 119.3 17.6 24.5
...
2015 08 23 17 53 24.7 +06 58 15 2.3273 2.8969 114.5 18.5 24.6
...
2015 08 31 17 52 46.8 +05 33 52 2.3892 2.8689 108.2 19.5 24.7
...
2015 09 15 17 55 47.7 +02 56 37 2.5176 2.8139 96.4 20.8 24.8
A. U. Tomatic (C) Copyright 2015 MPC M.P.E.C. 2015-Q04
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