MPEC 2015-O45 : 2009 SZ99
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M.P.E.C. 2015-O45 Issued 2015 July 23, 10:23 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 SZ99
Revision to MPEC 2009-S92
Additional Observations:
K09S99Z 2C2015 07 21.60971403 17 30.102+15 05 00.83 20.8 RtEO045568
K09S99Z 2C2015 07 21.61203703 17 30.624+15 05 07.66 21.0 RtEO045568
K09S99Z 2C2015 07 21.61365903 17 30.971+15 05 12.35 21.0 RtEO045568
K09S99Z 2C2015 07 22.61001203 21 17.101+15 53 38.43 20.5 RtEO045568
K09S99Z 2C2015 07 22.61140203 21 17.410+15 53 42.56 20.4 RtEO045568
K09S99Z 2C2015 07 22.61290703 21 17.751+15 53 46.99 20.3 RtEO045568
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 (or two decimals in degrees), reference and Delta-T
150721 568 0.13+ 0.33+ 150722 568 0.14+ 0.33+ MPO164377 -0.51 day
Orbital elements:
2009 SZ99 Earth MOID = 0.0570 AU
Epoch 2015 June 27.0 TT = JDT 2457200.5 MPC
M 187.53394 (2000.0) P Q
n 1.34008741 Peri. 147.46083 -0.59497103 -0.79219312
a 0.8147930 Node 338.07548 +0.63743950 -0.36217050
e 0.2144122 Incl. 21.32631 +0.48957160 -0.49118489
P 0.74 H 19.4 G 0.15 U 4
Residuals in seconds of arc
090922 G96 0.1- 0.0 090925 G96 0.1+ 0.1+ 091009 291 0.2+ 0.4+
090922 G96 0.0 0.1- 090925 G96 0.3+ 0.3- 091009 291 0.1- 0.1-
090922 G96 0.5+ 0.2- 090925 G96 0.4+ 0.2- 091009 291 0.1+ 0.0
090922 703 0.8+ 0.9+ 090925 G96 0.3+ 0.3+ 091010 291 0.0 0.2+
090922 G96 0.2- 0.2- 090925 G96 0.3+ 0.2- 091010 291 0.2+ 0.3+
090922 G96 0.0 0.1+ 090925 G96 0.2+ 0.1+ 091010 291 0.3+ 0.3+
090922 G96 0.0 0.3- 090925 G96 0.1+ 0.0 150721 568 0.0 0.0
090922 G96 0.5- 0.1- 090926 J95 0.1- 0.1+ 150721 568 0.1+ 0.0
090924 291 0.7+ 0.1- 090926 J95 1.2- 0.0 150721 568 0.0 0.1-
090924 291 0.2+ 0.4- 090927 291 0.0 0.6+ 150722 568 0.0 0.0
090924 291 0.6+ 1.0- 090927 291 0.0 0.3+ 150722 568 0.1- 0.0
090925 G96 0.1- 0.4- 090927 291 0.2- 0.0 150722 568 0.0 0.1+
Ephemeris:
2009 SZ99 a,e,i = 0.81, 0.21, 21 Q = 0.9895
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2015 06 23 01 51 09.7 -05 48 49 0.6701 0.9894 68.3 72.7 21.1
...
2015 07 08 02 32 06.3 +04 29 36 0.6291 0.9806 68.5 74.8 21.0
...
2015 07 16 02 57 31.2 +10 36 09 0.6086 0.9700 68.0 76.4 20.9
...
2015 07 22 03 18 57.3 +15 23 58 0.5957 0.9594 67.3 77.7 20.9
2015 07 23 03 22 45.9 +16 12 38 0.5938 0.9574 67.2 78.0 20.9
2015 07 24 03 26 39.0 +17 01 25 0.5921 0.9554 67.0 78.2 20.9
...
2015 07 30 03 51 41.1 +21 54 17 0.5838 0.9419 65.9 79.7 20.9
...
2015 08 07 04 30 23.9 +28 10 57 0.5801 0.9207 63.9 81.6 20.9
...
2015 08 22 06 01 40.8 +37 20 27 0.6013 0.8718 59.1 84.6 21.0
A. U. Tomatic (C) Copyright 2015 MPC M.P.E.C. 2015-O45
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