MPEC 2011-S41 : 2011 SF25
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M.P.E.C. 2011-S41 Issued 2011 Sept. 22, 21:39 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
2011 SF25
Observations:
K11S25F* C2011 09 20.94807 01 31 46.86 +25 30 11.6 18.2 VrES041J75
K11S25F C2011 09 20.95862 01 31 49.56 +25 31 24.9 18.5 VrES041J75
K11S25F C2011 09 20.96925 01 31 52.20 +25 32 36.6 18.6 VrES041J75
K11S25F C2011 09 20.98377101 31 55.77 +25 34 16.2 18.5 VrES041J75
K11S25F C2011 09 20.98708701 31 56.60 +25 34 38.5 18.4 VrES041J75
K11S25F C2011 09 20.99026901 31 57.38 +25 35 00.6 18.5 VrES041J75
K11S25F C2011 09 21.00297 01 31 58.17 +25 36 23.0 18.1 RuES041B18
K11S25F C2011 09 21.00647 01 31 59.03 +25 36 46.5 17.9 RuES041B18
K11S25F C2011 09 21.00999 01 31 59.88 +25 37 09.8 17.9 RuES041B18
K11S25F KC2011 09 21.01928 01 32 04.29 +25 38 12.9 18.4 VvES041I93
K11S25F KC2011 09 21.02268 01 32 05.13 +25 38 36.0 18.5 VvES041I93
K11S25F KC2011 09 21.02720 01 32 06.25 +25 39 07.0 18.4 VvES041I93
K11S25F KC2011 09 21.03545 01 32 08.30 +25 40 03.0 18.6 VvES041I93
K11S25F KC2011 09 21.03883801 32 09.31 +25 40 31.7 18.5 VrES041J75
K11S25F KC2011 09 21.04231101 32 10.14 +25 40 55.2 18.4 VrES041J75
K11S25F C2011 09 21.05870 01 32 12.02 +25 42 38.0 18.0 RuES041B18
K11S25F C2011 09 21.06366 01 32 13.26 +25 43 11.3 17.9 RuES041B18
K11S25F C2011 09 21.06898 01 32 14.57 +25 43 46.4 17.8 RuES041B18
K11S25F KC2011 09 21.25386501 33 07.05 +26 04 51.8 18.5 VrES041H21
K11S25F KC2011 09 21.25962701 33 08.48 +26 05 31.2 18.5 VrES041H21
K11S25F KC2011 09 21.26674201 33 10.26 +26 06 20.0 18.6 VrES041H21
K11S25F C2011 09 21.37988 01 33 39.48 +26 19 19.1 18.9 cES041704
K11S25F KC2011 09 21.38984801 33 41.38 +26 20 21.0 18.1 RuES041H36
K11S25F KC2011 09 21.39252501 33 42.07 +26 20 39.5 18.3 RuES041H36
K11S25F C2011 09 21.39276 01 33 42.67 +26 20 46.9 18.9 cES041704
K11S25F KC2011 09 21.39383001 33 42.43 +26 20 48.3 18.1 RuES041H36
K11S25F C2011 09 21.40564 01 33 45.86 +26 22 14.5 18.9 cES041704
K11S25F C2011 09 21.41853 01 33 49.06 +26 23 42.3 19.2 cES041704
K11S25F C2011 09 21.43137 01 33 52.32 +26 25 09.1 19.2 cES041704
K11S25F KC2011 09 21.81735 01 35 41.91 +27 08 58.9 18.3 RuES041113
K11S25F KC2011 09 21.81990 01 35 42.63 +27 09 16.6 18.5 RuES041113
K11S25F KC2011 09 21.82308 01 35 43.48 +27 09 39.0 18.3 RuES041113
K11S25F KC2011 09 21.82689 01 35 44.65 +27 10 05.2 18.7 RrES041A17
K11S25F KC2011 09 21.83472 01 35 46.78 +27 11 00.0 18.5 RrES041A17
K11S25F KC2011 09 21.84256 01 35 48.91 +27 11 55.4 18.5 RrES041A17
K11S25F KC2011 09 21.89806 01 36 04.42 +27 18 28.9 18.9 RuES041B49
K11S25F KC2011 09 21.89955 01 36 04.82 +27 18 39.5 19.1 RuES041B49
K11S25F KC2011 09 21.91438 01 36 08.76 +27 20 23.3 19.0 RuES041B49
K11S25F KC2011 09 22.24782401 37 41.11 +27 59 10.0 18.9 VrES041H21
K11S25F KC2011 09 22.25087201 37 41.92 +27 59 31.5 18.8 VrES041H21
K11S25F KC2011 09 22.25438201 37 42.85 +27 59 56.0 18.9 VrES041H21
Observer details:
113 Volkssternwarte Drebach, Schoenbrunn. Observers A. Knoefel, G. Lehmann.
Measurer A. Knoefel. 0.5-m f/5 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, G. Spitz,
R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia, C. Gall. 1.0-m
f/2.15 reflector + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
B18 Terskol. Observers M. Andreev, A. Sergeev, N. Parakhin, V. Kozlov,
N. Karpov. Measurer M. Andreev. 0.6-m f/12.8 Cassegrain + CCD.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.30-m f/4 Newtonian
reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers L. Buzzi, H. Devore, S. Foglia, T. Vorobjov. 0.61-m f/4.0
astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/5.0 reflector + CCD.
J75 OAM Observatory, La Sagra. Observers S. Sanchez, J. Nomen, R. Stoss,
M. Hurtado, J. A. Jaume, W. K. Y. Yeung, P. Rios, F. Serra. 0.45-m f/2.8
reflector + CCD.
Orbital elements:
2011 SF25 Earth MOID = 0.1166 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 344.84376 (2000.0) P Q
n 0.25812761 Peri. 49.24003 +0.78211787 -0.62237422
a 2.4429416 Node 349.12964 +0.51137850 +0.66921840
e 0.5670976 Incl. 9.36618 +0.35606694 +0.40595204
P 3.82 H 21.0 G 0.15 U 7
Residuals in seconds of arc
110920 J75 0.6- 0.3- 110921 J75 0.4- 0.2- 110921 704 0.0 0.2-
110920 J75 0.4+ 0.7+ 110921 B18 0.2+ 0.1+ 110921 113 0.4- 0.0
110920 J75 0.4+ 0.3- 110921 B18 0.1+ 0.1+ 110921 113 0.1- 0.2-
110920 J75 0.0 0.0 110921 B18 0.3- 0.5- 110921 113 0.3- 0.1-
110920 J75 0.2+ 0.3- 110921 H21 0.1+ 0.0 110921 A17 0.0 0.1-
110920 J75 0.1+ 0.1+ 110921 H21 0.0 0.1- 110921 A17 0.1- 0.2-
110921 B18 0.4+ 0.1- 110921 H21 0.1+ 0.0 110921 A17 0.1- 0.2+
110921 B18 0.3+ 0.2- 110921 704 0.2+ 0.4+ 110921 B49 0.2+ 0.0
110921 B18 0.1+ 0.6- 110921 H36 0.2- 0.0 110921 B49 0.2+ 0.1+
110921 I93 0.2- 0.1+ 110921 H36 0.1+ 0.3+ 110921 B49 0.0 0.3-
110921 I93 0.2- 0.1+ 110921 704 0.0 0.3+ 110922 H21 0.1+ 0.0
110921 I93 0.2- 0.3+ 110921 H36 0.5+ 0.2+ 110922 H21 0.2+ 0.1+
110921 I93 0.0 0.2+ 110921 704 0.3- 0.2+ 110922 H21 0.2+ 0.0
110921 J75 0.1- 0.0 110921 704 0.6- 0.3+
Ephemeris:
2011 SF25 a,e,i = 2.44, 0.57, 9 q = 1.0576
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 08 23 00 17 40.2 -06 30 29 0.3330 1.3036 147.1 24.9 20.3
...
2011 09 07 00 47 03.7 +04 57 57 0.2253 1.2101 151.1 23.7 19.3
...
2011 09 15 01 09 14.1 +15 19 15 0.1831 1.1667 149.0 26.3 18.8
...
2011 09 21 01 31 58.2 +25 36 15 0.1606 1.1379 143.9 31.3 18.6
2011 09 22 01 36 29.9 +27 30 33 0.1577 1.1334 142.7 32.5 18.6
2011 09 23 01 41 17.3 +29 27 26 0.1551 1.1291 141.4 33.6 18.6
...
2011 09 29 02 16 47.0 +41 37 04 0.1453 1.1054 132.5 41.9 18.7
...
2011 10 07 03 29 53.5 +56 09 42 0.1474 1.0807 119.9 53.3 19.0
...
2011 10 22 06 51 29.2 +65 58 52 0.1826 1.0581 105.2 65.2 19.7
A. U. Tomatic (C) Copyright 2011 MPC M.P.E.C. 2011-S41
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