MPEC 2007-R76 : 2007 RR17
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M.P.E.C. 2007-R76 Issued 2007 Sept. 14, 17:53 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
2007 RR17
Observations:
K07R17R* C2007 09 13.33669 01 44 57.48 +06 15 39.4 17.4 ER076704
K07R17R C2007 09 13.34782 01 45 07.41 +06 17 57.4 17.3 ER076704
K07R17R C2007 09 13.37028 01 45 27.19 +06 22 33.7 17.8 ER076704
K07R17R C2007 09 13.38137 01 45 36.91 +06 24 49.0 17.4 ER076704
K07R17R C2007 09 14.10983 01 56 37.62 +08 40 36.6 17.3 R ER076473
K07R17R C2007 09 14.11381 01 56 40.70 +08 41 17.9 17.3 R ER076473
K07R17R C2007 09 14.11779 01 56 43.75 +08 41 58.5 17.3 R ER076473
K07R17R C2007 09 14.12563 01 56 49.77 +08 43 18.9 17.4 R ER076473
K07R17R C2007 09 14.17148 01 57 28.64 +08 50 50.7 ER076J95
K07R17R C2007 09 14.17339 01 57 30.11 +08 51 09.9 ER076J95
K07R17R C2007 09 14.17530 01 57 31.59 +08 51 29.3 17.6 R ER076J95
K07R17R C2007 09 14.17558 01 57 42.27 +08 56 59.9 17.5 R ER076I77
K07R17R C2007 09 14.17660 01 57 43.03 +08 57 10.3 17.4 R ER076I77
K07R17R C2007 09 14.17762 01 57 43.76 +08 57 20.8 17.3 R ER076I77
K07R17R C2007 09 14.25483 01 58 56.16 +09 06 04.0 17.6 R ER076651
K07R17R C2007 09 14.25546 01 58 56.63 +09 06 10.5 17.4 R ER076651
K07R17R C2007 09 14.25609 01 58 57.13 +09 06 17.0 17.3 R ER076651
K07R17R C2007 09 14.32600 01 59 42.57 +09 17 32.0 16.9 R ER076H59
K07R17R C2007 09 14.32679 01 59 43.20 +09 17 40.0 17.0 R ER076H59
K07R17R C2007 09 14.32720 01 59 43.58 +09 17 43.9 17.1 R ER076H59
K07R17R 5C2007 09 14.34532 02 00 04.70 +09 21 04.2 17.8 R ER076673
K07R17R 5C2007 09 14.35088 02 00 08.72 +09 21 59.2 ER076673
K07R17R 5C2007 09 14.35574 02 00 12.24 +09 22 47.7 ER076673
K07R17R 5C2007 09 14.36130 02 00 16.25 +09 23 42.8 ER076673
K07R17R C2007 09 14.39202 02 00 34.52 +09 29 03.5 17.7 R ER076711
K07R17R C2007 09 14.39472 02 00 36.41 +09 29 30.0 17.2 R ER076711
K07R17R C2007 09 14.39742 02 00 38.30 +09 29 56.3 17.1 R ER076711
K07R17R C2007 09 14.58191 02 03 19.89 +09 59 23.7 18.1 C ER076D35
K07R17R C2007 09 14.58249 02 03 20.25 +09 59 29.1 17.9 C ER076D35
K07R17R C2007 09 14.58307 02 03 20.81 +09 59 35.3 19.0 C ER076D35
Observer details:
473 Remanzacco. Observers L. Donato, M. Gonano, V. Gonano, E. Guido,
V. Santini, G. Sostero. 0.45-m f/4.4 Newtonian reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs.
1.0-m f/2.15 reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector + CCD
+ prime-focus corrector.
D35 Lulin Observatory. Observer Q.-z. Ye. 0.41-m f/8.8 Ritchey-Chretien
+ 2Kx2K CCD + f/6.25 focal reducer.
H59 Prairie Grass Observatory, Camp Cullom. Observer J. Mahony. 0.41-m
Schmidt-Cassegrain + CCD.
I77 CEAMIG-REA Observatory, Belo Horizonte. Observers C. Jacques, E. Pimentel.
Measurer C. Jacques. 0.30-m f/3.0 Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2007 RR17 Earth MOID = 0.0190 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 15.61654 (2000.0) P Q
n 0.30840092 Peri. 347.97460 +0.95552312 +0.29490388
a 2.1696629 Node 354.87124 -0.26801896 +0.86452519
e 0.5272694 Incl. 1.72859 -0.12305042 +0.40697407
P 3.20 H 23.7 G 0.15 U 6
Residuals in seconds of arc
070913 704 0.4- 0.4- 070914 J95 0.3+ 0.0 070914 673 0.3+ 0.5+
070913 704 0.5+ 0.2+ 070914 I77 0.2+ 0.0 070914 673 0.1+ 0.1+
070913 704 0.2+ 0.5+ 070914 I77 0.4+ 0.1- 070914 673 0.2+ 0.3+
070913 704 0.2+ 0.2+ 070914 I77 0.2+ 0.0 070914 673 0.3+ 0.2+
070914 473 0.1+ 0.2+ 070914 651 0.2+ 0.3+ 070914 711 0.3+ 0.2+
070914 473 0.4+ 0.4+ 070914 651 0.0 0.3+ 070914 711 0.2+ 0.4+
070914 473 0.2+ 0.0 070914 651 0.3+ 0.4+ 070914 711 0.1+ 0.4+
070914 473 0.0 0.3- 070914 H59 1.6- 0.4- 070914 D35 0.2+ 0.0
070914 J95 0.3+ 0.2+ 070914 H59 0.7- 0.2- 070914 D35 0.7- 0.2-
070914 J95 0.2+ 0.0 070914 H59 0.5+ 0.4- 070914 D35 1.3+ 0.4+
Ephemeris:
2007 RR17 a,e,i = 2.17, 0.53, 2 q = 1.0257
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 09 07 22 21.81 -29 41.6 0.0195 1.026 154.9 24.6 16.3
2007 09 12 01 19.42 +00 59.6 0.0247 1.028 149.4 29.9 17.0
2007 09 17 02 28.20 +14 56.3 0.0406 1.034 134.1 44.3 18.5
2007 09 22 02 56.76 +20 11.7 0.0591 1.044 130.8 46.7 19.4
2007 09 27 03 10.47 +22 39.7 0.0785 1.056 131.9 45.0 20.0
2007 10 02 03 17.10 +23 57.7 0.0982 1.073 134.8 41.4 20.4
2007 10 07 03 19.59 +24 38.9 0.118 1.092 138.9 37.0 20.8
2007 10 12 03 19.40 +24 57.2 0.139 1.114 143.7 32.0 21.0
2007 10 17 03 17.47 +25 00.0 0.161 1.138 148.9 26.9 21.2
2007 10 22 03 14.51 +24 51.7 0.184 1.164 154.4 21.7 21.4
2007 10 27 03 11.00 +24 35.6 0.209 1.192 160.0 16.6 21.6
2007 11 01 03 07.34 +24 14.0 0.236 1.222 165.5 11.7 21.7
2007 11 06 03 03.83 +23 49.0 0.265 1.254 170.5 7.5 21.8
2007 11 11 03 00.76 +23 22.8 0.297 1.286 173.8 4.7 22.0
2007 11 16 02 58.36 +22 57.2 0.332 1.319 172.8 5.4 22.4
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-R76
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