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M.P.E.C. 2007-R75 Issued 2007 Sept. 14, 17:48 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 RQ17
Observations:
K07R17Q C2007 09 13.17423 22 15 23.52 -12 57 18.8 19.4 ER075704
K07R17Q C2007 09 13.18620 22 15 25.75 -12 56 50.9 20.3 ER075704
K07R17Q C2007 09 13.21012 22 15 30.16 -12 55 50.6 19.9 ER075704
K07R17Q* C2007 09 13.24257 22 15 36.43 -12 54 30.6 19.0 V ER075G96
K07R17Q C2007 09 13.24933 22 15 37.65 -12 54 13.8 19.0 V ER075G96
K07R17Q C2007 09 13.25596 22 15 38.88 -12 53 57.3 19.2 V ER075G96
K07R17Q C2007 09 13.26258 22 15 40.06 -12 53 41.2 18.9 V ER075G96
K07R17Q C2007 09 13.85668 22 17 42.37 -12 29 48.7 19.3 V ER075A17
K07R17Q C2007 09 13.86893 22 17 44.58 -12 29 20.7 19.6 V ER075A17
K07R17Q C2007 09 13.88135 22 17 46.45 -12 28 50.6 19.5 V ER075B03
K07R17Q C2007 09 13.89319 22 17 48.51 -12 28 22.9 19.6 V ER075B03
K07R17Q C2007 09 13.89946 22 17 50.06 -12 28 08.5 19.2 V ER075A17
K07R17Q C2007 09 13.90508 22 17 50.69 -12 27 55.1 19.2 V ER075B03
K07R17Q C2007 09 13.90964 22 17 51.62 -12 27 41.6 18.9 V ER075595
K07R17Q C2007 09 13.91574 22 17 52.81 -12 27 28.6 18.9 R ER075473
K07R17Q C2007 09 13.91692 22 17 52.80 -12 27 26.4 19.1 V ER075B03
K07R17Q C2007 09 13.92098 22 17 53.67 -12 27 15.2 19.0 V ER075595
K07R17Q C2007 09 13.94882 22 17 59.49 -12 26 12.4 ER075J95
K07R17Q C2007 09 13.95072 22 17 59.06 -12 26 04.8 19.2 R ER075473
K07R17Q C2007 09 13.95260 22 18 00.15 -12 26 03.5 ER075J95
K07R17Q C2007 09 13.95677 22 18 00.96 -12 25 54.2 19.3 R ER075J95
K07R17Q C2007 09 14.07353 22 18 23.95 -12 20 09.9 19.2 R ER075I77
K07R17Q C2007 09 14.07508 22 18 24.23 -12 20 06.0 19.2 R ER075I77
K07R17Q C2007 09 14.07664 22 18 24.54 -12 20 02.2 19.1 R ER075I77
K07R17Q C2007 09 14.12295622 18 35.24 -12 19 13.9 19.5 V ER075H55
K07R17Q C2007 09 14.12811922 18 36.21 -12 19 04.3 19.3 V ER075H55
K07R17Q C2007 09 14.13326122 18 37.05 -12 18 49.3 19.3 V ER075H55
K07R17Q C2007 09 14.18020 22 18 46.72 -12 16 54.3 19.7 V ER075G96
K07R17Q C2007 09 14.18618 22 18 47.77 -12 16 40.5 19.9 V ER075G96
K07R17Q C2007 09 14.19213 22 18 48.78 -12 16 26.6 19.9 V ER075G96
K07R17Q C2007 09 14.23183 22 18 55.54 -12 14 54.3 19.9 R ER075651
K07R17Q C2007 09 14.23293 22 18 55.73 -12 14 51.6 19.9 R ER075651
K07R17Q C2007 09 14.23402 22 18 55.94 -12 14 48.9 19.9 R ER075651
K07R17Q C2007 09 14.24161 22 18 56.74 -12 14 30.0 19.0 R ER075711
K07R17Q C2007 09 14.24598 22 18 57.53 -12 14 20.8 19.1 R ER075711
K07R17Q C2007 09 14.25037 22 18 58.24 -12 14 10.9 18.8 R ER075711
K07R17Q C2007 09 14.25095 22 18 57.37 -12 14 16.7 18.8 R ER075H59
K07R17Q C2007 09 14.25612 22 18 58.10 -12 14 02.3 18.9 R ER075H59
K07R17Q C2007 09 14.26137 22 18 58.93 -12 13 52.2 19.0 R ER075H59
K07R17Q C2007 09 14.26652 22 18 59.96 -12 13 40.8 18.8 R ER075H59
K07R17Q C2007 09 14.27159 22 19 00.99 -12 13 27.7 18.1 R ER075H59
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.
595 Farra d'Isonzo. Observers L. Bittesini, G. Lombardi, E. Pettarin,
F. Piani, F. Fabris. Measurer E. Pettarin. 0.40-m f/4.5 reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + 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.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
B03 Alter Satzberg, Vienna. Observer M. Pietschnig. 0.35-m f/7
Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observers E. C. Beshore, A. R. Gibbs. 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. 1.5-m reflector
+ CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer W. Lovett. 0.61-m f/4.0 astrograph + CCD.
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 RQ17 Earth MOID = 0.0222 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 47.13138 (2000.0) P Q
n 0.49584573 Peri. 298.97776 +0.39685910 +0.91787366
a 1.5809022 Node 354.40119 -0.82998718 +0.35732692
e 0.3682729 Incl. 1.92962 -0.39194914 +0.17270035
P 1.99 H 22.7 G 0.15 U 8
Residuals in seconds of arc
070913 704 0.2+ 1.3+ 070913 473 1.0+ 0.5- 070914 G96 0.7+ 0.1+
070913 704 0.3+ 0.2- 070913 B03 0.1+ 0.2+ 070914 G96 0.4+ 0.3+
070913 704 0.2+ 1.2+ 070913 595 0.1+ 0.4+ 070914 651 0.1- 0.3+
070913 G96 0.6+ 0.1- 070913 J95 0.5+ 0.4+ 070914 651 0.0 0.5+
070913 G96 0.4+ 0.0 070913 473 1.2+ 0.1+ 070914 651 0.3+ 0.7+
070913 G96 0.7+ 0.1+ 070913 J95 0.2+ 0.3+ 070914 711 0.3- 1.2+
070913 G96 0.3+ 0.2- 070913 J95 1.1+ 0.2- 070914 711 0.5+ 0.2+
070913 A17 0.7+ 1.0+ 070914 I77 0.2+ 0.7- 070914 711 0.0 0.1-
070913 A17 0.5+ 0.1+ 070914 I77 0.4+ 0.5- 070914 H59 0.4+ 0.4-
070913 B03 0.5+ 0.4+ 070914 I77 1.1+ 0.3- 070914 H59 2.1- 1.9+
070913 B03 0.4- 0.1+ 070914 H55 0.1+ 0.1+ 070914 H59 (3.3- 0.4-)
070913 A17 0.0 0.2+ 070914 H55 1.1+ 2.3- 070914 H59 1.4- 1.1-
070913 B03 0.3+ 0.4- 070914 H55 0.2+ 0.8+ 070914 H59 0.8+ 0.1+
070913 595 0.3- 0.9+ 070914 G96 0.5+ 0.1+
Ephemeris:
2007 RQ17 a,e,i = 1.58, 0.37, 2 q = 0.9987
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 09 07 21 47.97 -18 12.8 0.0975 1.099 158.7 19.5 18.8
2007 09 12 22 11.10 -13 47.1 0.120 1.120 160.9 17.1 19.2
2007 09 17 22 27.14 -10 35.7 0.144 1.143 161.0 16.7 19.7
2007 09 22 22 39.11 -08 13.7 0.171 1.166 159.7 17.4 20.1
2007 09 27 22 48.64 -06 24.8 0.201 1.191 157.7 18.7 20.5
2007 10 02 22 56.66 -04 58.5 0.232 1.216 155.1 20.3 21.0
2007 10 07 23 03.78 -03 47.6 0.266 1.242 152.3 22.0 21.4
2007 10 12 23 10.39 -02 47.0 0.303 1.268 149.2 23.7 21.7
2007 10 17 23 16.79 -01 53.3 0.342 1.295 146.1 25.4 22.1
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-R75
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