MPEC 2008-C91 : 2008 BN18
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M.P.E.C. 2008-C91 Issued 2008 Feb. 13, 16:43 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
2008 BN18
Additional Observations:
K08B18N C2008 02 09.08811 02 25 21.68 -11 33 06.4 18.9 V EC091703
K08B18N C2008 02 09.09297 02 25 21.82 -11 33 02.7 18.8 V EC091703
K08B18N C2008 02 09.09781 02 25 22.33 -11 33 00.6 19.1 V EC091703
K08B18N C2008 02 09.10268 02 25 22.47 -11 32 58.6 18.8 V EC091703
K08B18N C2008 02 10.11181 02 26 28.75 -11 24 17.6 19.5 V EC091G96
K08B18N C2008 02 10.11674 02 26 29.07 -11 24 15.1 19.4 V EC091G96
K08B18N C2008 02 10.12160 02 26 29.36 -11 24 12.0 19.5 V EC091G96
K08B18N C2008 02 10.12649 02 26 29.72 -11 24 09.9 19.4 V EC091G96
K08B18N C2008 02 11.80706 02 28 22.15 -11 09 33.9 EC091J95
K08B18N C2008 02 11.81836 02 28 22.80 -11 09 29.0 19.6 R EC091J95
K08B18N C2008 02 12.09315 02 28 41.38 -11 07 05.1 20.0 V EC091291
K08B18N C2008 02 12.09707 02 28 41.63 -11 07 03.3 20.0 V EC091291
K08B18N C2008 02 12.10082 02 28 41.90 -11 07 01.3 20.1 V EC091291
K08B18N HC2008 02 12.80245 02 29 29.73 -11 00 55.7 EC091J95
K08B18N HC2008 02 12.81387 02 29 30.50 -11 00 49.8 19.6 R EC091J95
K08B18N C2008 02 13.08644 02 29 49.18 -10 58 24.8 EC091291
K08B18N C2008 02 13.09024 02 29 49.44 -10 58 22.5 EC091291
K08B18N C2008 02 13.09189 02 29 49.56 -10 58 21.9 19.6 V EC091G96
K08B18N C2008 02 13.09449 02 29 49.71 -10 58 20.3 EC091291
K08B18N C2008 02 13.09623 02 29 49.84 -10 58 19.1 19.4 V EC091G96
K08B18N C2008 02 13.09916 02 29 50.05 -10 58 17.9 20.1 V EC091291
K08B18N C2008 02 13.10051 02 29 50.13 -10 58 16.9 19.4 V EC091G96
K08B18N C2008 02 13.10304 02 29 50.29 -10 58 15.7 19.9 V EC091291
K08B18N C2008 02 13.10483 02 29 50.46 -10 58 15.1 19.8 V EC091G96
K08B18N C2008 02 13.10681 02 29 50.54 -10 58 13.5 20.1 V EC091291
Observer details:
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
703 Catalina Sky Survey. Observer 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. 0.68-m Schmidt + CCD.
G96 Mt. Lemmon Survey. Observers R. A. Kowalski, A. D. Grauer. 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2008 BN18
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 357.66807 (2000.0) P Q
n 0.01004174 Peri. 282.64376 -0.05599958 -0.99438570
a 21.2779612 Node 169.27429 +0.99508704 -0.04823251
e 0.8776896 Incl. 28.84418 -0.08164458 +0.09418437
P 98.15 H 13.8 G 0.15 U 6
Residuals in seconds of arc
080130 291 0.0 0.3+ 080209 703 0.7+ 0.1+ 080212 J95 0.1+ 1.4-
080130 291 0.1- 0.5+ 080209 703 1.9- 1.3+ 080212 J95 0.1+ 1.5-
080130 291 0.1- 0.3+ 080209 703 1.1+ 0.9+ 080213 291 0.0 0.1-
080201 291 0.0 0.4- 080209 703 1.5- 0.4+ 080213 291 0.0 0.2+
080201 701 0.8+ 0.1- 080210 G96 0.2- 0.6- 080213 G96 0.2+ 0.0
080201 291 0.1- 0.2- 080210 G96 0.3- 0.7- 080213 291 0.3- 0.2+
080201 291 0.1- 0.2- 080210 G96 0.7- 0.1- 080213 G96 0.0 0.5+
080201 G96 0.4+ 0.6- 080210 G96 0.1- 0.5- 080213 291 0.1+ 0.2+
080201 G96 0.6+ 0.9- 080211 J95 1.5+ 1.4+ 080213 G96 0.0 0.5+
080201 G96 0.2+ 0.3- 080211 J95 0.0 0.4+ 080213 291 0.2- 0.3+
080201 701 0.4+ 0.1+ 080212 291 0.3- 0.1+ 080213 G96 0.5+ 0.0
080201 701 0.1+ 0.2- 080212 291 0.5- 0.1- 080213 291 0.3- 0.5+
080201 701 0.4- 0.6- 080212 291 0.2- 0.1-
Ephemeris:
2008 BN18 a,e,i = 21.28, 0.88, 29 q = 2.6025
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 02 14 02 30.87 -10 50.4 3.070 2.870 69.1 18.8 19.5
2008 02 24 02 43.13 -09 21.3 3.133 2.830 63.3 18.2 19.5
2008 03 05 02 56.67 -07 50.9 3.192 2.793 57.8 17.5 19.5
2008 03 15 03 11.38 -06 20.8 3.245 2.759 52.7 16.7 19.5
2008 03 25 03 27.14 -04 52.7 3.293 2.728 48.0 15.8 19.4
2008 04 04 03 43.84 -03 28.2 3.336 2.700 43.5 14.8 19.4
2008 04 14 04 01.38 -02 08.6 3.373 2.675 39.4 13.8 19.4
2008 04 24 04 19.66 -00 55.4 3.407 2.654 35.6 12.7 19.3
2008 05 04 04 38.58 +00 10.5 3.436 2.636 32.1 11.7 19.3
Gareth V. Williams (C) Copyright 2008 MPC M.P.E.C. 2008-C91
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