MPEC 2018-B112: 2008 OC9
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2018-B111
Read MPEC 2018-B113
M.P.E.C. 2018-B112 Issued 2018 Jan. 24, 04:34 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F 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
2008 OC9
Revision to MPEC 2008-O65
Additional Observations:
K08O09C C2018 01 23.38106 11 26 48.91 +19 52 11.0 19.8 GUEB112703
K08O09C C2018 01 23.38632 11 26 47.66 +19 51 21.4 19.8 GUEB112703
K08O09C C2018 01 23.39160 11 26 46.55 +19 50 30.3 20.3 GUEB112703
K08O09C C2018 01 23.39227 11 26 46.29 +19 50 23.8 20.1 GUEB112G96
K08O09C C2018 01 23.39687 11 26 45.16 +19 49 38.6 20.3 GUEB112703
K08O09C C2018 01 23.39749 11 26 45.07 +19 49 33.3 20.4 GUEB112G96
K08O09C C2018 01 23.40271 11 26 43.83 +19 48 42.3 20.4 GUEB112G96
K08O09C C2018 01 23.40792 11 26 42.62 +19 47 52.0 20.1 GUEB112G96
K08O09C C2018 01 23.44980 11 26 32.77 +19 41 03.8 19.9 GUEB112I52
K08O09C C2018 01 23.45077 11 26 32.51 +19 40 54.8 20.0 GUEB112I52
K08O09C C2018 01 23.45173 11 26 32.29 +19 40 45.2 20.2 GUEB112I52
K08O09C C2018 01 23.45270 11 26 32.05 +19 40 35.8 20.0 GUEB112I52
K08O09C IC2018 01 24.06136911 24 20.09 +17 57 21.3 19.7 VSEB112L01
K08O09C KC2018 01 24.06311111 24 19.71 +17 57 02.4 19.6 VSEB112L01
K08O09C KC2018 01 24.06484311 24 19.28 +17 56 43.9 19.8 VSEB112L01
K08O09C IC2018 01 24.07279011 24 17.36 +17 55 20.4 20.0 VSEB112L01
K08O09C KC2018 01 24.07616711 24 16.48 +17 54 44.8 20.0 VSEB112L01
Observer details:
703 Catalina Sky Survey. Observer J. A. Johnson. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
0.68-m Schmidt + 10K CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer J. A. Johnson.
Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, F. Hrzenjak. Measurer
K. Korlevic. 1.0-m f/2.9 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
180123 703 16- 27+ 180124 L01 17- 28+ MPO141930 +5.6 day
Orbital elements:
2008 OC9 Earth MOID = 0.0726 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 185.60949 (2000.0) P Q
n 0.79551840 Peri. 266.64582 -0.69844742 +0.61171697
a 1.1535486 Node 310.65735 -0.28516384 -0.71392721
e 0.2499541 Incl. 29.31670 -0.65639377 -0.34074959
P 1.24 H 23.2 G 0.15 U 3
Residuals in seconds of arc
080730 E12 (0.6+ 2.5-) 080802 213 0.4+ 0.5- 080811 H55 0.2- 1.3-
080730 E12 0.1- 0.2+ 080802 J95 (0.2+ 2.0-) 080811 H55 0.2- 0.3-
080730 E12 1.1- 0.4+ 080802 213 0.3- 0.2+ 080811 H55 0.2- 0.2+
080730 E12 0.3+ 0.4- 080802 J95 0.2- 0.1- 080811 H55 1.2- 0.4-
080730 E12 0.1+ 0.2- 080802 213 0.6- 0.9+ 180123 703 0.3+ 0.5-
080730 E12 0.2- 0.4+ 080802 B33 0.5+ 1.4+ 180123 703 0.1- 0.6+
080730 E12 (1.8- 0.6+) 080802 B33 0.3- 1.0+ 180123 703 (1.6+ 0.5+)
080730 E12 0.7+ 0.6- 080803 H55 0.2- 0.4+ 180123 G96 0.1+ 0.5+
080731 E12 0.2+ 0.5- 080803 H55 0.0 0.2+ 180123 703 0.6- 0.2-
080731 E12 0.3- 0.1+ 080803 H55 0.2- 0.4+ 180123 G96 0.1+ 0.5+
080731 E12 0.2+ 0.3- 080803 H55 0.0 0.2+ 180123 G96 0.1- 0.0
080731 E12 0.3- 0.0 080803 B67 0.6- 0.1+ 180123 G96 0.0 0.2+
080731 E12 0.2+ 0.4- 080803 B67 0.3- 0.3+ 180123 I52 0.2+ 0.2-
080802 E12 0.5+ 0.2- 080803 B67 (2.5- 3.3+) 180123 I52 0.3- 0.3+
080802 E12 0.5- 0.9+ 080804 H55 0.0 0.1+ 180123 I52 0.2- 0.1+
080802 E12 0.2- 0.2+ 080804 H55 0.1- 0.1+ 180123 I52 0.3- 0.2+
080802 E12 0.6+ 0.0 080804 H55 0.1- 0.2+ 180124 L01 0.6- 0.2+
080802 E12 0.4- 0.6+ 080804 H55 0.1- 0.2+ 180124 L01 0.1+ 0.4-
080802 E12 0.3- 0.1- 080809 H55 0.8+ 0.2+ 180124 L01 0.1+ 0.6-
080802 E12 0.1- 0.2+ 080809 H55 0.2+ 0.1- 180124 L01 0.8+ 0.4-
080802 E12 0.4- 0.7- 080809 H55 0.0 0.2- 180124 L01 0.2+ 0.4-
080802 J95 0.9+ 0.7- 080811 H55 0.0 0.3+
Ephemeris:
2008 OC9 a,e,i = 1.15, 0.25, 29 q = 0.8652
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 12 25 11 42 43.8 +46 00 17 0.4143 1.2007 111.8 49.5 23.5
...
2018 01 09 11 49 15.0 +39 28 13 0.2637 1.1418 121.0 47.6 22.4
...
2018 01 17 11 42 20.5 +31 59 28 0.1865 1.1091 128.3 44.1 21.5
...
2018 01 23 11 28 05.4 +20 52 42 0.1337 1.0844 136.0 39.1 20.6
2018 01 24 11 24 33.4 +18 08 46 0.1258 1.0802 137.4 38.1 20.4
2018 01 25 11 20 35.6 +15 03 17 0.1182 1.0761 138.7 37.1 20.2
...
2018 01 31 10 44 12.4 -13 14 58 0.08598 1.0514 138.8 38.1 19.5
...
2018 02 08 08 49 30.5 -58 25 13 0.1006 1.0188 106.1 68.5 20.7
...
2018 02 23 03 34 27.1 -69 31 57 0.2168 0.9614 76.3 91.0 23.0
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-B112
Read MPEC 2018-B111
Read MPEC 2018-B113
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)