(120178) 2003 OP32
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- The correct title of this article is (120178) 2003 OP32. It features superscript or subscript characters that are substituted or omitted because of technical limitations.
Discovery
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Discovered by | M. E. Brown, C. Trujillo, D. Rabinowitz[1] |
Discovery date | July 26, 2003 |
Designations
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MPC designation | (120178) 2003 OP32 |
Alternative names | none |
Minor planet category |
TNO (cubewano) |
Epoch December 31, 2006 (JD 2454100.5) | |
Aphelion | 7175.166 Gm (47.963 AU) |
Perihelion | 5774.750 Gm (38.602 AU) |
Semi-major axis | 6474.958 Gm (43.282 AU) |
Eccentricity | 0.108 |
Orbital period | 104007.766 d (284.76 a) |
Average orbital speed | 4.51 km/s |
Mean anomaly | 57.925° |
Inclination | 27.189° |
Longitude of ascending node | 182.940° |
Argument of perihelion | 69.449° |
Physical characteristics
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Dimensions | 666 km[2] |
Mass | 3.1×1020? kg |
Mean density | 2.0? g/cm³ |
Equatorial surface gravity | 0.1861? m/s² |
Escape velocity | 0.3521? km/s |
Sidereal rotation period |
? d |
Albedo | 0.10? |
Temperature | ~42 K |
Spectral type | ? |
Absolute magnitude | 4.1 |
(120178) 2003 OP32, also written as (120178) 2003 OP32,is a trans-Neptunian object (TNO) that resides in the Kuiper belt. It was discovered on July 26, 2003 by Michael E. Brown, Chad Trujillo, and David L. Rabinowitz.
It appears to be a fragment from the parent body (136108) 2003 EL61, along with four others ((19308) 1996 TO66, (24835) 1995 SM55, (55636) 2002 TX300, and (145453) 2005 RR43).
[edit] References
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