(85627) 1998 HP151: Difference between revisions
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|accessdate=2009-10-04}}</ref><ref name=Buie>{{Cite web |
|accessdate=2009-10-04}}</ref><ref name=Buie>{{Cite web |
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|author=[[Marc W. Buie]] |
|author=[[Marc W. Buie]] |
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|quote=2007-05-13 using 37 observations |
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|title=Orbit Fit and Astrometric record for 85627 |
|title=Orbit Fit and Astrometric record for 85627 |
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|publisher=SwRI (Space Science Department) |
|publisher=SwRI (Space Science Department) |
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Revision as of 09:30, 5 December 2014
| Discovery | |
|---|---|
| Discovered by | Mauna Kea Observatory[1] |
| Discovery date | April 28, 1998 |
| Designations | |
| none | |
| TNO (cubewano)[2][3] | |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 7223.602 Gm (48.287 AU) |
| Perihelion | 6029.967 Gm (40.308 AU) |
| 6626.785 Gm (44.297 AU) | |
| Eccentricity | 0.090 |
| 107687.324 d (294.83 a) | |
Average orbital speed | 4.47 km/s |
| 306.552° | |
| Inclination | 1.512° |
| 55.956° | |
| 247.575° | |
| Physical characteristics | |
| Dimensions | 146 km[4] |
| Mass | 3.0×1019? kg |
Mean density | 2.0? g/cm³ |
| 0.0858? m/s² | |
| 0.1623? km/s | |
| ? d | |
| Albedo | 0.10? |
| Temperature | ~42 K |
Spectral type | ? |
| 7.4 | |
(85627) 1998 HP151, also written as (85627) 1998 HP151 is a cubewano. It has a perihelion (closest approach to the Sun) at 40.297 AU and an aphelion (farthest approach from the Sun) of 48.306 AU. It is about 146 km in diameter. It was discovered on April 28, 1998 at the Mauna Kea Observatory, Hawaii.
References
- ^ List Of Transneptunian Objects
- ^ "MPEC 2009-R09 :Distant Minor Planets (2009 SEPT. 16.0 TT)". IAU Minor Planet Center. 2009-09-04. Retrieved 2009-10-04.
- ^ Marc W. Buie. "Orbit Fit and Astrometric record for 85627". SwRI (Space Science Department). Retrieved 2009-10-04.
2007-05-13 using 37 observations
- ^ List of known trans-Neptunian objects
 | This article about a centaur (minor planet) or trans-Neptunian object is a stub. You can help Wikipedia by expanding it. |