(85627) 1998 HP151
| Discovery | |
|---|---|
| Discovered by | Mauna Kea Observatory[1] |
| Discovery date | 28 April 1998 |
| Designations | |
| none | |
| TNO (cubewano)[2][3] (cold)[4] | |
| Orbital characteristics[5] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 3302 days (9.04 yr) |
| Aphelion | 47.92187 AU (7.169010 Tm) |
| Perihelion | 40.25486 AU (6.022041 Tm) |
| 44.08836 AU (6.595525 Tm) | |
| Eccentricity | 0.086951 |
| 292.75 yr (106926 d) | |
Average orbital speed | 4.47 km/s |
| 315.815° | |
| 0° 0m 12.121s / day | |
| Inclination | 1.51240° |
| 55.9363° | |
| 249.275° | |
| Earth MOID | 39.2382 AU (5.86995 Tm) |
| Jupiter MOID | 35.1334 AU (5.25588 Tm) |
| TJupiter | 5.916 |
| Physical characteristics | |
| Dimensions | 146 km[6] |
| Mass | 3.0×1019? kg |
Mean density | 2.0? g/cm³ |
Equatorial surface gravity | 0.09? m/s² |
Equatorial escape velocity | 0.2? km/s |
| 0.1? | |
| Temperature | ~42 K |
| 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 Archived 2007-06-21 at WebCite
- ^ "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
- ^ Mike Brown's "How many dwarf planets are there in the outer solar system?" "Archived copy". Archived from the original on 2013-10-15. Retrieved 2018-02-18.
{{cite web}}: Unknown parameter|dead-url=ignored (|url-status=suggested) (help)CS1 maint: archived copy as title (link) - ^ "85627 (1998 HP151)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 8 April 2016.
- ^ List of known trans-Neptunian objects
External links
 | This article about a centaur (minor planet) or trans-Neptunian object is a stub. You can help Wikipedia by expanding it. |