(307616) 2003 QW90
From Wikipedia, the free encyclopedia
| Discovery | |
|---|---|
| Discovered by | Marc W. Buie[1] |
| Discovery date | August 23, 2003 |
| Designations | |
| Alternative names | none |
| Minor planet category | TNO |
| Orbital characteristics | |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 47.031 AU (7035.806 Gm) |
| Perihelion | 40.331 AU (6033.495 Gm) |
| Semi-major axis | 43.681 AU (6534.651 Gm) |
| Eccentricity | 0.077 |
| Orbital period | 288.70 a (105,449.338 d) |
| Average orbital speed | 4.50 km/s |
| Mean anomaly | 265.134° |
| Inclination | 10.379° |
| Longitude of ascending node | 17.733° |
| Argument of perihelion | 88.565° |
| Physical characteristics | |
| Dimensions | 366 km (assumed)[2] |
| Temperature | ≈42 K |
| Absolute magnitude (H) | 5.2[3] |
|
| |
(307616) 2003 QW90 is a classical Kuiper belt object. It was discovered on August 23, 2003, by Marc W. Buie.
Diameter by 2008 was listed as 440 km.[4]
References
- ↑ List Of Transneptunian Objects
- ↑ "List of known trans-Neptunian objects". Retrieved 2009-03-24.
- ↑ http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2003QW90
- ↑ Wm. Robert Johnston (22 August 2008). "List of Known Trans-Neptunian Objects". Johnston's Archive. Archived from the original on 2009-04-18. Retrieved 2008-12-09.
| ||||||||||||||||||||||
| ||||||||
This article is issued from Wikipedia. The text is available under the Creative Commons Attribution/Share Alike; additional terms may apply for the media files.