(15760) 1992 QB1
Wikipedia on Answers.com:
Top
(15760) 1992 QB1
|
|
|
Discovery[1]
|
|
|---|---|
| Discovered by | David C. Jewitt, Jane X. Luu |
| Discovery date | August 30, 1992 |
|
Designations
|
|
| Minor planet category |
Trans-Neptunian object (cubewano)[2] |
| Epoch August 18, 2005 (JD 2453600.5) | |
| Aphelion | 46.5925 AU |
| Perihelion | 40.8754 AU |
| Semi-major axis | 43.7339 AU |
| Eccentricity | 0.0654 |
| Orbital period | 289.225 a |
| Average orbital speed | 4.4990 km/s |
| Mean anomaly | 14.5829° |
| Inclination | 2.1927° |
| Longitude of ascending node | 359.4575° |
| Argument of perihelion | 2.1541° |
|
Physical characteristics
|
|
| Dimensions | 160 km[3] |
| Albedo | ~0.09 |
| Apparent magnitude | ~23.4[4] |
| Absolute magnitude (H) | 7.2 |
(15760) 1992 QB1, also written (15760) 1992 QB1, was the first trans-Neptunian object to be discovered after Pluto and Charon. It was discovered in 1992 by David C. Jewitt and Jane X. Luu at the Mauna Kea Observatory, Hawaii. It is now classed as a classical Kuiper belt object, and gave rise to the name cubewano for this kind of object, after the "QB1" portion of its designation. Decoding its provisional designation, "QB1" reveals that it was the 27th object found in the second half of August of that year. Over 1,000 further objects have been found beyond Neptune, a good number of which are classical Kuiper belt objects.
The discoverers suggested the name "Smiley" for (15760) 1992 QB1,[5] but the name was already used for an asteroid 1613 Smiley, named after the American astronomer Charles Hugh Smiley. It has received the number 15760, and remains unnamed; it is normally referred to simply as "QB1", even though this is technically ambiguous without the year of discovery.
References
- ^ "IAUC 5611: 1992 QB1". IAU Minor Planet Center. 14 September 1992. http://www.cbat.eps.harvard.edu/iauc/05600/05611.html. Retrieved 2011-07-05.
- ^ Marc W. Buie (30 November 1999). "Orbit Fit and Astrometric record for 15760". SwRI, Space Science Department. http://www.boulder.swri.edu/~buie/kbo/astrom/15760.html. Retrieved 2008-09-28.
- ^ William Robert Johnston (22 August 2008). "List of Known Trans-Neptunian Objects". Johnston's Archive. Archived from the original on 28 September 2008. http://web.archive.org/web/20080928054410/http://www.johnstonsarchive.net/astro/tnoslist.html. Retrieved 2008-09-29.
- ^ "AstDys (15760) 1992QB1 Ephemerides". Department of Mathematics, University of Pisa, Italy. http://hamilton.dm.unipi.it/astdys/index.php?pc=1.1.3.0&n=1992QB1. Retrieved 2010-03-03.
- ^ What Lurks in the Outer Solar System? (Science@NASA, 13 September 2001)
External links
- Orbital simulation from JPL at Nasa(Java)
- Ephemeris
|
|||||
|
||||||||||||||||||||||
|
||||||||
 |
This article about a centaur (minor planet) or trans-Neptunian object is a stub. You can help Wikipedia by expanding it. |
This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)
Post a question - any question - to the WikiAnswers community:
Copyrights:
Wikipedia on Answers.com
This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article (15760) 1992 QB1.
Read more