(16684) 1994 JQ1
Discovery | |
---|---|
Discovered by |
Michael J. Irwin Anna N. Zytkow |
Discovery date | May 11, 1994[1] |
Designations | |
none | |
TNO (cubewano)[2] | |
Orbital characteristics | |
Epoch December 31, 2006 (JD 2454100.5) | |
Aphelion | 6999.289 Gm (46.787 AU) |
Perihelion | 6279.097 Gm (41.973 AU) |
6639.193 Gm (44.380 AU) | |
Eccentricity | 0.054 |
107989.929 d (295.66 yr) | |
Average orbital speed | 4.47 km/s |
318.096° | |
Inclination | 3.738° |
25.613° | |
246.446° | |
Physical characteristics | |
Dimensions | 183 km[3] |
Mass | 6.4×1018? kg |
Mean density | 2.0? g/cm³ |
0.0511? m/s² | |
0.0967? km/s | |
? d | |
Albedo | 0.09 (assumed) |
Temperature | ~42 K |
Spectral type | ? |
6.9[1] | |
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(16684) 1994 JQ1, also written as (16684) 1994 JQ1, is a trans-Neptunian object of the cubewano class. It was discovered on May 11, 1994, by Michael J. Irwin and Anna N. Zytkow.
(16684) 1994 JQ1 is the third cubewano to be given an official Minor Planet Center catalog number.[4] The first two official cubewanos are (15760) 1992 QB1 and (15807) 1994 GV9.
References
- 1 2 "JPL Small-Body Database Browser: 16684 (1994 JQ1)". 23 May 2001. Retrieved 2008-09-29.
- ↑ Marc W. Buie (23 May 2001). "Orbit Fit and Astrometric record for 16684". SwRI (Space Science Department). Retrieved 2008-09-29.
- ↑ Wm. Robert Johnston (22 August 2008). "List of Known Trans-Neptunian Objects". Johnston's Archive. Archived from the original on 28 September 2008. Retrieved 2008-09-29.
- ↑ "MPEC 2008-O05 : Distant Minor Planets (2008 AUG. 2.0 TT)". Minor Planet Center. 17 July 2008. Archived from the original on 7 December 2008. Retrieved 2008-09-29.
External links
- Orbital simulation from JPL (Java) / Ephemeris
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