(16684) 1994 JQ1
| Discovery | |
|---|---|
| Discovered by | Michael J. Irwin Anna N. Zytkow |
| Discovery date | 11 May 1994[1] |
| Designations | |
| none | |
| TNO (cubewano)[2] | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 3 | |
| Observation arc | 2569 days (7.03 yr) |
| Aphelion | 46.514 AU (6.9584 Tm) |
| Perihelion | 41.98212 AU (6.280436 Tm) |
| 44.24783 AU (6.619381 Tm) | |
| Eccentricity | 0.051205 |
| 294.34 yr (107507 d) | |
Average orbital speed | 4.47 km/s |
| 328.550° | |
| 0° 0m 12.055s / day | |
| Inclination | 3.73761° |
| 25.5755° | |
| 246.847° | |
| Earth MOID | 40.9663 AU (6.12847 Tm) |
| Jupiter MOID | 36.725 AU (5.4940 Tm) |
| Physical characteristics | |
| Dimensions | 183 km[3] |
| Mass | 6.4×1018? kg |
Mean density | 2.0? g/cm³ |
Equatorial surface gravity | 0.0511? m/s² |
Equatorial escape velocity | 0.0967? km/s |
| ? d | |
| 0.09 (assumed) | |
| Temperature | ~42 K |
| ? | |
| 6.9[1] | |
(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
- ^ a b c "JPL Small-Body Database Browser: 16684 (1994 JQ1)". 23 May 2001. Retrieved 5 April 2016.
- ^ 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.
{{cite web}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help) - ^ "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.
{{cite web}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help)
External links
- Orbital simulation from JPL (Java) / Ephemeris
- (16684) 1994 JQ1 at the JPL Small-Body Database
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