(16684) 1994 JQ1

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(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)
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[edit]

  1. ^ a b c "JPL Small-Body Database Browser: 16684 (1994 JQ1)". 23 May 2001. Retrieved 5 April 2016. 
  2. ^ Marc W. Buie (23 May 2001). "Orbit Fit and Astrometric record for 16684". SwRI (Space Science Department). Retrieved 2008-09-29. 
  3. ^ 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. 
  4. ^ "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[edit]