(16684) 1994 JQ1

(16684) 1994 JQ₁
Discovery
Discovered by	Michael J. Irwin Anna N. Zytkow
Discovery date	11 May 1994^[1]
Designations
Alternative names	none
Minor planet category	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)
Semi-major axis	44.24783 AU (6.619381 Tm)
Eccentricity	0.051205
Orbital period	294.34 yr (107507 d)
Average orbital speed	4.47 km/s
Mean anomaly	328.550°
Mean motion	0° 0^m 12.055^s / day
Inclination	3.73761°
Longitude of ascending node	25.5755°
Argument of perihelion	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
Rotation period	? d
Geometric albedo	0.09 (assumed)
Temperature	~42 K
Spectral type	?
Absolute magnitude (H)	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

1 2 3 "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.
↑ "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
(16684) 1994 JQ1 at the JPL Small-Body Database
- Discovery · Orbit diagram · Orbital elements · Physical parameters

Minor planets navigator

16683 Alepieri (16684) 1994 JQ₁ (16685) 1994 JU8

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