(85633) 1998 KR65

(85633) 1998 KR₆₅

Discovery
Discovered by	Gary M. Bernstein
Discovery date	29 May 1998
Designations
MPC designation	(85633) 1998 KR65
Alternative names	none
Minor planet category	TNO (cubewano)[1][2]
Orbital characteristics[3]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 3
Observation arc	3289 days (9.00 yr)
Aphelion	44.719 AU (6.6899 Tm)
Perihelion	41.986 AU (6.2810 Tm)
Semi-major axis	43.352 AU (6.4854 Tm)
Eccentricity	0.031514
Orbital period	285.45 yr (104260 d)[4]
Average orbital speed	?km/s
Mean anomaly	247.48°
Mean motion	0° 0^m 12.43^s / day
Inclination	1.1903°
Longitude of ascending node	101.95°
Argument of perihelion	338.56°
Earth MOID	41.0013 AU (6.13371 Tm)
Jupiter MOID	36.8672 AU (5.51525 Tm)
Physical characteristics
Dimensions	192 km[5]
Geometric albedo	0.09 (assumed)
Absolute magnitude (H)	6.7

(85633) 1998 KR₆₅, also written as (85633) 1998 KR65, is a cubewano. It has a perihelion (closest approach to the Sun) at 42.385 AU and an aphelion (farthest approach from the Sun) at 44.859 AU. It is about 192 km in diameter. It was discovered on May 29, 1998, by Gary M. Bernstein.

References

1. "MPEC 2009-R09 :Distant Minor Planets (2009 SEPT. 16.0 TT)". IAU Minor Planet Center. 2009-09-04. Retrieved 2009-10-04.
2. Marc W. Buie. "Orbit Fit and Astrometric record for 85633". SwRI (Space Science Department). Retrieved 2009-10-04. 2007-05-22 using 55 observations
3. "JPL Small-Body Database Browser: 85633 (1998 KR65)". NASA/Jet Propulsion Laboratory. Retrieved 7 April 2016.
4. AstDyS: (85633) 1998KR65
5. List of known trans-Neptunian objects

1. http://cfa-www.harvard.edu/iau/lists/TNOs.html

External links

• (85633) 1998 KR65 at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters