(65407) 2002 RP120

(65407) 2002 RP₁₂₀

Discovery
Discovered by	Brian A. Skiff (LONEOS)
Discovery date	4 September 2002
Designations
Alternative names	none
Minor planet category	Damocloid, Scattered disk object
Orbital characteristics [1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 2
Observation arc	1225 days (3.35 yr)
Aphelion	107.08 AU (16.019 Tm)
Perihelion	2.4759 AU (370.39 Gm)
Semi-major axis	54.780 AU (8.1950 Tm)
Eccentricity	0.95480
Orbital period	405.45 yr (148092 d)
Average orbital speed	3.98 km/s
Mean anomaly	11.779°
Mean motion	0° 0^m 8.751^s / day
Inclination	119.00°
Longitude of ascending node	39.238°
Argument of perihelion	357.99°
Earth MOID	1.48322 AU (221.887 Gm)
Jupiter MOID	2.50008 AU (374.007 Gm)
Physical characteristics
Dimensions	14.6 km[1]
Mean radius	7.3 ± 1.4 km
Mass	3.1×10^15 kg
Rotation period	200 h (8.3 d)[1]
Geometric albedo	0.098 ± 0.036[1]
Temperature	~ 37 K
Absolute magnitude (H)	12.3[1]

(65407) 2002 RP₁₂₀ (also written (65407) 2002 RP120) is a damocloid, which means it is also a member of a small group of retrograde minor planets. Aside from being a damocloid, it is also a scattered-disc object – a trans-Neptunian object with a very eccentric orbit, probably ejected from the ecliptic by Neptune.

References

1. "JPL Small-Body Database Browser: 65407 (2002 RP120)". Retrieved 6 April 2016.

External links

• Orbital simulation from JPL (Java)
• Horizons Ephemeris
• (65407) 2002 RP120 at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters