(9955) 1991 PU11

(9955) 1991 PU₁₁

Orbit of (9955) 1991 PU11 (blue), planets (red) and the Sun (black). The outermost planet visible if Jupiter.
Discovery
Discovered by	H. E. Holt
Discovery date	7 August 1991
Designations
MPC designation	(9955) 1991 PU11
Alternative names	1967 RG1, 1974 SE3, 1998 SP121
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	17684 days (48.42 yr)
Aphelion	2.6811585 AU (401.09560 Gm)
Perihelion	1.8657779 AU (279.11640 Gm)
Semi-major axis	2.2734682 AU (340.10600 Gm)
Eccentricity	0.1793253
Orbital period	3.43 yr (1252.1 d)
Mean anomaly	21.011628°
Mean motion	0° 17^m 15.078^s / day
Inclination	4.988404°
Longitude of ascending node	343.09205°
Argument of perihelion	24.252680°
Earth MOID	0.86365 AU (129.200 Gm)
Jupiter MOID	2.7764 AU (415.34 Gm)
Physical characteristics
Dimensions	~37.1 km[2]
Geometric albedo	~0.01
Surface temp. min mean max Kelvin Celsius
Absolute magnitude (H)	14.0

(9955) 1991 PU₁₁ is a main belt asteroid. It orbits the Sun once every 3.43 years.^[1]

Discovered on August 7, 1991, by H. E. Holt, it was given the provisional designation "1991 PU₁₁".^[3]

References

1. "JPL Small-Body Database Browser: 9955 (1991 PU11)". NASA/Jet Propulsion Laboratory. Retrieved 5 April 2016.
2. Tedesco E.F.; Noah P.V.; Noah M.; Price S.D. "The supplemental IRAS minor planet survey (SIMPS)".
3. MPO 62179 Minor Planet Center

External links

• (9955) 1991 PU11 at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters