(9952) 1991 AK

(9952) 1991 AK

Orbit of (9952) 1991 AK (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
Discovery
Discovered by	M. Arai & H. Mori
Discovery date	9 January 1991
Designations
MPC designation	(9952) 1991 AK
Alternative names	1976 SV2, 1989 SY6
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	14383 days (39.38 yr)
Aphelion	2.7696924 AU (414.34009 Gm)
Perihelion	2.5411515 AU (380.15085 Gm)
Semi-major axis	2.6554219 AU (397.24546 Gm)
Eccentricity	0.0430329
Orbital period	4.33 yr (1580.5 d)
Mean anomaly	266.69175°
Mean motion	0° 13^m 39.986^s / day
Inclination	1.929885°
Longitude of ascending node	332.71313°
Argument of perihelion	159.98661°
Earth MOID	1.55541 AU (232.686 Gm)
Jupiter MOID	2.2351 AU (334.37 Gm)
Physical characteristics
Dimensions	~37.1 km[2]
Geometric albedo	~0.01
Surface temp. min mean max Kelvin Celsius
Absolute magnitude (H)	13.0

(9952) 1991 AK is a main belt asteroid. It orbits the Sun once every 4.33 years.^[1]

Discovered on January 9, 1991, by M. Arai and Hiroshi Mori, it was given the provisional designation "1991 AK".^[3]

References

1. "JPL Small-Body Database Browser: 9952 (1991 AK)". 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 57626 Minor Planet Center

External links

• (9952) 1991 AK at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters