1540 Kevola

Kevola
Discovery
Discovered by	L. Oterma
Discovery site	Turku
Discovery date	16 November 1938
Designations
MPC designation	1540
Named after	Kevola Observatory
Alternative names	1938 WK
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	89.97 yr (32861 days)
Aphelion	3.0889787 AU (462.10464 Gm)
Perihelion	2.6070513 AU (390.00932 Gm)
Semi-major axis	2.848015 AU (426.0570 Gm)
Eccentricity	0.0846076
Orbital period	4.81 yr (1755.5 d)
Mean anomaly	315.1260°
Mean motion	0° 12^m 18.233^s / day
Inclination	11.96830°
Longitude of ascending node	52.48768°
Argument of perihelion	113.84820°
Earth MOID	1.63743 AU (244.956 Gm)
Jupiter MOID	1.94465 AU (290.915 Gm)
Jupiter Tisserand parameter	3.269
Physical characteristics
Mean radius	7001220900000000000♠22.09±0.85 km
Rotation period	20.082 h (0.8368 d)
Geometric albedo	6998433000000000000♠0.0433±0.004
Absolute magnitude (H)	10.8

1540 Kevola (1938 WK) is a main-belt asteroid discovered on November 16, 1938, by L. Oterma at Turku. It was named after the Kevola Observatory in Finland, operated by Hilkka Rantaseppä-Helenius.

References

Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html

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