1431 Luanda

Luanda
Discovery
Discovered by	C. Jackson
Discovery site	Johannesburg
Discovery date	29 July 1937
Designations
MPC designation	1431
Named after	Luanda
Alternative names	1937 OB
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	78.74 yr (28760 days)
Aphelion	3.1013993 AU (463.96273 Gm)
Perihelion	2.1426421 AU (320.53470 Gm)
Semi-major axis	2.622021 AU (392.2488 Gm)
Eccentricity	0.1828279
Orbital period	4.25 yr (1550.8 d)
Mean anomaly	201.06917°
Mean motion	0° 13^m 55.704^s / day
Inclination	13.98962°
Longitude of ascending node	117.82518°
Argument of perihelion	223.75433°
Earth MOID	1.15357 AU (172.572 Gm)
Jupiter MOID	2.3009 AU (344.21 Gm)
Jupiter Tisserand parameter	3.339
Physical characteristics
Rotation period	4.141 h (0.1725 d)
Absolute magnitude (H)	11.7

1431 Luanda (1937 OB) is a main-belt asteroid discovered on July 29, 1937, by C. Jackson at Johannesburg.

References

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

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