1428 Mombasa information

1428 Mombasa
Discovery
Discovered by	C. Jackson
Discovery site	Johannesburg Obs.
Discovery date	5 July 1937
Designations
MPC designation	(1428) Mombasa
Named after	Mombasa (city, port)
Alternative designations	1937 NO · 1933 WO; 1949 FA · 1957 YZ
Minor planet category	main-belt · (middle)
Orbital characteristics
	Epoch 16 February 2017 (JD 2457800.5)
	Uncertainty parameter 0
Observation arc	82.74 yr (30,219 days)
Aphelion	3.2039 AU
Perihelion	2.4154 AU
Semi-major axis	2.8096 AU
Eccentricity	0.1403
Orbital period (sidereal)	4.71 yr (1,720 days)
Mean anomaly	263.81°
Mean motion	0° 12m 33.48s / day
Inclination	17.305°
Longitude of ascending node	115.72°
Argument of perihelion	252.61°
Physical characteristics
Dimensions	52.464±0.268 km; 53.35±13.28 km; 55.34±0.70 km; 56.63±2.0 km; 56.83 km (derived); 57.59±19.41 km; 62.45±0.73 km; 127.203±29.18 km
Synodic rotation period	16.67±0.01 h; 17.12±0.01 h; 17.6±0.2 h
Geometric albedo	0.0010±0.0099; 0.0240±0.002; 0.025±0.001; 0.038±0.004; 0.04±0.04; 0.0415 (derived); 0.06±0.06
Spectral type	SMASS = Xc · P · C
Absolute magnitude (H)	9.95±0.74 · 10.20 · 10.27 · 10.3 · 10.9

1428 Mombasa, provisional designation 1937 NO, is a dark asteroid from the middle region of the asteroid belt, approximately 56 kilometers in diameter.

It was discovered on 5 July 1937, by English-born South African astronomer Cyril Jackson at Johannesburg Observatory, South Africa, and later named after Mombasa, Kenya.^[2]^[14]

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1428 Mombasa information

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