1817 Katanga

1817 Katanga
Discovery
Discovered by	C. Jackson
Discovery site	Johannesburg Obs.
Discovery date	20 June 1939
Designations
MPC designation	(1817) Katanga
Named after	Katanga Province; (Congo, Dem. Rep.)
Alternative designations	1939 MB · 1928 KD; 1950 NK · 1971 BG
Minor planet category	main-belt · Phocaea
Orbital characteristics
	Epoch 4 September 2017 (JD 2458000.5)
	Uncertainty parameter 0
Observation arc	77.58 yr (28,337 days)
Aphelion	2.8258 AU
Perihelion	1.9172 AU
Semi-major axis	2.3715 AU
Eccentricity	0.1916
Orbital period (sidereal)	3.65 yr (1,334 days)
Mean anomaly	173.17°
Mean motion	0° 16m 11.64s / day
Inclination	25.709°
Longitude of ascending node	88.723°
Argument of perihelion	140.27°
Physical characteristics
Dimensions	9.76±1.21 km; 15.89±1.56 km; 15.90±1.0 km (IRAS:14); 16.28 km (derived)
Synodic rotation period	6.35±0.02 h; 7.2165±0.0003 h; 8.481±0.003 h
Geometric albedo	0.1331±0.018 (IRAS:14); 0.2421 (derived); 0.342±0.151; 0.353±0.089
Spectral type	S
Absolute magnitude (H)	10.78 · 11.1 · 11.80 ·

1817 Katanga, provisional designation 1939 MB, is a stony Phocaea asteroid in from the inner regions of the asteroid belt, approximately 16 kilometers in diameter. It was discovered on 20 June 1939, by English-born South African astronomer Cyril Jackson at Johannesburg Observatory in South Africa.^[10] It is named for the Katanga Province.^[2]

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^ ^a ^b ^c Cite error: The named reference Masiero-2012 was invoked but never defined (see the help page).
^ ^a ^b ^c Cite error: The named reference SIMPS was invoked but never defined (see the help page).
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^ Cite error: The named reference Warner-2008m was invoked but never defined (see the help page).
^ Cite error: The named reference MPC-Katanga was invoked but never defined (see the help page).

[jpldata-1] Cite error: The named reference jpldata was invoked but never defined (see the help page).

[springer-2] Cite error: The named reference springer was invoked but never defined (see the help page).

[lcdb-3] Cite error: The named reference lcdb was invoked but never defined (see the help page).

[AKARI-4] Cite error: The named reference AKARI was invoked but never defined (see the help page).

[Masiero-2012-5] Cite error: The named reference Masiero-2012 was invoked but never defined (see the help page).

[SIMPS-6] Cite error: The named reference SIMPS was invoked but never defined (see the help page).

[Malcolm-2002-7] Cite error: The named reference Malcolm-2002 was invoked but never defined (see the help page).

[geneva-obs-8] Cite error: The named reference geneva-obs was invoked but never defined (see the help page).

[Warner-2008m-9] Cite error: The named reference Warner-2008m was invoked but never defined (see the help page).

[MPC-Katanga-10] Cite error: The named reference MPC-Katanga was invoked but never defined (see the help page).

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1817 Katanga

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