2123 Vltava information

2123 Vltava
Discovery
Discovered by	N. Chernykh
Discovery site	Crimean Astrophysical Obs.
Discovery date	22 September 1973
Designations
MPC designation	(2123) Vltava
Named after	Vltava ; (Czech national river)
Alternative designations	1973 SL2 · 1934 PB; 1936 AE · 1942 EV; 1951 AQ1 · 1954 UL; 1956 AJ · 1956 CE; 1964 VZ · 1975 AR; 1977 JB1 · 1978 SO
Minor planet category	main-belt · (outer); Koronis
Orbital characteristics
	Epoch 4 September 2017 (JD 2458000.5)
	Uncertainty parameter 0
Observation arc	82.23 yr (30,036 days)
Aphelion	3.0862 AU
Perihelion	2.6337 AU
Semi-major axis	2.8600 AU
Eccentricity	0.0791
Orbital period (sidereal)	4.84 yr (1,767 days)
Mean anomaly	11.862°
Mean motion	0° 12m 13.68s / day
Inclination	1.0106°
Longitude of ascending node	311.62°
Argument of perihelion	58.849°
Physical characteristics
Dimensions	14.42±1.3 km (IRAS:2); 14.461±0.186; 14.800±0.252 km; 15.12±0.75 km
Synodic rotation period	16.2954±0.0282 h; 34.0 h
Geometric albedo	0.2032±0.0183; 0.212±0.034; 0.2135±0.046 (IRAS:2); 0.220±0.025
Spectral type	S
Absolute magnitude (H)	11.327±0.001 (R) · 11.50 (IRAS:2) · 11.5 · 11.75±0.09 · 12.09±0.50

2123 Vltava, provisional designation 1973 SL₂, is a stony Koronian asteroid from the outer region of the asteroid belt, approximately 15 kilometers in diameter. It was discovered on 22 September 1973, by Soviet–Russian astronomer Nikolai Chernykh at the Crimean Astrophysical Observatory on the Crimean peninsula in Nauchnyj.^[10] It is named for the river Vltava (Moldau).^[2]

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2123 Vltava information

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2123 Vltava

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