1841 Masaryk information

1841 Masaryk
	Shape model of Masaryk from its lightcurve
Discovery
Discovered by	L. Kohoutek
Discovery site	Bergedorf Obs.
Discovery date	26 October 1971
Designations
MPC designation	(1841) Masaryk
Named after	Tomáš Garrigue Masaryk (Czechoslovak President)
Alternative designations	1971 UO1 · 1936 FW; 1955 DE · 1959 VJ; 1968 FG · 1970 QN
Minor planet category	main-belt · (outer)
Orbital characteristics
	Epoch 4 September 2017 (JD 2458000.5)
	Uncertainty parameter 0
Observation arc	81.02 yr (29,591 days)
Aphelion	3.7629 AU
Perihelion	3.0796 AU
Semi-major axis	3.4213 AU
Eccentricity	0.0999
Orbital period (sidereal)	6.33 yr (2,311 days)
Mean anomaly	313.50°
Mean motion	0° 9m 20.52s / day
Inclination	2.6203°
Longitude of ascending node	45.323°
Argument of perihelion	119.95°
Physical characteristics
Dimensions	38.642±0.544 km; 40.240±0.504; 43.77±0.83 km; 46.04 km (derived); 46.07±2.5 km
Synodic rotation period	7.53±0.04 h; 7.54301±0.00001 h
Geometric albedo	0.0364 (derived); 0.0398±0.005; 0.045±0.002; 0.052±0.005; 0.0567±0.0036
Spectral type	P · CX · C
Absolute magnitude (H)	10.8 · 10.9 · 10.94±0.19

1841 Masaryk (prov. designation: 1971 UO₁) is a carbonaceous background asteroid from the outer region of the asteroid belt, approximately 46 kilometers in diameter. It was discovered on 26 October 1971, by Czech astronomer Luboš Kohoutek at Bergedorf Observatory in Hamburg, Germany.^[11] The asteroid was named after the first President of Czechoslovakia, Tomáš Garrigue Masaryk.^[2]

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1841 Masaryk information

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Discovery^[1]
Shape model of Masaryk from its lightcurve
Discovered by	L. Kohoutek
Discovery site	Bergedorf Obs.
Discovery date	26 October 1971
Designations
MPC designation	(1841) Masaryk
Named after	Tomáš Garrigue Masaryk (Czechoslovak President)^[2]
Alternative designations	1971 UO₁ · 1936 FW 1955 DE · 1959 VJ 1968 FG · 1970 QN
Minor planet category	main-belt · (outer)^[1]
Orbital characteristics^[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc	81.02 yr (29,591 days)
Aphelion	3.7629 AU
Perihelion	3.0796 AU
Semi-major axis	3.4213 AU
Eccentricity	0.0999
Orbital period (sidereal)	6.33 yr (2,311 days)
Mean anomaly	313.50°
Mean motion	0° 9^m 20.52^s / day
Inclination	2.6203°
Longitude of ascending node	45.323°
Argument of perihelion	119.95°
Physical characteristics
Dimensions	38.642±0.544 km^[3] 40.240±0.504^[4] 43.77±0.83 km^[5] 46.04 km (derived)^[6] 46.07±2.5 km^[7]
Synodic rotation period	7.53±0.04 h^[8] 7.54301±0.00001 h^[9]
Geometric albedo	0.0364 (derived)^[6] 0.0398±0.005^[7] 0.045±0.002^[5] 0.052±0.005^[4] 0.0567±0.0036^[3]
Spectral type	P^[3] · CX^[10] · C^[6]
Absolute magnitude (H)	10.8^[3]^[5]^[7] · 10.9^[1]^[6] · 10.94±0.19^[10]