1781 Van Biesbroeck information

1781 Van Biesbroeck
	Van Biesbroeck modeled from its lightcurve
Discovery
Discovered by	A. Kopff
Discovery site	Heidelberg Obs.
Discovery date	17 October 1906
Designations
MPC designation	(1781) Van Biesbroeck
Named after	George Van Biesbroeck; (astronomer)
Alternative designations	A906 UB · 1954 SZ; 1958 VP · 1969 TM2
Minor planet category	main-belt · Vestian
Orbital characteristics
	Epoch 4 September 2017 (JD 2458000.5)
	Uncertainty parameter 0
Observation arc	110.55 yr (40,377 days)
Aphelion	2.6541 AU
Perihelion	2.1355 AU
Semi-major axis	2.3948 AU
Eccentricity	0.1083
Orbital period (sidereal)	3.71 yr (1,354 days)
Mean anomaly	330.79°
Mean motion	0° 15m 57.24s / day
Inclination	6.9497°
Longitude of ascending node	44.630°
Argument of perihelion	342.83°
Physical characteristics
Dimensions	8.500±0.126; 9 km (estimate at 0.20)
Geometric albedo	0.203±0.023
Spectral type	XS
Absolute magnitude (H)	12.75 · 12.8

1781 Van Biesbroeck (prov. designation: A906 UB) is a Vesta asteroid from the inner regions of the asteroid belt, approximately 8.5 kilometers in diameter. It was discovered on 17 October 1906, by German astronomer August Kopff at Heidelberg Observatory in southern Germany.^[6] It was named after astronomer George Van Biesbroeck.^[2]

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1781 Van Biesbroeck information

and 12 Related for: 1781 Van Biesbroeck information

1781 Van Biesbroeck

George Van Biesbroeck

Van Biesbroeck

Vesta family

August Kopff

1780 Kippes

List of hyperbolic comets

Astronomical naming conventions

List of astronomers

List of minor planet discoverers

List of Orientalist artists

January 21

Discovery^[1]
Van Biesbroeck modeled from its lightcurve
Discovered by	A. Kopff
Discovery site	Heidelberg Obs.
Discovery date	17 October 1906
Designations
MPC designation	(1781) Van Biesbroeck
Named after	George Van Biesbroeck (astronomer)^[2]
Alternative designations	A906 UB · 1954 SZ 1958 VP · 1969 TM₂
Minor planet category	main-belt · Vestian^[3]
Orbital characteristics^[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc	110.55 yr (40,377 days)
Aphelion	2.6541 AU
Perihelion	2.1355 AU
Semi-major axis	2.3948 AU
Eccentricity	0.1083
Orbital period (sidereal)	3.71 yr (1,354 days)
Mean anomaly	330.79°
Mean motion	0° 15^m 57.24^s / day
Inclination	6.9497°
Longitude of ascending node	44.630°
Argument of perihelion	342.83°
Physical characteristics
Dimensions	8.500±0.126^[4] 9 km (estimate at 0.20)^[5]
Geometric albedo	0.203±0.023^[4]
Spectral type	XS^[3]
Absolute magnitude (H)	12.75^[3] · 12.8^[1]