51825 Davidbrown

51825 Davidbrown

Discovery[1] and designation
Discovered by	JPL Near Earth Asteroid Tracking Program
Discovery date	July 19, 2001
Designations
Named after	David McDowell Brown
Alternate name(s)	2001 OQ33
Minor planet category	Main belt
Orbital characteristics[2]
Epoch February 4, 2008 (JD 2454500.5)
Aphelion	473.941 Gm (3.168 AU)
Perihelion	413.977 Gm (2.767 AU)
Semi-major axis	443.959 Gm (2.968 AU)
Eccentricity	0.068
Orbital period	1867.347 d (5.11 a)
Average orbital speed	17.27 km/s
Mean anomaly	359.227°
Inclination	9.625°
Longitude of ascending node	23.645°
Proper orbital elements
Physical characteristics
Dimensions	? km
Mass	?×10? kg
Mean density	? g/cm³
Equatorial surface gravity	? m/s²
Equatorial escape velocity	? km/s
Sidereal rotation period	? d
Axial tilt	?°
Pole ecliptic latitude	?
Pole ecliptic longitude	?
Geometric albedo	0.10
Temperature	~162 K
Spectral type	?
Absolute magnitude (H)	13.9

51825 Davidbrown (2001 OQ₃₃) is an asteroid named for astronaut David Brown, who was killed in the STS-107 (Columbia) space shuttle reentry disaster on February 1, 2003. 51825 Davidbrown was discovered on July 19, 2001 at Palomar Observatory by the JPL Near Earth Asteroid Tracking Program.

External links

• NASA JPL - Space Shuttle Columbia Tribute page
• Orbital simulation and data for 51825 Davidbrown

References