9930 Billburrows

9930 Billburrows
	File:AnimatedOrbitOf9930Billburrows.gif Orbit of 9930 Billburrows (blue), planets (red) and the Sun (black). The outermost planet visible is Jupiter.
Discovery
Discovered by	E. Bowell
Discovery date	5 February 1984
Designations
MPC designation	9930 Billburrows
Alternative names	1984 CP, 1961 CO, 1961 EF, 1980 BB6
Orbital characteristics
	Epoch 13 January 2016 (JD 2457400.5)
	Uncertainty parameter 0
Observation arc	23844 days (65.28 yr)
Aphelion	2.6891492 AU (402.29099 Gm)
Perihelion	2.1848325 AU (326.84629 Gm)
Semi-major axis	2.4369908 AU (364.56863 Gm)
Eccentricity	0.1034712
Orbital period	3.80 yr (1389.6 d)
Mean anomaly	96.055313°
Inclination	7.459058°
Longitude of ascending node	125.39089°
Argument of perihelion	77.859469°
Earth MOID	1.19618 AU (178.946 Gm)
Jupiter MOID	2.29875 AU (343.888 Gm)
Physical characteristics
Dimensions	~12.9 km
Geometric albedo	~0.01
Spectral type	C-type asteroid
Absolute magnitude (H)	13.8
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9930 Billburrows is a C-type main belt asteroid. It orbits the Sun once every 3.80 years.^[1]

Discovered on February 5, 1984 by Ted Bowell working at the Anderson Mesa Station of the Lowell Observatory, it was given the provisional designation "1984 CP". It was later renamed "Billburrows" after William E. Burrows, a professor at New York University who founded the Science, Health and Environmental Reporting school there.^[4] The name was suggested by E. M. Standish.^[5]

References

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