C/1900 O1 (Borrelly–Brooks)

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C/1900 O1 (Borrelly–Brooks)
Comet Borrelly–Brooks photographed by H. K. Palmer on 31 July 1900
Discovery
Discovered byAlphonse Borrelly
William R. Brooks
Discovery date23 July 1900
Designations
1900b
1900 II
Orbital characteristics
Epoch15 August 1900 (JD 2415246.5)
Observation arc94 days
Number of
observations
121
Perihelion1.015 AU
Eccentricity1.00032
Orbital period~66,000 years (inbound)
Inclination62.533°
329.41°
Argument of
periapsis
12.423°
Last perihelion3 August 1900
Earth MOID0.0154 AU
Jupiter MOID3.0621 AU
Physical characteristics
Mean radius
0.598 km (0.372 mi)
Comet total
magnitude
(M1)
8.64
5.0
(1900 apparition)

Comet Borrelly–Brooks, formal designation C/1900 O1, is a hyperbolic comet that was seen throughout the latter half of 1900.