C/1892 Q1 Brooks
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C/1892 Q1 was discovered on 28 August 1892 by William Robert Brooks (Smith Observatory at Hobart College, Geneva, New York, USA), that is about 4 months before its perihelion passage, and it was last seen on 19 July 1893 [Kronk, Cometography: Volume 2].
This comet made its closest approach to the Earth on 12 December 1892 (2.27 au), that is about two weeks before perihelion passage.
Solutions given here are based on data spanning over 0.863 yr in a range of heliocentric distances from 2.11 au through perihelion (0.976 au) to 3.04 au.
This Oort spike comet suffers moderate planetary perturbations during its passage through the planetary system; these perturbations lead to a escape the comet from the planetary zone on hypebolic orbit (see future barycentric orbits).
See also Królikowska 2020.
This comet made its closest approach to the Earth on 12 December 1892 (2.27 au), that is about two weeks before perihelion passage.
Solutions given here are based on data spanning over 0.863 yr in a range of heliocentric distances from 2.11 au through perihelion (0.976 au) to 3.04 au.
This Oort spike comet suffers moderate planetary perturbations during its passage through the planetary system; these perturbations lead to a escape the comet from the planetary zone on hypebolic orbit (see future barycentric orbits).
See also Królikowska 2020.
| solution description | ||
|---|---|---|
| number of observations | 187 | |
| data interval | 1892 09 01 – 1893 07 13 | |
| data type | perihelion within the observation arc (FULL) | |
| data arc selection | entire data set (STD) | |
| range of heliocentric distances | 2.11 au – 0.98 au (perihelion) – 3.04 au | |
| type of model of motion | NS - non-gravitational orbits for standard g(r) | |
| data weighting | YES | |
| number of residuals | 334 | |
| RMS [arcseconds] | 2.80 | |
| orbit quality class | 2a | |
| previous orbit statistics, both Galactic and stellar perturbations were taken into account | ||
|---|---|---|
| no. of returning VCs in the swarm | 4001 | * |
| no. of escaping VCs in the swarm | 1000 | |
| no. of hyperbolas among escaping VCs in the swarm | 644 | |
| previous reciprocal semi-major axis [10-6 au-1] | -7.31 – 57.87 – 121.69 | |
| previous perihelion distance [au] | 1 – 1.2 – 2000 | R |
| previous aphelion distance [103 au] | 16 – 30 – 120 | |
| time interval to previous perihelion [Myr] | 0.7 – 1.7 – 6.4 | R |
| percentage of VCs with qprev < 10 | 66 | |
| percentage of VCs with qprev > 20 | 34 | |
Time distribution of positional observations with corresponding heliocentric (red curve) and geocentric (green curve) distance at which they were taken. The horizontal dotted line shows the perihelion distance for a given comet whereas vertical dotted line — the moment of perihelion passage.
| previous orbit statistics, here only the Galactic tide has been included | ||
|---|---|---|
| no. of returning VCs in the swarm | 3961 | * |
| no. of escaping VCs in the swarm | 1040 | |
| no. of hyperbolas among escaping VCs in the swarm | 644 | |
| previous reciprocal semi-major axis [10-6 au-1] | -7.42 – 57.86 – 121.68 | |
| previous perihelion distance [au] | 1 – 1.2 – 30 | R |
| previous aphelion distance [103 au] | 16 – 30 – 120 | |
| time interval to previous perihelion [Myr] | 0.69 – 1.7 – 6.2 | R |
| percentage of VCs with qprev < 10 | 84 | |
| percentage of VCs with 10 < qprev < 20 | 4 | |
| percentage of VCs with qprev > 20 | 12 | |