Astro Corner
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Celestial object
C/1885 R1 (Brooks)
1885 R1, Brooks, C/1885 R1 (Brooks)
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Reference data
RADate-dependentMoving object · use an ephemeris
DecDate-dependentMoving object · use an ephemeris
Magnitude—
Angular size—
Position angle—
Distance—
Constellation—
Solar System catalogue
JPL SBDBMoving-object reference
Comets and minor planets move against the background sky. Astro Corner therefore keeps their orbital catalogue record separately and does not pretend a single RA/Dec is permanently correct.
Primary designation1885 R1
JPL SPK-ID1000891
Orbit classCOM
Orbit IDSAO_2008
Near-Earth objectNo
Potentially hazardousNo
Epoch · JD2409760.5
Eccentricity0.982264000000
Semi-major axis42.238892600 AU
Perihelion distance0.749149000 AU
Orbital period100,443.8 days
Earth MOID—
Jupiter Tisserand0.672000
Inclination59.09700000°
Absolute magnitude · H—
Diameter—
Albedo—
Last catalogue sync2026-09-18 08:40:02
Planning coordinates are intentionally separate.A later Horizons ephemeris layer can calculate the object's apparent position for a specific date, time and observing location. Until then, static-sky tools are hidden for this record rather than showing misleading coordinates.
Open JPL Small-Body Database 
Reference transparencySources & data provenanceSee where catalogue identities and imported reference fields came from.4 records
Community observations
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Guides & knowledge
Published Guides that reference this canonical object.
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Images of this object
Confirmed manual or plate-solve links to this canonical object. Solver suggestions are excluded until confirmed by the image owner.
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