Astro Corner
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Celestial object
47P/Ashbrook-Jackson
47P, 47P/Ashbrook-Jackson, Ashbrook-Jackson
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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 designation47P
JPL SPK-ID1000003
Orbit classJFc
Orbit IDJPL K252/8
Near-Earth objectNo
Potentially hazardousNo
Epoch · JD2459557.5
Eccentricity0.318536741739
Semi-major axis4.123452729 AU
Perihelion distance2.809981532 AU
Orbital period3,058.4 days
Earth MOID1.804100000 AU
Jupiter Tisserand2.906000
Inclination13.04062022°
Absolute magnitude · H—
Comet total magnitude · M113.1000 · K1 4.7500
Diameter5.600000 km
Albedo—
Last catalogue sync2026-09-18 07:40:03
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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Published Guides that reference this canonical object.
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Images of this object
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