Astro Corner
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Celestial object
C/2020 Q1 (Borisov)
2020 Q1, Borisov, C/2020 Q1 (Borisov)
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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 designation2020 Q1
JPL SPK-ID1003712
Orbit classCOM
Orbit IDJPL 14
Near-Earth objectNo
Potentially hazardousNo
Epoch · JD2459098.5
Eccentricity0.977886843087
Semi-major axis59.465667367 AU
Perihelion distance1.314973633 AU
Orbital period167,493.5 days
Earth MOID0.331976000 AU
Jupiter Tisserand-1.041000
Inclination142.92381355°
Absolute magnitude · H—
Comet total magnitude · M111.7000 · K1 41.2500
Diameter—
Albedo—
Last catalogue sync2026-09-18 12:30:02
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
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