
Astro Corner
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Celestial object
C/1999 L2 (LINEAR)
1999 L2, C/1999 L2 (LINEAR), LINEAR
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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 designation1999 L2
JPL SPK-ID1000263
Orbit classCOM
Orbit IDJPL 17
Near-Earth objectNo
Potentially hazardousNo
Epoch · JD2451351.5
Eccentricity0.995145690912
Semi-major axis392.386279607 AU
Perihelion distance1.904764283 AU
Orbital period2,839,024.5 days
Earth MOID0.888425000 AU
Jupiter Tisserand1.244000
Inclination43.94172645°
Absolute magnitude · H—
Comet total magnitude · M113.0000 · K1 10.0000
Diameter—
Albedo—
Last catalogue sync2026-09-18 07:50:02
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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