Astro Corner
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Celestial object
C/2024 B1 (Lemmon)
2024 B1, C/2024 B1 (Lemmon), Lemmon
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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 designation2024 B1
JPL SPK-ID1003972
Orbit classHYP
Orbit IDJPL 35
Near-Earth objectNo
Potentially hazardousNo
Epoch · JD2460734.5
Eccentricity1.000880029430
Semi-major axis-1856.447475040 AU
Perihelion distance1.633728414 AU
Orbital period—
Earth MOID1.039430000 AU
Jupiter Tisserand—
Inclination70.90380176°
Absolute magnitude · H—
Comet total magnitude · M112.6000 · K1 6.5000
Diameter—
Albedo—
Last catalogue sync2026-09-18 12:50:02
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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Images of this object
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