Astro Corner
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Celestial object
C/2024 J3 (ATLAS)
2024 J3, ATLAS, C/2024 J3 (ATLAS)
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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 J3
JPL SPK-ID1004001
Orbit classHYP
Orbit IDJPL 69
Near-Earth objectNo
Potentially hazardousNo
Epoch · JD2461062.5
Eccentricity1.000366627023
Semi-major axis-10543.325310922 AU
Perihelion distance3.865467975 AU
Orbital period—
Earth MOID3.443390000 AU
Jupiter Tisserand0.606000
Inclination75.64089137°
Absolute magnitude · H—
Comet total magnitude · M19.5000 · K1 4.5000
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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Guides & knowledge
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Images of this object
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