UPSA Object Registry
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254P/McNaught

Comet
harvesting The full record is being pulled from the archives right now — measurement tables, the Gaia row, catalogue photometry. This page will fill itself in.
Semi-major axis
4.615 au
Eccentricity
0.3203
Inclination
32.57°
Orbital period
9.911 y

Also known as

3 identifiers

254P254P/McNaughtMcNaught

Orbit and body

JPL Small-Body Database · solution by Otto Matic
ClassJFc
Semi-major axis a4.615 au
Eccentricity e0.3203
Inclination i32.57°
Perihelion q / aphelion Q3.137 / 6.09 au
Period3,620 d (9.911 y)
Node Ω / argument ω / M129.17° / 219.47° / 354.67°
Earth MOID2.19 au
Absolute magnitude H
Diameter— km
Albedo
Rotation period— h
Spectral type
Observation arc1980-10-05 → 2026-02-24 · 834 observations

Provenance

where this card came from
ArchiveRead at (UTC)Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/254p-mcnaught · Registry entry updated 2026-08-14.