UPSA Object Registry
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191P/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
3.533 au
Eccentricity
0.4207
Inclination
8.76°
Orbital period
6.653 y

Also known as

3 identifiers

191P191P/McNaughtMcNaught

Orbit and body

JPL Small-Body Database · solution by Otto Matic
ClassJFc
Semi-major axis a3.533 au
Eccentricity e0.4207
Inclination i8.76°
Perihelion q / aphelion Q2.046 / 5.02 au
Period2,430 d (6.653 y)
Node Ω / argument ω / M106.5° / 274.21° / 132.91°
Earth MOID1.07 au
Absolute magnitude H—
Diameter— km
Albedo—
Rotation period— h
Spectral type—
Observation arc2000-08-05 → 2022-01-14 · 787 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/191p-mcnaught · Registry entry updated 2026-08-14.