UPSA Object Registry
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25D/Neujmin 2

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
3.089 au
Eccentricity
0.5668
Inclination
10.64°
Orbital period
5.421 y

Also known as

3 identifiers

25D25D/Neujmin 2Neujmin

Orbit and body

JPL Small-Body Database · solution by M.S.W. Keesey
ClassJFc
Semi-major axis a3.089 au
Eccentricity e0.5668
Inclination i10.64°
Perihelion q / aphelion Q1.338 / 4.84 au
Period1,980 d (5.421 y)
Node Ω / argument ω / M328.72° / 193.7° / 11.58°
Earth MOID0.35 au
Absolute magnitude H—
Diameter— km
Albedo—
Rotation period— h
Spectral type—
Observation arc1916-03-05 → 1927-02-10 · 55 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/25d-neujmin-2 · Registry entry updated 2026-08-14.