UPSA Object Registry
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149P/Mueller 4

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
4.326 au
Eccentricity
0.3883
Inclination
29.75°
Orbital period
9.008 y
Rotation period
11.88 h

Also known as

3 identifiers

149P149P/Mueller 4Mueller

Orbit and body

JPL Small-Body Database · solution by Otto Matic
ClassJFc
Semi-major axis a4.326 au
Eccentricity e0.3883
Inclination i29.75°
Perihelion q / aphelion Q2.646 / 6.01 au
Period3,290 d (9.008 y)
Node Ω / argument ω / M145.26° / 43.57° / 128.28°
Earth MOID1.72 au
Absolute magnitude H—
Diameter— km
Albedo—
Rotation period11.88 h
Spectral type—
Observation arc1992-04-09 → 2019-07-31 · 494 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/149p-mueller-4 · Registry entry updated 2026-08-14.