UPSA Object Registry
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205P/Giacobini-A

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
3.539 au
Eccentricity
0.5687
Inclination
15.3°
Orbital period
6.653 y

Also known as

3 identifiers

205P-A205P/Giacobini-AGiacobini

Orbit and body

JPL Small-Body Database · solution by Otto Matic
ClassJFc
Semi-major axis a3.539 au
Eccentricity e0.5687
Inclination i15.3°
Perihelion q / aphelion Q1.526 / 5.55 au
Period2,430 d (6.653 y)
Node Ω / argument ω / M179.63° / 154.22° / 6.95°
Earth MOID0.532 au
Absolute magnitude H—
Diameter— km
Albedo—
Rotation period— h
Spectral type—
Observation arc2008-09-11 → 2009-02-21 · 1,143 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/205p-giacobini-a · Registry entry updated 2026-08-14.