UPSA Object Registry
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171P/Spahr

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
3.558 au
Eccentricity
0.5019
Inclination
21.93°
Orbital period
6.708 y

Also known as

3 identifiers

171P171P/SpahrSpahr

Orbit and body

JPL Small-Body Database · solution by Shantanu Naidu
ClassJFc
Semi-major axis a3.558 au
Eccentricity e0.5019
Inclination i21.93°
Perihelion q / aphelion Q1.772 / 5.34 au
Period2,450 d (6.708 y)
Node Ω / argument ω / M101.7° / 347.16° / 321.13°
Earth MOID0.794 au
Absolute magnitude H—
Diameter— km
Albedo—
Rotation period— h
Spectral type—
Observation arc2005-09-01 → 2026-03-06 · 681 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/171p-spahr · Registry entry updated 2026-08-14.