UPSA Object Registry
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10009 Hirosetanso

Asteroid
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.
Diameter
4.3 km
Absolute magnitude H
14.26
Semi-major axis
2.398 au
Eccentricity
0.105
Inclination
4.12°
Orbital period
3.723 y
Albedo
0.182

Also known as

4 identifiers

1000910009 Hirosetanso (1977 EA6)10009 HirosetansoHirosetanso

Orbit and body

JPL Small-Body Database · solution by Otto Matic
ClassMBA
Semi-major axis a2.398 au
Eccentricity e0.105
Inclination i4.12°
Perihelion q / aphelion Q2.146 / 2.65 au
Period1,360 d (3.723 y)
Node Ω / argument ω / M307.19° / 112.55° / 197.53°
Earth MOID1.16 au
Absolute magnitude H14.26
Diameter4.3 km
Albedo0.182
Rotation period— h
Spectral type—
Observation arc1977-03-12 → 2025-05-13 · 3,298 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/10009-hirosetanso · Registry entry updated 2026-08-14.