UPSA Object Registry
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10128 Bro

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
3.488 km
Absolute magnitude H
14.31
Semi-major axis
2.27 au
Eccentricity
0.2299
Inclination
5.6°
Orbital period
3.422 y
Rotation period
9.574 h
Albedo
0.23

Also known as

4 identifiers

1012810128 Bro (1993 FT31)10128 BroBro

Orbit and body

JPL Small-Body Database · solution by Otto Matic
ClassMBA
Semi-major axis a2.27 au
Eccentricity e0.2299
Inclination i5.6°
Perihelion q / aphelion Q1.748 / 2.79 au
Period1,250 d (3.422 y)
Node Ω / argument ω / M148.51° / 213.07° / 93.41°
Earth MOID0.746 au
Absolute magnitude H14.31
Diameter3.488 km
Albedo0.23
Rotation period9.5736 h
Spectral type—
Observation arc1953-09-13 → 2026-04-05 · 6,168 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/10128-bro · Registry entry updated 2026-08-14.