UPSA Object Registry
Registry · solar system

143P/Kowal-Mrkos

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
4.294 au
Eccentricity
0.4099
Inclination
4.69°
Orbital period
8.898 y

Also known as

3 identifiers

143P143P/Kowal-MrkosKowal-Mrkos

Orbit and body

JPL Small-Body Database · solution by Otto Matic
ClassJFc
Semi-major axis a4.294 au
Eccentricity e0.4099
Inclination i4.69°
Perihelion q / aphelion Q2.534 / 6.05 au
Period3,250 d (8.898 y)
Node Ω / argument ω / M245.31° / 320.84° / 275.56°
Earth MOID1.53 au
Absolute magnitude H—
Diameter— km
Albedo—
Rotation period— h
Spectral type—
Observation arc1984-04-23 → 2026-05-07 · 1,485 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/143p-kowal-mrkos · Registry entry updated 2026-08-14.