In orbitDebris

TANSEI-3 DEB

NORAD: 9981
COSPAR: 1977-012E

OrbitalWiki publishes live orbits for active satellites only. This object is in the full catalogue: who launched it, what it is and its last published orbit are below, but there are no current orbital elements for it here.

Spacecraft

Owner: Institute of Space and Aeronautical Sci

From GCAT by Jonathan McDowell (CC BY 4.0), record S09981, checked 2026-11-05. About this source

Launch

Launch date: 1977-02-19
Rocket: Mu-3H
Flight: Tansei-3/KM-A
Mission name: MS-T3
Launch site: KASC, M
Launched by: Institute of Space and Aeronautical Sci
Rocket performance: Success
Launch designator: 1977-012

From the GCAT launch log, launch 1977-012, checked 2026-11-05. About this source

Catalogue record

Object type: Debris
Owner code: JPN
Launch date: 1977-02-19
Period: 132.8 min
Inclination: 65.21°
Apogee: 3,702 km
Perigee: 784 km
Radar cross-section: 0.0678 m²

From CelesTrak SATCAT, checked 2026-11-05. About this source

Where it came from

Parent object: TANSEI-3 (MS-T3) (NORAD 9841)

The object this one was attached to at launch, or broke off from, as GCAT records it.

Everything from this launch

Debris9 in total, 8 still in orbit
Payload1 in total, 1 still in orbit
Rocket body1 in total, 0 still in orbit