In orbitDebris

THOR DELTA 1 DEB

NORAD: 33518
COSPAR: 1971-024J

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: Communications Research Center

From GCAT by Jonathan McDowell (CC BY 4.0), record S33518, checked 2026-11-05. About this source

Launch

Launch date: 1971-04-01
Rocket: Thor Delta E1
Flight: Isis 2
Mission name: Isis B
Launch site: V, SLC2E
Launched by: NASA Goddard Space Flight Center
Rocket performance: Success
Launch designator: 1971-024

From the GCAT launch log, launch 1971-024, checked 2026-11-05. About this source

Catalogue record

Object type: Debris
Owner code: US
Launch date: 1971-04-01
Period: 111.9 min
Inclination: 88.15°
Apogee: 1,342 km
Perigee: 1,288 km
Radar cross-section: 0.0154 m²

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

Where it came from

Parent object: ISIS 2 (NORAD 5104)

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

Everything from this launch

Debris7 in total, 7 still in orbit
Payload1 in total, 1 still in orbit
Rocket body1 in total, 1 still in orbit