In orbitRocket body

THOR BURNER 2 R/B

NORAD: 7817
COSPAR: 1975-043B

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

Built by: Thiokol-Elkton
Owner: USAF Space and Missile Systems Organization
Platform (bus): Star 26
Mass at launch: 353 kg
Dry mass: 115 kg
Total mass with attached parts: 115 kg
Length: 1 m
Diameter: 1 m
Span with arrays and booms: 1 m
Shape: Truss + Sphere + Cone

From GCAT by Jonathan McDowell (CC BY 4.0), record S07817, checked 2026-11-05. About this source

Launch

Launch date: 1975-05-24
Rocket: Thor Burner 2A
Flight: DMSP 10533
Mission name: DMSP Block 5C F-2
Launch site: V, SLC10W
Launched by: USAF Aerospace Defence Command, 10th Aerospace Defence Sqn.
Rocket performance: Success
Launch designator: 1975-043

From the GCAT launch log, launch 1975-043, checked 2026-11-05. About this source

Catalogue record

Object type: Rocket body
Owner code: US
Launch date: 1975-05-24
Period: 101.4 min
Inclination: 98.66°
Apogee: 865 km
Perigee: 787 km

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

Where it came from

Catalogued pieces that came from it: 1

Everything from this launch

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