In orbitRocket body

IUS R/B(2)

NORAD: 15545
COSPAR: 1985-010D

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: United Technology Corp Chemical Systems Division (UTC CSD)
Owner: US Air Force Space Division
Platform (bus): Orbus 6
Mass at launch: 3,800 kg(estimate, good to about 20%)
Dry mass: 1,079 kg(estimate, good to about 20%)
Total mass with attached parts: 1,079 kg
Length: 2.1 m
Diameter: 1.6 m
Span with arrays and booms: 2.1 m
Shape: Sphere + Cone

From GCAT by Jonathan McDowell (CC BY 4.0), record S15545, checked 2026-11-05. About this source

Launch

Launch date: 1985-01-24
Rocket: Space Shuttle
Flight: USA 8 (ORION 1)
Mission name: OV-103 IUS deploy
Launch site: NASA John F. Kennedy Space Center, LC39A
Launched by: JSC/MSFC
Rocket performance: Success
Launch designator: 1985-010

From the GCAT launch log, launch 1985-010, checked 2026-11-05. About this source

Catalogue record

Object type: Rocket body
Owner code: US
Launch date: 1985-01-24
Period: 1428.4 min
Inclination: 12.50°
Apogee: 35,765 km
Perigee: 35,505 km

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

Where it came from

Parent object: IUS R/B(1) (NORAD 15544)
Catalogued pieces that came from it: 1

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

Everything from this launch

Payload2 in total, 1 still in orbit
Rocket body2 in total, 2 still in orbit