In orbitRocket body

IUS R/B(2)

NORAD: 20844
COSPAR: 1990-090D

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: NASA Marshall Space Flight Center
Platform (bus): Orbus 6
Mass at launch: 3,908 kg
Dry mass: 1,134 kg
Total mass with attached parts: 1,134 kg
Length: 3.2 m
Diameter: 2.5 m
Span with arrays and booms: 5.6 m
Shape: Cone + Cone + Ant

From GCAT by Jonathan McDowell (CC BY 4.0), record S20844, checked 2026-11-05. About this source

Launch

Launch date: 1990-10-06
Rocket: Space Shuttle
Flight: Ulysses
Mission name: OV-103 IUS deploy
Launch site: NASA John F. Kennedy Space Center, LC39B
Launched by: JSC/MSFC
Rocket performance: Success
Launch designator: 1990-090

From the GCAT launch log, launch 1990-090, checked 2026-11-05. About this source

Catalogue record

Object type: Rocket body
Owner code: US
Launch date: 1990-10-06
Orbits: the Sun

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

Where it came from

Parent object: IUS R/B(1) (NORAD 20843)
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 body3 in total, 3 still in orbit