In orbitRocket body

DELTA 1 R/B

NORAD: 20323
COSPAR: 1989-089B

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: McDonnell Douglas Astronautics/HB
Owner: McDonnell Douglas Astronautics/HB
Platform (bus): Delta/0020
Mass at launch: 6,930 kg
Dry mass: 919 kg
Total mass with attached parts: 919 kg
Length: 6 m
Diameter: 2.4 m
Span with arrays and booms: 6 m
Shape: Cyl + Cone

From GCAT by Jonathan McDowell (CC BY 4.0), record S20323, checked 2026-11-05. About this source

Launch

Launch date: 1989-11-18
Rocket: Delta 5920-8
Flight: COBE
Mission name: COBE
Launch site: V, SLC2W
Launched by: NASA Goddard Space Flight Center
Rocket performance: Success
Launch designator: 1989-089

From the GCAT launch log, launch 1989-089, checked 2026-11-05. About this source

Catalogue record

Object type: Rocket body
Owner code: US
Launch date: 1989-11-18
Period: 99.3 min
Inclination: 97.07°
Apogee: 773 km
Perigee: 673 km
Radar cross-section: 8.3925 m²

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

Where it came from

Catalogued pieces that came from it: 26

Everything from this launch

Debris103 in total, 2 still in orbit
Payload1 in total, 1 still in orbit
Rocket body1 in total, 1 still in orbit