In orbitRocket body

DELTA 2 R/B(2)

NORAD: 25573
COSPAR: 1998-073C

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: Boeing Space Systems (HB)
Platform (bus): Star 48
Mass at launch: 2,141 kg
Dry mass: 132 kg
Length: 2 m
Diameter: 1.2 m
Span with arrays and booms: 2 m
Shape: Sphere + Cone

From GCAT by Jonathan McDowell (CC BY 4.0), record S25573, checked 2026-11-05. About this source

Launch

Launch date: 1998-12-11
Rocket: Delta 7425-9.5
Flight: Mars Climate Orbiter
Mission name: MCO
Launch site: CC, SLC17A
Launched by: Boeing Launch Services (?)
Rocket performance: Success
Launch designator: 1998-073

From the GCAT launch log, launch 1998-073, checked 2026-11-05. About this source

Catalogue record

Object type: Rocket body
Owner code: US
Launch date: 1998-12-11
Orbits: the Sun

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

Where it came from

Parent object: DELTA 2 R/B(1) (NORAD 25572)
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

Payload1 in total, 0 still in orbit
Rocket body2 in total, 1 still in orbit