Re-entered 1999-05-31Debris

DELTA 2 DEB

NORAD: 25139
COSPAR: 1998-002F

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.

Is it working?

Sources agree

Source	What it says	Date
CelesTrak SATCAT	Decayed or deorbited	1999-05-31
GCAT (J. McDowell)	Re-entered	1999-05-31

Each line is one source and what it says. Where they disagree, both are shown; OrbitalWiki does not pick a winner.

Spacecraft

Owner: Boeing Space Systems (HB)

From GCAT by Jonathan McDowell (CC BY 4.0), record S25139, checked 2026-11-06. About this source

Launch

Launch date: 1998-01-10
Rocket: Delta 7925-9.5
Flight: Skynet 4D
Mission name: Skynet 4D
Launch site: CC, LC17B
Launched by: Boeing Launch Services (?)
Rocket performance: Success
Launch designator: 1998-002

From the GCAT launch log, launch 1998-002, checked 2026-11-06. About this source

Catalogue record

Object type: Debris
Owner code: US
Launch date: 1998-01-10
Re-entered: 1999-05-31
Period: 89.2 min
Inclination: 28.52°
Apogee: 264 km
Perigee: 203 km
Radar cross-section: 0.1621 m²

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

Where it came from

Parent object: DELTA 2 R/B(1) (NORAD 25135)

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

Everything from this launch

Debris3 in total, 1 still in orbit
Payload1 in total, 1 still in orbit
Rocket body2 in total, 2 still in orbit