Re-entered 2026-03-15Debris

DELTA 1 DEB

NORAD: 10261
COSPAR: 1977-065CN

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	2026-03-15
GCAT (J. McDowell)	Re-entered	2026-03-16

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

Spacecraft

Owner: NASA Goddard Space Flight Center

From GCAT by Jonathan McDowell (CC BY 4.0), record S10261, checked 2026-11-05. About this source

Launch

Launch date: 1977-07-14
Rocket: Delta 2914
Flight: GMS
Mission name: GMS
Launch site: CC, LC17B
Launched by: NASA Goddard Space Flight Center
Rocket performance: Success
Launch designator: 1977-065

From the GCAT launch log, launch 1977-065, checked 2026-11-05. About this source

Catalogue record

Object type: Debris
Owner code: US
Launch date: 1977-07-14
Re-entered: 2026-03-15
Period: 88.9 min
Inclination: 28.97°
Apogee: 222 km
Perigee: 220 km
Radar cross-section: 0.0672 m²

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

Where it came from

Parent object: DELTA 1 R/B(1) (NORAD 10144)

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

Everything from this launch

Debris180 in total, 49 still in orbit
Payload1 in total, 1 still in orbit
Rocket body3 in total, 2 still in orbit