Re-entered 1986-01-28Rocket body

DELTA 1 R/B(2)

NORAD: 8479
COSPAR: 1975-117C

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	1986-01-28
GCAT (J. McDowell)	Re-entered	1982-11-10

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

Spacecraft

Built by: Thiokol-Elkton
Owner: NASA Goddard Space Flight Center
Platform (bus): Star 37
Mass at launch: 1,123 kg(estimate, good to about 20%)
Dry mass: 83 kg
Total mass with attached parts: 83 kg(estimate, good to about 20%)
Length: 1.7 m
Diameter: 0.9 m
Span with arrays and booms: 1.7 m
Shape: Sphere + Cone

From GCAT by Jonathan McDowell (CC BY 4.0), record S08479, checked 2026-11-05. About this source

Launch

Launch date: 1975-12-13
Rocket: Delta 3914
Flight: Satcom 1
Mission name: RCA-A
Launch site: CC, LC17A
Launched by: NASA Goddard Space Flight Center
Rocket performance: Success
Launch designator: 1975-117

From the GCAT launch log, launch 1975-117, checked 2026-11-05. About this source

Catalogue record

Object type: Rocket body
Owner code: US
Launch date: 1975-12-13
Re-entered: 1986-01-28
Period: 88.7 min
Inclination: 26.77°
Apogee: 274 km
Perigee: 150 km
Radar cross-section: 3.101 m²

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

Where it came from

Parent object: DELTA 1 R/B(1) (NORAD 8478)
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, 1 still in orbit
Rocket body2 in total, 0 still in orbit