In orbitRocket body

DELTA 1 R/B

NORAD: 4251
COSPAR: 1969-101B

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: NASA Goddard Space Flight Center
Platform (bus): Star 37
Mass at launch: 718 kg
Dry mass: 65 kg
Total mass with attached parts: 65 kg
Length: 1 m
Diameter: 0.9 m
Span with arrays and booms: 1 m
Shape: Sphere + Cone

From GCAT by Jonathan McDowell (CC BY 4.0), record S04251, checked 2026-11-05. About this source

Launch

Launch date: 1969-11-22
Rocket: Thor Delta M
Flight: Skynet 1A
Mission name: Skynet IA
Launch site: CC, LC17A
Launched by: NASA Goddard Space Flight Center
Rocket performance: Success
Launch designator: 1969-101

From the GCAT launch log, launch 1969-101, checked 2026-11-05. About this source

Catalogue record

Object type: Rocket body
Owner code: US
Launch date: 1969-11-22
Period: 309.7 min
Inclination: 27.86°
Apogee: 17,166 km
Perigee: 401 km
Radar cross-section: 1.804 m²

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

Where it came from

Catalogued pieces that came from it: 1

Everything from this launch

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