In orbitRocket body

DELTA 1 R/B

NORAD: 738
COSPAR: 1964-003B

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: Alleghany Ballistic Laboratories (USN/Hercules Powder Co)
Owner: NASA Goddard Space Flight Center
Platform (bus): Altair
Mass at launch: 24 kg
Dry mass: 24 kg
Length: 1.5 m
Diameter: 0.5 m
Span with arrays and booms: 1.5 m
Shape: Cyl

From GCAT by Jonathan McDowell (CC BY 4.0), record S00738, checked 2026-11-05. About this source

Launch

Launch date: 1964-01-21
Rocket: Thor Delta B
Flight: Relay 2
Mission name: Relay B
Launch site: CC, LC17B
Launched by: NASA Goddard Space Flight Center
Rocket performance: Success
Launch designator: 1964-003

From the GCAT launch log, launch 1964-003, checked 2026-11-05. About this source

Catalogue record

Object type: Rocket body
Owner code: US
Launch date: 1964-01-21
Period: 194.8 min
Inclination: 46.45°
Apogee: 7,647 km
Perigee: 1,858 km
Radar cross-section: 0.5191 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