In orbitRocket body

THOR AGENA D R/B

NORAD: 2255
COSPAR: 1966-056B

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: Lockheed Missiles and Space Co.
Owner: NASA Goddard Space Flight Center
Platform (bus): Agena D
Mass at launch: 600 kg
Dry mass: 600 kg
Length: 6.3 m
Diameter: 1.5 m
Span with arrays and booms: 6.3 m
Shape: Cyl

From GCAT by Jonathan McDowell (CC BY 4.0), record S02255, checked 2026-11-05. About this source

Launch

Launch date: 1966-06-24
Rocket: Thor SLV-2A Agena D
Flight: Pageos
Mission name: Pageos A
Launch site: V, 75-1-1
Launched by: LERC/AFSSD
Rocket performance: Success
Launch designator: 1966-056

From the GCAT launch log, launch 1966-056, checked 2026-11-05. About this source

Catalogue record

Object type: Rocket body
Owner code: US
Launch date: 1966-06-24
Period: 181.2 min
Inclination: 86.97°
Apogee: 4,279 km
Perigee: 4,178 km
Radar cross-section: 6.6496 m²

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

Where it came from

Catalogued pieces that came from it: 2

Everything from this launch

Debris80 in total, 3 still in orbit
Payload1 in total, 0 still in orbit
Rocket body1 in total, 1 still in orbit