In orbitRocket body

ATLAS 5 CENTAUR R/B

NORAD: 37774
COSPAR: 2011-040B

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: United Launch Alliance, Decatur
Owner: Lockheed Martin Space Systems (Denver), Astronautics Operations
Platform (bus): Centaur SEC
Main engine: RL10-4A-2
Mass at launch: 7,950 kg(estimate, good to about 20%)
Dry mass: 2,020 kg
Total mass with attached parts: 2,020 kg(estimate, good to about 20%)
Length: 11.7 m
Diameter: 3.1 m
Span with arrays and booms: 11.7 m
Shape: Cyl

From GCAT by Jonathan McDowell (CC BY 4.0), record S37774, checked 2026-11-05. About this source

Launch

Launch date: 2011-08-05
Rocket: Atlas V 551
Flight: Juno
Mission name: Juno
Launch site: CC, SLC41
Launched by: United Launch Alliance/Lockheed Martin Astronautics
Rocket performance: Success
Launch designator: 2011-040

From the GCAT launch log, launch 2011-040, checked 2026-11-05. About this source

Catalogue record

Object type: Rocket body
Owner code: US
Launch date: 2011-08-05
Orbits: the Sun

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