In orbitRocket body

BLOCK DM-SL R/B

NORAD: 29521
COSPAR: 2006-049B

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: RKK Energiya
Owner: Sea Launch Limited Partnership
Platform (bus): Blok DM2
Main engine: 11D58M
Mass at launch: 11,620 kg(estimate, good to about 20%)
Dry mass: 3,070 kg
Total mass with attached parts: 3,070 kg(estimate, good to about 20%)
Length: 6.3 m
Diameter: 3.7 m
Span with arrays and booms: 6.3 m
Shape: Cyl

From GCAT by Jonathan McDowell (CC BY 4.0), record S29521, checked 2026-11-05. About this source

Launch

Launch date: 2006-10-30
Rocket: Zenit-3SL
Flight: SL22 XM Radio-4
Mission name: XM Radio-4
Launch site: KLA
Launched by: Sea Launch Limited Partnership
Rocket performance: Success
Launch designator: 2006-049

From the GCAT launch log, launch 2006-049, checked 2026-11-05. About this source

Catalogue record

Object type: Rocket body
Owner code: SEAL
Launch date: 2006-10-30
Period: 657.9 min
Inclination: 0.93°
Apogee: 36,032 km
Perigee: 1,328 km
Radar cross-section: 20.5386 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