In orbitRocket body

SL-12 R/B(2)

NORAD: 28139
COSPAR: 2003-060D

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: Khrunichev State Research and Production Center
Platform (bus): Blok DM2
Mass at launch: 17,610 kg
Dry mass: 2,560 kg
Total mass with attached parts: 2,560 kg
Length: 7.1 m
Diameter: 3.7 m
Span with arrays and booms: 7.1 m
Shape: Cyl

From GCAT by Jonathan McDowell (CC BY 4.0), record S28139, checked 2026-11-05. About this source

Launch

Launch date: 2003-12-28
Rocket: Proton-K/DM-2M DM-2M
Flight: Ekspress AM-22
Mission name: Sesat-2
Launch site: GIK-5, LC200/39
Launched by: Khrunichev State Research and Production Center
Rocket performance: Success
Launch designator: 2003-060

From the GCAT launch log, launch 2003-060, checked 2026-11-05. About this source

Catalogue record

Object type: Rocket body
Owner code: CIS
Launch date: 2003-12-28
Period: 1435.3 min
Inclination: 13.68°
Apogee: 35,854 km
Perigee: 35,688 km
Radar cross-section: 1.5849 m²

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

Where it came from

Parent object: SL-12 R/B(1) (NORAD 28135)
Catalogued pieces that came from it: 4

The object this one was attached to at launch, or broke off from, as GCAT records it.

Everything from this launch

Debris1 in total, 0 still in orbit
Payload1 in total, 1 still in orbit
Rocket body4 in total, 1 still in orbit