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SatelliteIndex

Rocket body · NORAD 37817 · COSPAR 2011-051B

BLOCK DM-SL R/B

InactiveRocket bodyHEORocket body derived

Altitude now

—

no element set

Velocity

—

Inclination

0.86°

Period

10.9 h

653.5 min

Perigee

1,583km

Apogee

35,554km

orbit unavailableNo orbital element set on file.· Metadata updated 11 h ago

Live position

Live position

Live position unavailable — no public orbital element set exists for this object (it may be classified, untracked or too small to catalogue).

Mission

Mission & classification

Mission type derived
Rocket body
Object type
Rocket body
Radar cross-section
15.7 m²

CelesTrak groups

Not listed in any CelesTrak group.

Aliases

  • BLOCK DM-SL R/BCelestrak Satcat

Ownership

Operator & country

Operator
Sea Launch
SATCAT owner code
SEAL · Sea Launch
Country
—

Launch

Launch

Launch page →
Launch date
24 Sept 2011
COSPAR launch id
2011-051
Launch site
Sea Launch Odyssey platform (Pacific, equator)

Objects from the same launch · 1

Change log

History

No changes recorded since first ingestion on 11 Sept 2026 18:54 UTC. Status, orbit class, name and ownership changes are logged here as sources are re-ingested.

Regulatory

UN registration

UN Register of Objects Launched into Outer Space (UNOOSA) — connector planned, not yet ingested; registration unavailable

Transparency

Sources & provenance

All sources →

No source is linked to this record yet — the catalogue row exists but no provenance entry has been written for it.

Field provenance

No field-level provenance recorded.

Timeline

Events

All events →

No events detected for this object yet. Launches, decays and orbit changes are generated by the derived-analytics connector.

Reference

Identifiers

NORAD catalogue number
37817
COSPAR / international designator
2011-051B
SatelliteIndex id
sat_01M28X3JSDTJN08WK48JAYC44T
Canonical slug
block-dm-sl-r-b-37817

Orbit class, mission type and constellation membership are derived by SatelliteIndex (Rocket body) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.