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SatelliteIndex

Satellite · NORAD 29251 · COSPAR 2006-028A

STS 121

DecayedPayloadLEOUnknown derived

Altitude now

—

object decayed

Velocity

—

Inclination

51.63°

Period

91.4 min

91.4 min

Perigee

332km

Apogee

351km

orbit unavailableNo orbital element set on file — decayed 17 Jul 2006.· Metadata updated 16 h ago

Live position

Live position

Live position unavailable — this object re-entered the atmosphere on 17 Jul 2006 and is no longer tracked.

Mission

Mission & classification

Mission type derived
Unknown
Object type
Payload
SATCAT ops status
Decayed [D]
Radar cross-section
23.1 m²

CelesTrak groups

Not listed in any CelesTrak group.

Aliases

  • STS 121Celestrak Satcat

Ownership

Operator & country

Operator
—
SATCAT owner code
US · United States
Country
United States US

Launch

Launch

Launch page →
Launch date
04 Jul 2006
COSPAR launch id
2006-028
Launch site
Cape Canaveral / Kennedy Space Center (Eastern Range), Florida

Objects from the same launch

No other catalogued object is linked to this launch.

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
29251
COSPAR / international designator
2006-028A
SatelliteIndex id
sat_01M28X3JQXR6FFEMCFY4ZEC0BZ
Canonical slug
sts-121-29251

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