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SatelliteIndex

Satellite · NORAD 37728 · COSPAR 2011-029A

ORS-1 (USA 231)

DecayedPayloadLEOUnknown derived

Altitude now

—

object decayed

Velocity

—

Inclination

39.97°

Period

87.7 min

87.7 min

Perigee

154km

Apogee

162km

orbit unavailableNo orbital element set on file — decayed 12 Mar 2018.· Metadata updated 13 h ago

Live position

Live position

Live position unavailable — this object re-entered the atmosphere on 12 Mar 2018 and is no longer tracked.

Mission

Mission & classification

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

CelesTrak groups

Not listed in any CelesTrak group.

Aliases

  • ORS-1 (USA 231)Celestrak Satcat

Ownership

Operator & country

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

Launch

Launch

Launch page →
Launch date
30 Jun 2011
COSPAR launch id
2011-029
Launch site
Wallops Flight Facility / MARS, Virginia

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
37728
COSPAR / international designator
2011-029A
SatelliteIndex id
sat_01M28X3JSDTJN08WK48JAYC42R
Canonical slug
ors-1-usa-231-37728

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.