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SatelliteIndex

Debris object · NORAD 48172 · COSPAR 1991-050U

ERS 1 DEB

DecayedDebrisLEODebris derived

Altitude now

—

object decayed

Velocity

—

Inclination

98.61°

Period

90.7 min

90.7 min

Perigee

305km

Apogee

317km

orbit unavailableNo orbital element set on file — decayed 28 Mar 2025.· Metadata updated 10 h ago

Live position

Live position

Live position unavailable — this object re-entered the atmosphere on 28 Mar 2025 and is no longer tracked.

Mission

Mission & classification

Mission type derived
Debris
Object type
Debris
SATCAT ops status
Decayed [D]
Radar cross-section
—

CelesTrak groups

Not listed in any CelesTrak group.

Aliases

  • ERS 1 DEBCelestrak Satcat

Ownership

Operator & country

Operator
European Space Agency
SATCAT owner code
ESA · European Space Agency
Country
—

Launch

Launch

Launch page →
Launch date
17 Jul 1991
COSPAR launch id
1991-050
Launch site
Guiana Space Centre, Kourou

Objects from the same launch · 18

All objects from launch 1991-050 →

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
48172
COSPAR / international designator
1991-050U
SatelliteIndex id
sat_01M28X3JVNFCBSBJ94FV0X858S
Canonical slug
ers-1-deb-48172

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