Satellite · NORAD 25605 · COSPAR 1999-001A
MARS POLAR LANDER
- Operator United States
- Constellation —
- Country United States
Altitude now
—
object decayed
Velocity
—
Inclination
—
Period
—
Perigee
—
Apogee
—
orbit unavailableNo orbital element set on file — decayed 03 Dec 1999.· Metadata updated 13 h ago
Live position
Live position
Live position unavailable — this object re-entered the atmosphere on 03 Dec 1999 and is no longer tracked.
Mission
Mission & classification
- Mission type derived
- Unknown
- Object type
- Payload
- SATCAT ops status
- Decayed [D]
- Radar cross-section
- 5.0 m²
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- MARS POLAR LANDERCelestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- US · United States
- Country
- United States US
Launch
Launch
- Launch date
- 03 Jan 1999
- COSPAR launch id
- 1999-001
Objects from the same launch · 2
- DELTA 2 R/B(2)25606Rocket bodyInactive
- DELTA 2 R/B(1)25607Rocket bodyDecayed
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
Transparency
Sources & provenance
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
No events detected for this object yet. Launches, decays and orbit changes are generated by the derived-analytics connector.
Reference
Identifiers
- NORAD catalogue number
- 25605
- COSPAR / international designator
- 1999-001A
- SatelliteIndex id
- sat_01M28X3JQ95R9Y8N3H7XFHPTHC
- Canonical slug
- mars-polar-lander-25605
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.