Satellite · NORAD 4952 · COSPAR 1971-011A
TANSEI-1 (MS-T1)
- Operator Japan
- Constellation —
- Country Japan
Altitude now
—
no element set
Velocity
—
Inclination
29.67°
Period
106.0 min
106.0 min
Perigee
982km
Apogee
1,100km
orbit unavailableNo orbital element set on file.· Metadata updated 17 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
- Unknown
- Object type
- Payload
- SATCAT ops status
- Non-operational [-]
- Radar cross-section
- 0.7 m²
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- TANSEI-1 (MS-T1)Celestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- JPN · Japan
- Country
- Japan JP
Launch
Launch
- Launch date
- 16 Feb 1971
- COSPAR launch id
- 1971-011
- Launch site
- Uchinoura Space Center
Objects from the same launch · 2
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
- 4952
- COSPAR / international designator
- 1971-011A
- SatelliteIndex id
- sat_01M28X3JK4HE4M0SFWDV4926P7
- Canonical slug
- tansei-1-ms-t1-4952
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.