Satellite · NORAD 27515 · COSPAR 2002-042A
USERS SEM
- Operator Japan
- Constellation —
- Country Japan
Altitude now
—
object decayed
Velocity
—
Inclination
30.40°
Period
88.4 min
88.4 min
Perigee
190km
Apogee
196km
orbit unavailableNo orbital element set on file — decayed 15 Jun 2007.· Metadata updated 13 h ago
Live position
Live position
Live position unavailable — this object re-entered the atmosphere on 15 Jun 2007 and is no longer tracked.
Mission
Mission & classification
- Mission type derived
- Unknown
- Object type
- Payload
- SATCAT ops status
- Decayed [D]
- Radar cross-section
- 5.1 m²
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- USERS SEMCelestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- JPN · Japan
- Country
- Japan JP
Launch
Launch
- Launch date
- 10 Sept 2002
- COSPAR launch id
- 2002-042
- Launch site
- Tanegashima Space Center
Objects from the same launch · 7
- H-2A DEB27519DebrisDecayed
- H-2A DEB27520DebrisDecayed
- H-2A DEB27527DebrisDecayed
- KODAMA (DRTS)27516PayloadUnknown
- USERS REM27815PayloadDecayed
- H-2A R/B(1)27517Rocket bodyDecayed
- H-2A R/B(2)27518Rocket bodyInactive
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
- 27515
- COSPAR / international designator
- 2002-042A
- SatelliteIndex id
- sat_01M28X3JQMHB8T2M1HBKTP6K64
- Canonical slug
- users-sem-27515
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.