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SatelliteIndex

Debris object · NORAD 18409 · COSPAR 1987-012G

ASTRO-C DEB

DecayedDebrisLEODebris derived
  • Operator Japan
  • Constellation —
  • Country Japan

Altitude now

—

object decayed

Velocity

—

Inclination

31.07°

Period

90.4 min

90.4 min

Perigee

288km

Apogee

295km

orbit unavailableNo orbital element set on file — decayed 11 Feb 1989.· Metadata updated 9 h ago

Live position

Live position

Live position unavailable — this object re-entered the atmosphere on 11 Feb 1989 and is no longer tracked.

Mission

Mission & classification

Mission type derived
Debris
Object type
Debris
SATCAT ops status
Decayed [D]
Radar cross-section
0.1 m²

CelesTrak groups

Not listed in any CelesTrak group.

Aliases

  • ASTRO-C DEBCelestrak Satcat

Ownership

Operator & country

Operator
—
SATCAT owner code
JPN · Japan
Country
Japan JP

Launch

Launch

Launch page →
Launch date
05 Feb 1987
COSPAR launch id
1987-012
Launch site
Uchinoura Space Center

Objects from the same launch · 9

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
18409
COSPAR / international designator
1987-012G
SatelliteIndex id
sat_01M28X3JP1D693V3WCE2XM2GQX
Canonical slug
astro-c-deb-18409

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.