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SatelliteIndex

Satellite · NORAD 12307 · COSPAR 1981-017A

HINOTORI (ASTRO-A)

DecayedPayloadLEOUnknown derived
  • Operator Japan
  • Constellation —
  • Country Japan

Altitude now

—

object decayed

Velocity

—

Inclination

31.32°

Period

87.5 min

87.5 min

Perigee

147km

Apogee

155km

orbit unavailableNo orbital element set on file — decayed 11 Jul 1991.· Metadata updated 8 h ago

Live position

Live position

Live position unavailable — this object re-entered the atmosphere on 11 Jul 1991 and is no longer tracked.

Mission

Mission & classification

Mission type derived
Unknown
Object type
Payload
SATCAT ops status
Decayed [D]
Radar cross-section
4.5 m²

CelesTrak groups

Not listed in any CelesTrak group.

Aliases

  • HINOTORI (ASTRO-A)Celestrak Satcat

Ownership

Operator & country

Operator
—
SATCAT owner code
JPN · Japan
Country
Japan JP

Launch

Launch

Launch page →
Launch date
21 Feb 1981
COSPAR launch id
1981-017
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

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
12307
COSPAR / international designator
1981-017A
SatelliteIndex id
sat_01M28X3JN02E0SDVFV2PJHB7R5
Canonical slug
hinotori-astro-a-12307

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.