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SatelliteIndex

Satellite · NORAD 20217 · COSPAR 1989-070A

HIMAWARI-4 (GMS-4)

UnknownPayloadGEOWeather derived

Altitude now

—

no element set

Velocity

—

Inclination

14.75°

Period

1.0 d

1,478.3 min

Perigee

36,414km

Apogee

36,802km

orbit unavailableNo orbital element set on file.· Metadata updated 10 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
Weather
Object type
Payload
SATCAT ops status
Non-operational [-]
Radar cross-section
12.6 m²
Constellation membership derived
Himawari via name_pattern

CelesTrak groups

Not listed in any CelesTrak group.

Aliases

  • HIMAWARI-4 (GMS-4)Celestrak Satcat

Ownership

Operator & country

Operator
JAXA
SATCAT owner code
JPN · Japan
Country
Japan JP

Launch

Launch

Launch page →
Launch date
05 Sept 1989
COSPAR launch id
1989-070
Launch site
Tanegashima 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
20217
COSPAR / international designator
1989-070A
SatelliteIndex id
sat_01M28X3JPBA5N96S0S9XAV7HFP
Canonical slug
himawari-4-gms-4-20217

Orbit class, mission type and constellation membership are derived by SatelliteIndex (Weather) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.