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SatelliteIndex

Rocket body · NORAD 42739 · COSPAR 2017-028B

H-2A R/B

InactiveRocket bodyOTHERRocket body derived
  • Operator Japan
  • Constellation —
  • Country Japan

Altitude now

—

no element set

Velocity

—

Inclination

31.32°

Period

9.9 h

593.5 min

Perigee

258km

Apogee

33,773km

orbit unavailableNo orbital element set on file.· Metadata updated 9 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
Rocket body
Object type
Rocket body
Radar cross-section
—

CelesTrak groups

Not listed in any CelesTrak group.

Aliases

  • H-2A R/BCelestrak Satcat

Ownership

Operator & country

Operator
—
SATCAT owner code
JPN · Japan
Country
Japan JP

Launch

Launch

Launch page →
Launch date
01 Jun 2017
COSPAR launch id
2017-028
Launch site
Tanegashima Space Center

Objects from the same launch · 1

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
42739
COSPAR / international designator
2017-028B
SatelliteIndex id
sat_01M28X3JTYYCTRKZHTWC1VGP4M
Canonical slug
h-2a-r-b-42739

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