In orbitPayload

IGS R-8

NORAD: 61439
COSPAR: 2024-176A

OrbitalWiki publishes live orbits for active satellites only. This object is in the full catalogue: who launched it, what it is and its last published orbit are below, but there are no current orbital elements for it here.

Is it working?

Sources agree

Source	What it says	Date
CelesTrak SATCAT	Operational	since at least 2026-11-05
GCAT (J. McDowell)	Believed still transmitting
GCAT (J. McDowell)	Believed still operating
GCAT (J. McDowell)	Last known active	2024-09-26

Each line is one source and what it says. Where they disagree, both are shown; OrbitalWiki does not pick a winner.

Spacecraft

Program: IGS-R-G3
Built by: Mitsubishi Electric Co.
Owner: Cabinet Satellite Intelligence Center
Platform (bus): IGS-R
Purpose: Radar imaging
Sector: Military or intelligence
Mass at launch: 1,500 kg(estimate, good to about 20%)
Dry mass: 1,000 kg(estimate, good to about 20%)
Length: 3 m
Diameter: 4 m
Span with arrays and booms: 16.5 m
Shape: Box + 2 Pan

From GCAT by Jonathan McDowell (CC BY 4.0), record S61439, checked 2026-11-05. About this source

Launch

Launch date: 2024-09-26
Rocket: H-IIA 202 1
Flight: IGS R-8
Mission name: IGS R-8
Launch site: TNSC, Y
Launched by: Mitsubishi Heavy Industries (Launch Services)
Rocket performance: Success
Launch designator: 2024-176

From the GCAT launch log, launch 2024-176, checked 2026-11-05. About this source

Catalogue record

Object type: Payload
Owner code: JPN
Launch date: 2024-09-26

From CelesTrak SATCAT, checked 2026-11-05. About this source

Where it came from

Parent object: H-2A R/B (NORAD 61440)
Catalogued pieces that came from it: 2

The object this one was attached to at launch, or broke off from, as GCAT records it.

Everything from this launch

Debris2 in total, 0 still in orbit
Payload1 in total, 1 still in orbit
Rocket body1 in total, 0 still in orbit