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Astro H

Also called Hitomi, NeXT (New X-ray Telescope)


Designation 41337 / 16012A
Launch date 17 Feb 2016
Country of origin Japan
Mission Scientific: X-ray astronomy
Perigee/Apogee 580 km (sun-synchronous)
Inclination 31°
Launch vehicle H2A #42

It is equipped with a Canadian laser measurement system, the Canadian ASTRO-H Metrology System (CAMS), provided by the Canadian Space Agency (CSA). Built by Neptec Design Group Ltd., CAMS is a precision optics technology that will calibrate measurements taken with the observatory's Hard X-ray Telescope.

Replaced by XRISM

End of life

Out of service 25 Mar 2016
Cause Satellite left proper pointing on 25 Mar 2016 at 19:10 UTC after invalid attitude data triggered onboard thrusters. Partial breakup occured around 01:40 UTC on 26 Mar as the spin went out of control. After that only a few seconds of beacon signals were received. At least 10 pieces of debris have been identified.

at ref="http://sat-index.co.uk/catsearch.php?catno=41337" target="satindex">sat-index articles

n2yo.com tracking

Technical data


Prime contractor  
Mass at launch 2700 kg
Dry mass  
Solar array  
DC power 3.5 kW
Design lifetime 3 years

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