QZSS 1

Also called Michibiki 1

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General

Designation	37158 / 10045A
Launch date	11 Sep 2010
Country of origin	Japan
Mission	Navigation
Perigee/Apogee	32618/38950 km (Tundra orbit)
Inclination	41°
Period	1 day
Launch vehicle	H2A

Owned by Jaxa. Cost $869 million to build and launch. Went operational in Dec 2010.

First of 3 planned spacecraft GPS augmentation constellation. With the Tundra orbit, the satellites appear at high elevation angles during part of the day, convenient for high building environment.

In 2016, 3 new satellites are annouced for FY 2017 and 3 more in FY 2023.

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End of life

Out of service	Sep 2023?
Cause	moved out of prime orbit in Jul 2023

n2yo.com tracking

Technical data

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Specifications

Prime contractor	Melco
Platform
Mass at launch	4100 kg
Dry mass	1800 kg
Dimension	2.9 x 3.1 x 6.2 m (25.3 m deployed)
Solar array
Stabilization
DC power	BOL: 6.7 KW
Design lifetime	10 years

Has an L-band payload and a C-band payload for communications.

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