Daichi 1

 2006-002A

---

ALOS (Daichi, "Land"), the NASDA Advanced Land Observing Satellite (Riku iki kansoku gijutsu eisei) will carry out cartography and disaster monitoring. It will be launched by H-2A. 

Mass 4000 kg. Box + 1 solar array + SAR. 

Size is 6.2 x 3.5 x 4.0m with 22m solar array and 9x3m PALSAR antenna. Box + 2 panels. 28m span. Stage 2 is 20t full 3t dry 11m long 4.0m dia.

Has 2022 config (2 SRB-A and 2 SSB) with 5S fairing.

ALOS
Date	Time	Event	Orbit
2006 Jan 24	0133	Launch by H-2A 2022
		T+0:10 SSB on
		T+1:08 SSB out
		T+1:51 SRB-A out
		T+2:06 SRB-A sep, 64 km 1.6 km/s
		T+2:09 SSB sep 65 km
		T+4:23 PLF jettison 165 km 2.0 km/s
		T+6:39 St 1 MECO 315
		T+6:47 St 1 sep 327 km 3.5 km/s
		T+6:56 St 2 MES 336 km 3.5 km/s
	0148	T+15:40 SECO 697 km 7.5 km/s	x 98 deg
	0149	T+16:30 ALOS/St 2 sep	695 x 697 x 98.2
		St 2 depletion	548 x 699 x 98.2
2006 Jan 26	0123	PALSAR antenna deploy
2006 Aug 28	1618	H-II rocket small disintegration
2011 Apr 22		Power system failure
2011 May 12	0150	end of ops

Payload:

• PALSAR Phased Array L-band SAR, 1.27GHz, 10m res. Size 8.9 x 3.1m

• PRISM Panchromatic Remote Sensing Inst for Stereo Mapping. Optical, 2.5m res. 35 km swath. for digital terrain data.

• AVNIR-2 Advanced Vis/NIR Radiometer Type 2, for land and coastal zones, 10m res, 70 km swath, 4200-8900A.