Himawari 4

 1989-070A

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GMS 4 (Himawari 4) was launched by H-I from Tanageshima. Mass was 325 kg BOL after adapter separation. 3.4 high, 2.2 dia. Launch mass around 725 kg, AKM propellant 338 kg and hydrazine capacity 41 kg.

Stage 2 was intended to be marginally suborbital with an expected splash down at 1S 143W. GMS 4 was lighter than other H-I payloads and the launch vehicle had only 6 strapon boosters instead of the usual 9.

Himawari 4
Date	Time	Event	Orbit
1989 Sep 5	1911:00	Launch by H-I	TNSC
	1912	Strapons sep (T+1:25)
		T+4:27 MECO
		T+4:33 VECO
	1915	Stage 1 sep (T+4:38)
		T+4:40 SES-2
		T+5:36 Fairing sep
	1921	Stage 2 MECO 394 km (T+10:45)	-1630? x 550? x 30.7 ?
			-2290? x 660? x 30.7?
	1928	Apogee
	1937	T+26:37 Spinup
	1937	T+26:42 St 2 sep
	1938	Stage 3 burn 62s (T+27:05) 354 km
	1939	TECO T+28:07
	1940	Stage 3 sep T+29:13
	1940	T+29:09 Stage 3 tumble
	1942	Stage 2 reentry
1989 Sep 5			671.80 215 x 37846 x 28.6
1989 Sep 6	0130?	Apo 1
	0800?	Peri 1
1989 Sep 6	1220:10	Apo 2, T+17:09 Star 27 AKM fired
	1235?	AKM ejected
1989 Sep 8			1456.12 35258 x 37096 x 1.7 GEO 137.2E+4.9W
1989 Sep 19			1422.55 35256 x 35785 x 1.2
1989 Sep 22	0256	mv in
1989 Sep 22			1436.16 35719 x 35855 x 1.7 GEO 159.7E
1989 Nov 9			1436.10 35722 x 35851 x 1.5 GEO 159.6E
1989 Nov 15		mv out
1989 Dec 4		Begin data
1989 Dec 17		mv in
1989 Dec 27			1436.03 35779 x 35791 x 1.4 GEO 139.9E
1990 Jan 20			1436.15 35783 x 35791 x 1.4 GEO 139.9E
1991 Jun 30			1436.03 35782 x 35788 x 0.4 GEO 140.1E
1993 Oct 6			1436.19 35785 x 35790 x 0.0 GEO 140.1E
1995 Jun 9			1436.16 35783 x 35792 x 1.0 GEO 139.7E
1995 Jun 13		mv out
1995 Aug 7		mv in	1436.12 35781 x 35792 x 1.2 GEO 120.0E
1995 Oct 28			1436.06 35779 x 35792 x 1.3 GEO 120.4E
1997 Aug 3			1436.10 35781 x 35791 x 2.6 GEO 120.2E
1999 Jun 10			1436.00 35779 x 35789 x 3.9 GEO 120.0E