Thor 3

 1998-035A

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Thor III is an HS376HP to be colocated at the Nordic Hot Bird position of 1W with other Thor satellites belonging to Telenor AS/Oslo. Launch was Jun 1998 by Delta 7925 with a 9.5 foot fairing. It will broadcast DTH to Nordic countries, and central and eastern Europe. The satellite has 1400W generated by GaAs solar cells. Hughes delivered the satellite on orbit to Telenor.

Launch mass was 1451 kg. Size is 2.16m dia, 3.32m high stowed, 7.76m high deployed. The mission used a 'Thor 2A DTO' boost trajectory, with three Delta stage 2 burns to a high perigee geostationary transfer orbit.

Thor 3
Date	Time	Event	Orbit
1998 Jun 10	0035:00	Launch by Delta 7925 (D258)	CC LC17A
	0036	T+1:06 SRM 1-6 sep
	0037	T+2:11 SRM 7-9 sep 52 km
	0039	T+4:23 MECO 113 km
	0039	T+4:36 Stage 2 burn 123 km
	0039	T+4:57 Fairing sep
	0044	T+9:57 SECO-1	87.81 157 x 174 x 29.21
	0057	T+22:12 Stage 2 burn
	0058	T+23:02 SECO-2	100.86 157 x 1440 x 28.17
	0144	T+1:09:30 Stage 2 burn
	0145	T+1:10:22 SECO-3	116.18 1365 x 1652 x 26.68
	0146	T+1:11:15 Stage 2 sep
	0146	T+1:11:52 Stage 3 burn
	0148	T+1:13:19 TECO	680.11 1426 x 37053 x 20.29
	0150	T+1:15:12 Stage 3 sep	680.05 1426 x 37049 x 20.29
	0221	Stage 2 depletion burn
	0224	SECO-4	111.28 891 x 1680 x 26.4
1998 Jun 10			683.65 1416 x 37241 x 19.2
1998 Jun 12	0440?	Star 30 burn
1998 Jun 15			1422.29 34863 x 36168 x 0.1 GEO 60.2W+3.4E
1998 Jun 20			1422.36 34869 x 36165 x 0.1 GEO 45.0W+3.4E
1998 Jul 8			1426.67 35413 x 35790 x 0.2 GEO 1.0W+2.4E
1998 Jul 17			1436.07 35753 x 35818 x 0.1 GEO 0.9W
1999 Mar 9			1436.07 35778 x 35793 x 0.0 GEO 0.9W
1999 Oct 14			1436.07 35780 x 35791 x 0.0 GEO 0.8W
2006 Aug 1			1436.07 35777 x 35794 x 0.0 GEO 0.9W
2010 Jun 7			1436.08 35776 x 35795 x 0.2 GEO 0.6W