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Gorizont 1 - 33 (11F662) / Tongastar 1 / Rimsat 1, 2 / PASI 1 / AsiaSat G / LMI-AP 1, 2

Gorizont

The geostationary Gorizont satellites are part of the Russian YeSSS Unified Satellite Communication System. These satellites provided civilian and military telephone, telegraph, and facsimile communications services, in addition to relaying TV and radio broadcasts. Gorizont also supported maritime and international communications from 1988 as an element of the Okean system operating at 1.5 to 1.6 GHz. The Gorizont system occupies 10 position on the geostationary orbit.

The KAUR-3 spacecraft bus was 3-axis stabilized using liquid propellant micro-engines to within 0.25 degrees of the earth's centre. The single-unit body was equipped with solar panels, and active liquid-gas phase-change thermoregulation system, and a corrective engine unit for making orbital maneuvers. 25 square meters of solar panels provided 1280 W of power. Gorizont was equipped with 6 C-band transponders and 1 Ku-band transponder.

Three Gorizonts were deployed to an orbital location owned by Tonga and were operated for the US company Rimsat (Gorizont 17 as Tongastar 1, and Gorizont 29 and 30 as Rimsat 1 and 2). Later the two Rimsats were transferred to PASI and AsiaSat (one each) and finally both to LMI.

Nation: USSR / Russia
Type / Application: Communication
Operator: RSCC (Kosmicheskiya Svyaz)
Contractors: NPO Prikladnoi Mekhaniki (NPO PM)
Equipment: 6 C-band transponders, 1 Ku-band transponder
Configuration: KAUR-3
Propulsion:
Power: 2 deployable solar arrays, batteries
Lifetime: 3 years
Mass: 2300 kg ±25 kg
Orbit: GEO
Satellite COSPAR Date LS Launch Vehicle Remarks
Gorizont 1 (Gorizont 11L) 1978-118A 19.12.1978 Ba LC-200/40 P Proton-K Blok-DM
Gorizont 2 (Gorizont 12L) 1979-062A 05.07.1979 Ba LC-200/40 Proton-K Blok-DM
Gorizont 3 (Gorizont 13L) 1979-105A 28.12.1979 Ba LC-200/40 Proton-K Blok-DM
Gorizont 4 (Gorizont 15L) 1980-049A 14.06.1980 Ba LC-200/39 Proton-K Blok-DM
Gorizont 5 (Gorizont 14L) 1982-020A 15.03.1982 Ba LC-200/39 Proton-K Blok-DM
Gorizont 6 (Gorizont 16L) 1982-103A 20.10.1982 Ba LC-200/40 Proton-K Blok-DM
Gorizont 7 (Gorizont 17L) 1983-066A 30.06.1983 Ba LC-200/39 Proton-K Blok-DM
Gorizont 8 (Gorizont 18L) 1983-118A 30.11.1983 Ba LC-200/39 Proton-K Blok-DM
Gorizont 9 (Gorizont 19L) 1984-041A 22.04.1984 Ba LC-200/39 Proton-K Blok-DM
Gorizont 10 (Gorizont 20L) 1984-078A 01.08.1984 Ba LC-200/40 Proton-K Blok-DM
Gorizont 11 (Gorizont 21L) 1985-007A 18.01.1985 Ba LC-200/39 Proton-K Blok-DM
Gorizont 12 (Gorizont 24L) 1986-044A 10.06.1986 Ba LC-200/40 Proton-K Blok-DM
Gorizont 13 (Gorizont 22L) 1986-090A 18.11.1986 Ba LC-200/39 Proton-K Blok-DM
Gorizont 14 (Gorizont 23L) 1987-040A 11.05.1987 Ba LC-200/39 Proton-K Blok-DM
Gorizont (15) (Gorizont 25L) 1988-F01 18.01.1988 Ba LC-200/40 F Proton-K Blok-DM-2
Gorizont 15 (Gorizont 26L) 1988-028A 31.03.1988 Ba LC-200/40 Proton-K Blok-DM
Gorizont 16 (Gorizont 28L) 1988-071A 18.08.1988 Ba LC-200/40 Proton-K Blok-DM-2
Gorizont 17 (Gorizont 29L) → Tongastar 1 1989-004A 26.01.1989 Ba LC-200/40 Proton-K Blok-DM-2
Gorizont 18 (Gorizont 27L) 1989-052A 05.07.1989 Ba LC-200/40 Proton-K Blok-DM-2
Gorizont 19 (Gorizont 31L) 1989-081A 28.09.1989 Ba LC-200/40 Proton-K Blok-DM-2
Gorizont 20 (Gorizont 30L) 1990-054A 20.06.1990 Ba LC-200/40 Proton-K Blok-DM
Gorizont 21 (Gorizont 32L) 1990-094A 03.11.1990 Ba LC-81/23 Proton-K Blok-DM-2
Gorizont 22 (Gorizont 33L) 1990-102A 23.11.1990 Ba LC-200/39 Proton-K Blok-DM-2
Gorizont 23 (Gorizont 34L) 1991-046A 01.07.1991 Ba LC-200/39 Proton-K Blok-DM-2
Gorizont 24 (Gorizont 35L) 1991-074A 23.10.1991 Ba LC-200/39 Proton-K Blok-DM-2
Gorizont 25 (Gorizont 36L) 1992-017A 02.04.1992 Ba LC-81/23 Proton-K Blok-DM-2
Gorizont 26 (Gorizont 37L) 1992-043A 14.07.1992 Ba LC-81/23 Proton-K Blok-DM-2
Gorizont 27 (Gorizont 38L) 1992-082A 27.11.1992 Ba LC-81/23 Proton-K Blok-DM-2
Gorizont (28) (Gorizont 39L) 1993-F01 27.05.1993 Ba LC-81/23 F Proton-K Blok-DM-2
Gorizont 28 (Gorizont 40L) 1993-069A 28.10.1993 Ba LC-81/23 Proton-K Blok-DM-2
Gorizont 29 (Gorizont 41L) → Rimsat 1 → PASI 1 → LMI-AP 1 1993-072A 18.11.1993 Ba LC-81/23 Proton-K Blok-DM-2
Gorizont 30 (Gorizont 42L) → Rimsat 2 → AsiaSat G → LMI-AP 2 1994-030A 20.05.1994 Ba LC-81/23 Proton-K Blok-DM-2
Gorizont 31 (Gorizont 43L) 1996-005A 25.01.1996 Ba LC-200/39 Proton-K Blok-DM-2
Gorizont 32 (Gorizont 44L) 1996-034A 25.05.1996 Ba LC-200/39 Proton-K Blok-DM-2
Gorizont 33 (Gorizont 45L) 2000-029A 06.06.2000 Ba LC-81/24 Proton-K Briz-M
Further AsiaSat missions:
Further LMI / ABS missions:

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