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Chalet
American military signals intelligence satellite. Geosynchronous orbit signals intelligence satellite series that replaced Canyon. Also called Program 366 and Vortex. ELINT satellite built by E-Systems for NRO, USA. Launched 1978 - 1989.
AKA: Program 366;Vortex. Status: Operational 1978. First Launch: 1978-06-10. Last Launch: 1989-05-10. Number: 6 . Gross mass: 932 kg (2,054 lb).
More at: Chalet.
Family:
Geosynchronous orbit,
SIGINT.
Country:
USA.
Launch Vehicles:
Titan,
Titan IIIC,
Titan 34D,
Titan 34D/Transtage.
Launch Sites:
Cape Canaveral,
Cape Canaveral LC40.
Agency:
USAF.
Bibliography:
2,
279,
6,
12176.
1978 June 10 - .
19:12 GMT - .
Launch Site:
Cape Canaveral.
Launch Complex:
Cape Canaveral LC40.
LV Family:
Titan.
Launch Vehicle:
Titan IIIC.
- Chalet 1 - .
Payload: Chalet 1 (Vortex 1) / OPS 9454. Mass: 820 kg (1,800 lb). Nation: USA.
Agency: NRO,
USAF.
Class: Surveillance.
Type: SIGINT. Spacecraft: Chalet.
USAF Sat Cat: 10941 . COSPAR: 1978-058A. Apogee: 42,039 km (26,121 mi). Perigee: 29,929 km (18,596 mi). Inclination: 12.00 deg. Period: 1,446.30 min. First launch of the heavier, mored advanced CHALET ELINT satellites. (the project was renamed VORTEX when the code name CHALET appeared in the New York Times)..
1979 October 1 - .
11:22 GMT - .
Launch Site:
Cape Canaveral.
Launch Complex:
Cape Canaveral LC40.
LV Family:
Titan.
Launch Vehicle:
Titan IIIC.
- Chalet 2 - .
Payload: Chalet 2 (Vortex 2) / OPS 1948. Mass: 820 kg (1,800 lb). Nation: USA.
Agency: NRO,
USAF.
Class: Surveillance.
Type: SIGINT. Spacecraft: Chalet.
USAF Sat Cat: 11558 . COSPAR: 1979-086A. Apogee: 41,497 km (25,784 mi). Perigee: 30,443 km (18,916 mi). Inclination: 7.50 deg. Period: 1,445.50 min. Chalet ELINT satellite..
1981 October 31 - .
09:22 GMT - .
Launch Site:
Cape Canaveral.
Launch Complex:
Cape Canaveral LC40.
LV Family:
Titan.
Launch Vehicle:
Titan IIIC.
- Chalet 3 - .
Payload: Chalet 3 (Vortex 3) / OPS 4029. Mass: 820 kg (1,800 lb). Nation: USA.
Agency: NRO,
USAF.
Class: Surveillance.
Type: SIGINT. Spacecraft: Chalet.
USAF Sat Cat: 12930 . COSPAR: 1981-107A. Apogee: 382 km (237 mi). Perigee: 134 km (83 mi). Inclination: 29.30 deg. Period: 90.40 min. Chalet ELINT satellite..
1984 January 31 - .
03:08 GMT - .
Launch Site:
Cape Canaveral.
Launch Complex:
Cape Canaveral LC40.
LV Family:
Titan.
Launch Vehicle:
Titan 34D/Transtage.
- Chalet 4 - .
Payload: OPS 0441. Mass: 1,043 kg (2,299 lb). Nation: USA.
Agency: NRO,
USAF.
Class: Surveillance.
Type: SIGINT. Spacecraft: Chalet.
USAF Sat Cat: 14675 . COSPAR: 1984-009A. Apogee: 1,023 km (635 mi). Perigee: 146 km (90 mi). Inclination: 29.40 deg. Period: 96.40 min. Chalet ELINT satellite..
1988 September 2 - .
12:05 GMT - .
Launch Site:
Cape Canaveral.
Launch Complex:
Cape Canaveral LC40.
LV Family:
Titan.
Launch Vehicle:
Titan 34D/Transtage.
FAILURE: Broken Transtage pressurization feed lines prevented the geosynchronous orbit apogee burn from taking place..
Failed Stage: U.
- USA 31 - .
Payload: Chalet 5. Mass: 1,045 kg (2,303 lb). Nation: USA.
Agency: NRO,
USAF.
Class: Surveillance.
Type: SIGINT. Spacecraft: Chalet.
USAF Sat Cat: 19458 . COSPAR: 1988-077A. Apogee: 14,103 km (8,763 mi). Perigee: 151 km (93 mi). Inclination: 29.30 deg. Period: 99.80 min. Chalet ELINT satellite; upper stage failure left in lower than planned orbit..
1989 May 10 - .
19:47 GMT - .
Launch Site:
Cape Canaveral.
Launch Complex:
Cape Canaveral LC40.
LV Family:
Titan.
Launch Vehicle:
Titan 34D/Transtage.
- USA 37 - .
Payload: Chalet 6. Mass: 1,045 kg (2,303 lb). Nation: USA.
Agency: NRO,
USAF.
Class: Surveillance.
Type: SIGINT. Spacecraft: Chalet.
USAF Sat Cat: 19976 . COSPAR: 1989-035A. Apogee: 40,073 km (24,900 mi). Perigee: 455 km (282 mi). Inclination: 27.50 deg. Period: 720.00 min. Chalet ELINT satellite..
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