ITOS (original) (raw)

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ITOS

Tiros-OTS
Credit: NASA

American earth weather satellite. ITOS was the follow-on to the TIROS series of polar-orbiting US weather satellites, and marked the beginning of the use of the NOAA designator. Meteorology satellite built by RCA Astro for NOAA, USA. Launched 1970 - 1971. Used TIROS-M Bus.

AKA: Improved TIROS Operational System. Status: Operational 1970. First Launch: 1970-01-23. Last Launch: 1976-07-29. Number: 8 . Gross mass: 330 kg (720 lb). Height: 1.22 m (4.00 ft). Span: 4.30 m (14.10 ft).

The program was initially managed by the ESSA (Environmental Science Services Administration). NOAA later became the managing organization. The spacecraft was 3-axis stabilized. Two deployed solar panels recharged NiCd batteries. The payloads included the AVCS (Advanced Vidicon Camera System). APT (Automatic Picture Transmission system), FPR (Flat Plate Radiometer), SPM (Solar Proton Monitor), VTPR (Vertical Temperature Profile Radiometer), and VHRR (Very High Resolution Radiometer). ITOS-1, ITOS-A, and ITOS-B carried AVCS, APT, FPR, SPM. ITOS-D, ITOS-E, ITOS-F, ITOS-G, and ITOS-H carried FPR, SPM, VTPR, VHRR.

More at: ITOS.

Subtopics

Family: Earth, Earth weathersat, Sun synchronous orbit. Country: USA. Spacecraft: TIROS. Launch Vehicles: Thor, Delta, Thor Delta N, Thor Delta N6, Delta 0300, Delta 2310, Delta 0100, Delta 2000. Launch Sites: Vandenberg, Vandenberg SLC2E, Vandenberg SLC2W. Agency: NASA, ESSA, NOAA, RCA. Bibliography: 126, 2, 6, 6605, 12697, 12698.

Photo Gallery

	NOAA 1 / ITOS ACredit: Manufacturer Image

	NOAA 2Credit: Manufacturer Image

1970 January 23 - . 11:31 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Thor Delta N6.

ITOS 1 - . Payload: Tiros M. Mass: 309 kg (681 lb). Nation: USA. Agency: NOAA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: ITOS. USAF Sat Cat: 4320 . COSPAR: 1970-008A. Apogee: 1,479 km (919 mi). Perigee: 1,434 km (891 mi). Inclination: 101.80 deg. Period: 115.00 min.
NASA successfully launched the Improved Tiros Operational Satellite (ITOS I) (TIROS-M) from Vandenberg AFB aboard a two-stage, Long Tank Thrust Augmented Thor/Delta (SLV-2K), Thorad/Delta, using six solid-propellaiit, strap-on Thiokol TX 354-5 Castor II motors. This was the first use of the "Super Six" Thor/Delta (DSV-3N-6) booster vehicle that employed the six Castor II motors, three of which ignited 30 seconds after lift-off. Generating nearly 600,000 pounds of thrust, the new launch vehicle could orbit a spacecraft weighing more than twice as much as the previous Tiros Operational Satellites. Improved TIROS Operational Satellite. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

1970 December 11 - . 11:35 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Thor Delta N6.

NOAA 1 - . Payload: ITOS A. Mass: 306 kg (674 lb). Nation: USA. Agency: NOAA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: ITOS. USAF Sat Cat: 4793 . COSPAR: 1970-106A. Apogee: 1,473 km (915 mi). Perigee: 1,423 km (884 mi). Inclination: 101.70 deg. Period: 114.80 min. Built for NASA; operated by NOAA. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

1971 October 21 - . 11:32 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2E. LV Family: Thor. Launch Vehicle: Thor Delta N6. FAILURE: Failure.. Failed Stage: U.

ITOS B - . Payload: ITOS B. Mass: 308 kg (679 lb). Nation: USA. Agency: NASA Greenbelt. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: ITOS. Decay Date: 1972-07-21 . USAF Sat Cat: 5565 . COSPAR: 1971-091A. Apogee: 1,483 km (921 mi). Perigee: 293 km (182 mi). Inclination: 102.50 deg. Period: 102.70 min. Unusable orbit..

1972 October 15 - . 17:19 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 0300.

NOAA 2 - . Payload: ITOS D. Mass: 344 kg (758 lb). Nation: USA. Agency: NOAA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: ITOS. USAF Sat Cat: 6235 . COSPAR: 1972-082A. Apogee: 1,455 km (904 mi). Perigee: 1,449 km (900 mi). Inclination: 101.80 deg. Period: 114.90 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

1973 July 16 - . 17:10 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 0300. FAILURE: Second stage failure.. Failed Stage: U.

ITOS E - . Payload: ITOS E. Mass: 345 kg (760 lb). Nation: USA. Agency: NASA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: ITOS. Decay Date: 1973-07-16 . Improved TIROS Operational System..

1973 November 6 - . 17:02 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 0300.

NOAA 3 - . Payload: ITOS F. Mass: 345 kg (760 lb). Nation: USA. Agency: NOAA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: ITOS. USAF Sat Cat: 6920 . COSPAR: 1973-086A. Apogee: 1,510 km (930 mi). Perigee: 1,501 km (932 mi). Inclination: 102.10 deg. Period: 116.10 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

1974 November 15 - . 17:11 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 2310.

NOAA 4 - . Payload: ITOS G. Mass: 340 kg (740 lb). Nation: USA. Agency: NOAA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: ITOS. USAF Sat Cat: 7529 . COSPAR: 1974-089A. Apogee: 1,459 km (906 mi). Perigee: 1,445 km (897 mi). Inclination: 101.80 deg. Period: 114.90 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

1976 July 29 - . 17:07 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 2310.

NOAA 5 - . Payload: ITOS H. Mass: 340 kg (740 lb). Nation: USA. Agency: NOAA. Program: Tiros. Class: Earth. Type: Weather satellite. Spacecraft: ITOS. USAF Sat Cat: 9057 . COSPAR: 1976-077A. Apogee: 1,523 km (946 mi). Perigee: 1,507 km (936 mi). Inclination: 102.30 deg. Period: 116.30 min. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C)..

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