Tiros I prototype on display at the Smithsonian National Air and Space Museum.
|Mission type||Weather satellite|
|Launch mass||122.5 kilograms (270 lb)|
|Start of mission|
|Launch date||1 April 1960, 11:40:09UTC|
|Rocket||Thor DM-18 Able II|
|Launch site||Cape Canaveral LC-17A|
|End of mission|
|Last contact||15 June 1960|
|Semi-major axis||7,029.96 kilometres (4,368.21 mi)|
|Perigee||641 kilometres (398 mi)|
|Apogee||676 kilometres (420 mi)|
|Epoch||7 December 2013, 13:02:03 UTC|
TIROS I (or TIROS-1) was the first successful low-Earth orbital weather satellite, and the first of a series of Television Infrared Observation Satellites. It was launched by NASA and partners at 6:40 AM EST on April 1, 1960, from Cape Canaveral, Florida, in the United States.
- "TIROS". NASA Science. Retrieved 8 December 2013.
- "TIROS 1". National Space Science Data Center. Retrieved 8 December 2013.
- McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 8 December 2013.
- "TIROS 1 Satellite details 1960-002B NORAD 29". N2YO. 7 December 2013. Retrieved 8 December 2013.
- "U.S. Launches Camera Weather Satellite". The Fresno Bee (AP and UPI). April 1, 1960. pp. 1a, 4a.
- TIROS – NASA Science
- The Smithsonian National Air & Space Museum Exhibition List
- TIROS 1 & 2 Ground Control Canter at Camp Evans - preserved by InfoAge Scieence History Center
- Published story of how the first TIROS photo was flown by helicopter, then a jet from the Camp Evans Ground Control Center to NASA
- TIROS I is Launched - NOAASIS