🛰️ SATELLITE · HISTORICAL RECORD
Tiros OT1
Historical recordTiros OT1 (NORAD 1430, COSPAR 1965-051A) is a historical US catalogue entry no longer tracked in the live catalogue, launched on 2 Jul 1965 on the Tiros OT1 mission. It was operated by ESSA as part of the TOS programme. The spacecraft was built by RCA on the Tiros I bus, with a mass of 127 kg. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.
1965
launched
61
years on orbit
127
kg mass
Lifecycle
Launched2 Jul 1965 · on the Tiros OT1 mission
Operational1 Jul 1967 · entered service
Specifications
NORAD ID1430
COSPAR1965-051A
TypeSatellite
OperatorESSA
Country / StateUS
ManufacturerRCA
BusTiros I
Mass127 kg
ProgrammeTOS
CategoryMET
OrbitLEO (LEO/S)
Altitude743 × 835 km
Inclination98.6°
Frequently asked questions
What happened to Tiros OT1?
Tiros OT1 is a historical catalogue entry from a 1965 launch. It is not currently tracked in the live catalogue — typically meaning it has decayed, been retired, or its tracking elements have lapsed.
Who operated and built Tiros OT1?
Tiros OT1 was operated by ESSA and built by RCA (US).
Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.