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Temisat [Kayser Threde]

With Temisat (Telespazio Micro Satellite) Telespazio aimed to develop a two satellite microsatellite system for commercial VHF/UHF remote data collection.

The satellite is cubic shaped by 350 × 350 × 350 mm and weighs 42 kg. It generates 65 W maximum power, and is spin stabilized employing two magnetic coils. The integration, tests and launch support was by Kayser-Threde GmbH, Munich Germany. It offers data collection and distribution for autonomous networks and environmental monitoring, and carries relaying instruments to uplink and downlink weather data from the Mediterranean and adjacent areas obtained by about 50 ground stations. It carried a Store and Forward transponder with 2 × 8.5MByte capacity.

Temisat 1 was launched on the 30th of August 1993 on a Tsiklon-3 launcher from Plesezk, into a 950 km 82.5 inclined orbit. The Italian micro-satellite, was released from Meteor-2 21 at 16:22 UT into a 980 km × 945 km, 82.5 orbit. It was procured by Telespazio SpA Rome Italy.

TEMISAT 1 was expected to operate 3-5 years but failed in the Fall of 1994.

Plans called for launch of a second satellite in mid 1995, but was never launched. This satellite was tranferred to the Technical University of Delft as Delfi 0 for educational purposes.

Nation: Italy
Type / Application: Environmental data collection and relay
Operator: Telespazio SpA
Contractors: Kayser-Threde GmbH
Configuration: Blackbird-350
Propulsion: None
Power: Solar cells, batteries
Lifetime: 5 years (planned); 1 year (achieved)
Mass: 42 kg
Orbit: 980 km × 945 km, 82.5
Satellite COSPAR Date LS Launch Vehicle Remarks
Temisat 1 1993-055B 31.08.1993 Pl LC-32/1 Tsiklon-3 with Meteor-2 21
Temisat 2 → Delfi 0 - not launched with ?


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