Formosat-1

Formosat-1
ROCSAT-1
福爾摩沙衛星一號
Mission type	Science
Operator	National Space Organization
COSPAR ID	1999-002A
SATCAT no.	25616
Website	Formosat-1
Mission duration	5.5 years
Spacecraft properties
BOL mass	401 kg
Start of mission
Launch date	Jan 27, 1999
Rocket	ATHENA-1/LMLV1
End of mission
Decay date	22 May 2023
Orbital parameters
Reference system	Geocentric
Inclination	35°
Period	96.7 mins

Formosat-1 (福爾摩沙衛星一號, formerly known as ROCSAT-1) was an Earth observation satellite operated by the National Space Program Office (NSPO, now the National Space Organization) of the Republic of China (Taiwan) to conduct observations of the ionosphere and oceans. The spacecraft and its instrumentation were developed jointly by NSPO and TRW using TRW's Lightsat bus, and was launched from Cape Canaveral Air Force Station, US, by Lockheed Martin on January 27, 1999.^[2] FormoSat-1 provided 5½ years of operational service. The spacecraft ended its mission on June 17, 2004 and was decommissioned on July 16, 2004.^[3]^[4]

Technical details

Spacecraft

Weight: 401 kg
Shape: Hexagonal
Dimensions
- Height: 2.1 m
- Diameter: 1.1 m
Solar arrays: Two, 1.16 x 2.46 m
Electrical power: 450 watts

Instrumentation

Experimental Communication Payload (ECP)
Ionosphere Plasma Electrodynamics Instrument (IPEI)
Ocean Color Imager (OCI)

Orbit

Altitude: 600 km
Type: Circular
Inclination: 35 degrees

References

^ "ROCSAT 1". N2YO.com. 22 May 2023. Retrieved 4 July 2023.
^ "FORMOSAT-1: Low-earth-orbit scientific experimental satellite". Taiwan National Space Organization. Retrieved November 24, 2022.
^ "FormoSat-1". eoPortal.org. Retrieved November 24, 2022.
^ Wu, L.; Chen, S.-S.; Yaung, J. Ju-Chen (November 26, 2004). "Space Program in Taiwan". Proceedings of ASC (Asian Space Conference), Chiang Mai, Thailand.

External links

ROCSAT-1 at GlobalSecurity

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[1] "ROCSAT 1". N2YO.com. 22 May 2023. Retrieved 4 July 2023.

[2] "FORMOSAT-1: Low-earth-orbit scientific experimental satellite". Taiwan National Space Organization. Retrieved November 24, 2022.

[3] "FormoSat-1". eoPortal.org. Retrieved November 24, 2022.

[4] Wu, L.; Chen, S.-S.; Yaung, J. Ju-Chen (November 26, 2004). "Space Program in Taiwan". Proceedings of ASC (Asian Space Conference), Chiang Mai, Thailand.

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v t e ← 1998 Orbital launches in 1999 2000 →
January	Mars Polar Lander ROCSAT-1
February	Stardust Globalstar 23, Globalstar 36, Globalstar 38, Globalstar 40 Telstar 6 JCSAT-6 Soyuz TM-29 ARGOS, Ørsted, SUNSAT Arabsat 3A, Skynet 4E Globus No.15
March	Wide Field Infrared Explorer Globalstar 23, Globalstar 37, Globalstar 41, Globalstar 46 AsiaSat 3S DemoSat
April	Progress M-41, Sputnik 99 INSAT-2E USA-142 Eutelsat W3 Globalstar 19, Globalstar 42, Globalstar 44, Globalstar 45 Landsat 7 UoSAT-12 Ikonos-1 ABRIXAS, Megsat-0 USA-143
May	Orion 3 Feng Yun 1C, Shijian 5 TERRIERS, MUBLCOM Nimiq 1 USA-144 Oceansat-1, Kitsat-3, DLR-Tubsat STS-96 (Starshine 1)
June	Globalstar 25, Globalstar 47, Globalstar 49, Globalstar 52 Iridium 14A, Iridium 21A Astra 1H QuikSCAT FUSE
July	Gran' No.45 Molniya 3-50 Globalstar 30, Globalstar 32, Globalstar 35, Globalstar 51 Progress M-42 Okean-O No.1 STS-93 (Chandra) Globalstar 26, Globalstar 28, Globalstar 43, Globalstar 48
August	Telkom 1, Globalstar 24, Globalstar 27, Globalstar 53, Globalstar 54 Kosmos 2365 Kosmos 2366
September	Koreasat 3 Yamal-101, Yamal-102 Foton 12 Globalstar 33, Globalstar 50, Globalstar 55, Globalstar 58 EchoStar V Ikonos 2 Telstar 7 LMI-1 Resurs F-1M
October	USA-145 DirecTV-1R CBERS-1, SACI-1 Globalstar 31, Globalstar 56, Globalstar 57, Globalstar 59 Orion 2 Ekspress A1
November	GE-4 MTSAT-1 Shenzhou 1 Globalstar 29, Globalstar 34, Globalstar 39, Globalstar 61 USA-146
December	Hélios 1B, Clémentine Orbcomm FM30, Orbcomm FM31, Orbcomm FM32, Orbcomm FM33, Orbcomm FM34, Orbcomm FM35, Orbcomm FM36 XMM-Newton † VLS-1 V02 (SACI-2) USA-147 Terra STS-103 Arirang-1, ACRIMSAT, Millennial Galaxy 11 Kosmos 2367 Kosmos 2368
Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).

v t e Formosat satellites
	Formosat-1 Formosat-2 Formosat-3 Formosat-5 Formosat-7
Future spacecraft in italics.