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 Artist's impression of SAC-D | |||||||||||||||||||||
| Mission type | Technology demonstration Earth observation | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Operator | CONAE | ||||||||||||||||||||
| COSPAR ID | 2011-024A | ||||||||||||||||||||
| SATCAT no. | 37673 | ||||||||||||||||||||
| Website | conae.gov.ar | ||||||||||||||||||||
| Mission duration | Planned: 5 years Final: 3 years, 11 months, 28 days | ||||||||||||||||||||
| Spacecraft properties | |||||||||||||||||||||
| Bus | Small Satellite Standard Platform[1] | ||||||||||||||||||||
| Manufacturer | INVAP[2] | ||||||||||||||||||||
| Launch mass | 1,350 kg (2,977 lb)[2] | ||||||||||||||||||||
| Dimensions | 2.7 × 5.0 m (8.9 × 16.4 ft)[2] | ||||||||||||||||||||
| Power | 1,362 watts[2] | ||||||||||||||||||||
| Start of mission | |||||||||||||||||||||
| Launch date | 10 June 2011, 14:20:13 UTC[3] | ||||||||||||||||||||
| Rocket | Delta II 7320-10C | ||||||||||||||||||||
| Launch site | Vandenberg SLC-2W | ||||||||||||||||||||
| Contractor | United Launch Alliance | ||||||||||||||||||||
| End of mission | |||||||||||||||||||||
| Disposal | Spacecraft failure | ||||||||||||||||||||
| Last contact | 8 June 2015 | ||||||||||||||||||||
| Orbital parameters | |||||||||||||||||||||
| Reference system | Geocentric | ||||||||||||||||||||
| Regime | Low Earth | ||||||||||||||||||||
| Semi-major axis | 7,031.6 km (4,369.2 mi) | ||||||||||||||||||||
| Eccentricity | 0.000181 | ||||||||||||||||||||
| Perigee altitude | 652.2 km (405.3 mi) | ||||||||||||||||||||
| Apogee altitude | 654.7 km (406.8 mi) | ||||||||||||||||||||
| Inclination | 98.0 degrees | ||||||||||||||||||||
| Period | 97.8 minutes | ||||||||||||||||||||
| Epoch | 17 December 2015, 15:47:23 UTC[4] | ||||||||||||||||||||
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SAC-D (Spanish: Satélite de Aplicaciones Científicas-D, meaning Satellite for Scientific Applications-D), also known as Aquarius after its primary instrument, is an Argentine Earth science satellite built by INVAP and operated by CONAE.[1] SAC-D was launched from Vandenberg Air Force Base on 10 June 2011, with a planned mission life of five years.[1] Due to a power system failure, the mission was ended on 8 June 2015.[5]
- ^ a b c "SAC-D (Satélite de Aplicaciones Científicas-D)/Aquarius Mission". eoPortal. European Space Agency. Retrieved 18 December 2015.
- ^ a b c d "Press Kit: Aquarius/SAC-D Launch" (PDF). NASA. June 2011. Retrieved 18 December 2015.
- ^ Graham, William (10 June 2011). "ULA Delta II launches with the SAC-D spacecraft". NASA Spaceflight. Retrieved 18 December 2015.
- ^ "Aquarius - Orbit". Heavens Above. 17 December 2015. Retrieved 18 December 2015.
- ^ Clark, Stephen (17 June 2015). "International ocean research observatory fails in orbit". Spaceflight Now. Retrieved 18 June 2015.