HALCA
Japanese space radio telescope / From Wikipedia, the free encyclopedia
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For the Japanese singer, see Halca.
HALCA (Highly Advanced Laboratory for Communications and Astronomy), also known for its project name VSOP (VLBI Space Observatory Programme), the code name MUSES-B (for the second of the Mu Space Engineering Spacecraft series), or just Haruka (はるか)[2] was a Japanese 8 meter diameter radio telescope satellite which was used for Very Long Baseline Interferometry (VLBI). It was the first such space-borne dedicated VLBI mission.
Quick Facts Names, Mission type ...
Names | MUSES-B VSOP Haruka (はるか) |
---|---|
Mission type | Astronomy |
Operator | ISAS |
COSPAR ID | 1997-005A |
SATCAT no. | 24720 |
Website | HALCA Home |
Mission duration | 8 years, 9 months, 18 days |
Spacecraft properties | |
Manufacturer | NEC Toshiba Space Systems |
Launch mass | 830 kg (1,830 lb) |
Dimensions | 1.5 m × 1 m (4.9 ft × 3.3 ft) |
Start of mission | |
Launch date | 04:50, February 12, 1997 (UTC) (1997-02-12T04:50Z) |
Rocket | M-5-1 |
Launch site | Kagoshima M-V Pad |
End of mission | |
Disposal | Decommissioned |
Deactivated | November 30, 2005 (2005-11-30) |
Orbital parameters | |
Reference system | Geocentric |
Regime | Highly elliptical |
Semi-major axis | 17,259 km (10,724 mi) |
Eccentricity | 0.5999671 |
Perigee altitude | 533.5 km (331.5 mi) |
Apogee altitude | 21,244.1 km (13,200.5 mi) |
Inclination | 31.1880 degrees |
Period | 376.1 minutes |
RAAN | 127.6566 degrees |
Argument of perigee | 143.9533 degrees |
Mean anomaly | 358.3371 degrees |
Mean motion | 3.82867831 rev/day |
Epoch | 28 April 2016, 09:56:58 UTC[1] |
Revolution no. | 26766 |
Main telescope | |
Type | Mesh antenna |
Diameter | 8 m (26 ft) |
Wavelengths | 1.3, 6, 18 cm (radio) |
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