ALOS-2
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| Names | Daichi-2 |
|---|---|
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| Mission type | Remote sensing |
| Operator | JAXA |
| COSPAR ID | 2014-029A |
| SATCAT no. | 39766 |
| Website | www |
| Mission duration | Template:Time interval (elapsed) |
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| Spacecraft properties | |
| Spacecraft type | Advanced Land Observing Satellite |
| Bus | ALOS |
| Launch mass | Template:Cvt |
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| Start of mission | |
| Launch date | 24 May 2014, 03:05:14 UTC[1] |
| Rocket | H-IIA 202 |
| Launch site | Tanegashima, Yoshinobu 1 |
| Contractor | Mitsubishi Heavy Industries |
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| Orbital parameters | |
| Reference system | Geocentric orbit[2] |
| Regime | Sun-synchronous orbit |
| Perigee altitude | Template:Cvt |
| Apogee altitude | Template:Cvt |
| Inclination | 97.92° |
| Period | 97.33 minutes |
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Advanced Land Observing Satellite-2 (ALOS-2), also called Daichi-2, is a 2,120 kg (4,670 lb) Japanese satellite launched in 2014. Although the predecessor ALOS satellite had featured 2 optical cameras in addition to L-band (1.2 GHz/25 cm) radar, ALOS-2 had optical cameras removed to simplify construction and reduce costs. The PALSAR-2 radar is a significant upgrade of the PALSAR radar, allowing higher-resolution (1 x 3 m per pixel) spotlight modes in addition to the 10 m resolution survey mode inherited from the ALOS spacecraft. Also, the SPAISE2 automatic ship identification system and the Compact Infra Red Camera (CIRC) will provide supplementary data about sea-going ships and provide early warnings of missile launches.[3]
Launch
ALOS-2 was launched from Tanegashima, Japan, on 24 May 2014 by a H-IIA rocket.[4]
Mission
The satellite contains a 1.2 GHz synthetic-aperture radar (SAR) sensor that is intended to be used for cartography, monitoring of naval traffic and disaster monitoring of Asia and the Pacific.[3] JAXA initially hoped to be able to launch the successor to ALOS during 2011, but these plans were delayed until 2014 because of budget restrictions.
See also
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- 2014 in spaceflight
- Advanced Land Observation Satellite (ALOS) – predecessor spacecraft
References
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- ^ Page Module:Citation/CS1/styles.css has no content.McDowell, Jonathan. "Launch Log". Jonathan's Space Report. Retrieved 16 November 2014.
- ^ Page Module:Citation/CS1/styles.css has no content."ALOS 2 Satellite details 2014-029A NORAD 39766". N2YO. 25 January 2015. Retrieved 25 January 2015.
- ^ a b Page Module:Citation/CS1/styles.css has no content."Satellite Missions Catalogue: ALOS-2 (Advanced Land Observing Satellite-2) / Daichi-2". eoPortal.org. 29 May 2012. Retrieved 11 December 2022.
- ^ "Japanese craft launched with night-vision mapping radar", Spaceflight Now, Retrieved on 31 May 2014
External links
- Official website
- ALOS-2 brochure
- Advanced Land Observing Satellite-2 "ALOS-2" (DAICHI-2) Gazing into Earth's Expression on YouTube by JAXA
- You can understand DAICHI-2 applications for disaster on YouTube by JAXA
- Eoportal ALOS-2 page
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