Mission operators: NASA Mission operators: ESA Mission duration: 10 months Mission duration: 2.5 years Instruments: Mid-IR Instruments: Near-IR, Mid-IR Operating Temperature: 2 K Operating Temperature: 2K Mirror diameter: 0.7m Mirror diameter: 0.6m satellite mass: 800 kg Satellite mass: 2400kg Launch site: Vandenberg Airforce Base, California, Launch site: Korou, French Guiana USA Ariane 4 Launch vehicle: Launch vehicle: Delta rocket Orbit: High-Earth orbit (elliptical, ranging from 1000 Orbit: Low-Earth orbit (900km altitude) 70,000 km) – Approximate cost: £400 million Approximate cost: £300 million Akari Spitzer Space Telescope Launched: 2003 Launched: 2006 Mission operators: NASA Mission operators: JAXA (Japan) Mission duration: 5.5 years* Mission duration: 1.5 years Instruments: Near-IR, Mid-IR Instruments: Near-IR, Mid-IR, Far-IR Operating Temperature: 5 K Operating Temperature: 2 K Mirror diameter: 0.85m Mirror diameter: 0.7m Satellite mass: 860 kg Maximum resolution: 44 arcseconds at 140 microns Launch site: Cape Canaveral, Florida, USA Satellite mass: 950 kg Launch vehicle: II rocket Launch site: Uchinoura Space Center, Japan Orbit: Earth-trailing orbit Launch vehicle: M-V rocket Approximate cost: £800 million Low-Earth orbit (700 km altitude) Approximate cost: £200 million (exc. launch cost)
Mission operators: NASA Mission duration: 10 months Instruments: Mid-IR Operating Temperature: 2 K Mirror diameter: 0.7m satellite mass: 800 kg Launch site: Vandenberg Airforce Base, California, USA Launch vehicle: Delta rocket Orbit: Low-Earth orbit (900km altitude) Approximate cost: £400 million Mission operators: ESA Mission duration: 2.5 years Instruments: Near-IR, Mid-IR Operating Temperature: 2K Mirror diameter: 0.6m Satellite mass: 2400kg Launch site: Korou, French Guiana Launch vehicle: Ariane 4 Orbit: High-Earth orbit (elliptical, ranging from 1000 – 70,000 km) Approximate cost: £300 million Spitzer Space Telescope Akari Launched: 2003 Mission operators: NASA Mission duration: 5.5 years* Instruments: Near-IR, Mid-IR Operating Temperature: 5 K Mirror diameter: 0.85m Satellite mass: 860 kg Launch site: Cape Canaveral, Florida, USA Launch vehicle: II rocket Orbit: Earth-trailing orbit Approximate cost: £800 million Launched: 2006 Mission operators: JAXA (Japan) Mission duration: 1.5 years Instruments: Near-IR, Mid-IR, Far-IR Operating Temperature: 2 K Mirror diameter: 0.7m Maximum resolution: 44 arcseconds at 140 microns Satellite mass: 950 kg Launch site: Uchinoura Space Center, Japan Launch vehicle: M-V rocket Low-Earth orbit (700 km altitude) Approximate cost: £200 million (exc. launch cost)
SpaceTelescopeDesigner_StudentGuide_KS4.docx