k e p l e r m i s s i o n . c o m

A first space mission to find Earth-size planets.

• Main page • Characteristics • Planet Detection • Illustrations •

Flight Segment Characteristics:


Photometer:
Primary mirror:
Detectors:
Photometer noise level:
Total noise, mv=12 solar-like star (1 'o ):
Data rate:
Mechanisms:
Mass:
Power:
0.95-m aperture
1.4 m dia., 85% lightweighted
42 CCDs –2200 x 1024 pixels
10ppm
20ppm
3.6 (5.4) Gbits/day in yrs 2-4 (yr 1)
Focus, HGA, ejected cover
903 kg (includes resv) plus 34% margin
613 W (includes resv) plus 32% margin



Mission Characteristics:

Launch vehicle:
Orbit:
Pointing:
Search:
Mission lifetime:
Telemetry:
D2925-10L (Delta II)
Earth-trailing heliocentric
Continuously stare at one star field
100,000 dwarf stars for transits of terrestrial or larger planets
4 years of flight
Ka-and X-band, DSN

Data & information origin: nasa.gov


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