Kepler space telescope

(Reguidit frae Kepler (spacecraft))

Kepler space telescope is a reteert space telescope launched bi NASA tae diskiver Yird-size planets orbitin ither starns.[5][6]

Kepler
Kepler in orbit
Airtist's impression o the Kepler telescope
Mission teepSpace telescope
OperatorNASA / LASP
COSPAR ID2009-011A
SATCAT no.34380
Wabsteixkepler.nasa.gov
Mission durationPlanned: 3.5 years
Feenal: 9 years, 7 months, 23 days
Spacecraft properties
ManufacturerBall Aerospace & Technologies
Launch mass1,052.4 kg (2,320 lb)[1]
Dry mass1,040.7 kg (2,294 lb)[1]
Peylaid mass478 kg (1,054 lb)[1]
Dimensions4.7 m × 2.7 m (15.4 ft × 8.9 ft)[1]
Pouer1100 watts[1]
Stairt o mission
Launch dateMarch 7, 2009, 03:49:57 (2009-03-07UTC03:49:57) UTC[2]
RocketDelta II (7925-10L)
Launch steidCape Canaveral SLC-17B
ContractorUnited Launch Alliance
Entered service12 Mey 2009, 09:01 UTC
End of mission
DeactivatitNovember 15, 2018 (2018-11-15)
Orbital parameters
Reference seestemHeliocentric
RegimeYird-trailin
Semi-major axis1.0133 AU
Eccentricity0.036116
Perihelion0.97671 AU
Aphelion1.0499 AU
Inclination0.44747 degrees
Period372.57 days
Argiement o perihelion294.04 degrees
Mean anomaly311.67 degrees
Mean motion0.96626 deg/day
Epoch1 Januar 2018 (J2000: 2458119.5)[3]
Main telescope
TeepSchmidt
Diameter0.95 m (3.1 ft)
Collectin aurie0.708 m2 (7.62 sq ft)[upper-alpha 1]
Wavelenths430–890 nm[3]
Transponders
BaundweenthX baund up: 7.8 bit/s – 2 bit/s[3]
X baund doun: 10 bit/s – 16 kbit/s[3]
Ka baund doun: Up to 4.3 Mbit/s[3]
Kepler Logo.png
← Dawn
GRAIL →
 

NotesEedit

  1. Apertur o 0.95 m yields a licht-gaitherin auriea o Pi×(0.95/2)2 = 0.708 m2; the 42 CCDs ilk sized 0.050 m × 0.025m yields a tot sensor aurie o 0.0525 m2:[4]

ReferencesEedit

  1. 1.0 1.1 1.2 1.3 1.4 "Kepler: NASA's First Mission Capable of Finding Earth-Size Planets" (PDF). NASA. February 2009. Retrieved March 13, 2015.
  2. "KASC Scientific Webpage". Kepler Asteroseismic Science Consortium. Aarhus University. March 14, 2009. Archived frae the oreeginal on May 5, 2012. Retrieved March 14, 2009. Cite uses deprecated parameter |deadurl= (help)
  3. 3.0 3.1 3.2 3.3 3.4 "Kepler (spacecraft)". JPL Horizons On-Line Ephemeris System. NASA/JPL. January 6, 2018. Retrieved January 6, 2018.
  4. "Kepler Spacecraft and Instrument". NASA. June 26, 2013. Archived frae the oreeginal on January 19, 2014. Retrieved January 18, 2014. Cite uses deprecated parameter |deadurl= (help)
  5. "Kepler: About the Mission". NASA / Ames Research Center. 2013. Retrieved April 11, 2016.
  6. Dunham, Edward W.; Gautier, Thomas N.; Borucki, William J. (August 2, 2010). "Statement from the Kepler Science Council". NASA / Ames Research Center. Retrieved April 14, 2016.