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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 teep Space telescope
Operator NASA / LASP
COSPAR ID 2009-011A
SATCAT no. 34380
Wabsteix kepler.nasa.gov
Mission duration Planned: 3.5 years
Feenal: 9 years, 7 months, 23 days
Spacecraft properties
Manufacturer Ball Aerospace & Technologies
Launch mass 1,052.4 kg (2,320 lb)[1]
Dry mass 1,040.7 kg (2,294 lb)[1]
Peylaid mass 478 kg (1,054 lb)[1]
Dimensions 4.7 m × 2.7 m (15.4 ft × 8.9 ft)[1]
Pouer 1100 watts[1]
Stairt o mission
Launch date March 7, 2009, 03:49:57 (2009-03-07UTC03:49:57) UTC[2]
Rocket Delta II (7925-10L)
Launch steid Cape Canaveral SLC-17B
Contractor United Launch Alliance
Entered service 12 Mey 2009, 09:01 UTC
End of mission
Deactivatit November 15, 2018 (2018-11-15)
Orbital parameters
Reference seestem Heliocentric
Regime Yird-trailin
Semi-major axis 1.0133 AU
Eccentricity 0.036116
Perihelion 0.97671 AU
Aphelion 1.0499 AU
Inclination 0.44747 degrees
Period 372.57 days
Argiement o perihelion 294.04 degrees
Mean anomaly 311.67 degrees
Mean motion 0.96626 deg/day
Epoch 1 Januar 2018 (J2000: 2458119.5)[3]
Main telescope
Teep Schmidt
Diameter 0.95 m (3.1 ft)
Collectin aurie 0.708 m2 (7.62 sq ft)[upper-alpha 1]
Wavelenths 430–890 nm[3]
Transponders
Baundweenth X 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. 
  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. 
  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.