AB
Illustration of Chandra
NamesAdvanced X-ray Astrophysics Facility (AXAF)
Mission typeX-ray astronomy
OperatorNASA / SAO / CXC
COSPAR ID1999-040B
SATCAT no.25867
Websitehttps://chandra.harvard.edu/
Mission durationPlanned: 5 years
Elapsed: 26 years, 11 months, 3 days
Spacecraft properties
ManufacturerTRW Inc.
Launch mass5,860 kg (12,930 lb)1
Dry mass4,790 kg (10,560 lb)1
DimensionsDeployed: 13.8 × 19.5 m (45.3 × 64.0 ft)2
Stowed: 11.8 × 4.3 m (38.7 × 14.0 ft)1
Power2,350 W2
Start of mission
Launch dateJuly 23, 1999, 04:30:59.984 UTC3
RocketSpace Shuttle Columbia (STS-93)
Launch siteKennedy, LC-39B
Orbital parameters
Reference systemGeocentric
RegimeHighly elliptical
Semi-major axis80,795.9 km (50,204.2 mi)
Eccentricity0.743972
Perigee altitude14,307.9 km (8,890.5 mi)
Apogee altitude134,527.6 km (83,591.6 mi)
Inclination76.7156°
Period3809.3 min
RAAN305.3107°
Argument of perigee267.2574°
Mean anomaly0.3010°
Mean motion0.3780 rev/day
EpochSeptember 4, 2015, 04:37:54 UTC4
Revolution no.1358
Main telescope
TypeWolter type 15
Diameter1.2 m (3.9 ft)2
Focal length10.0 m (32.8 ft)2
Collecting area0.04 m (0.43 sq ft)2
WavelengthsX-ray: 0.12–12 nm (0.1–10 keV)6
Resolution0.5 arcsec2
NASA Great Observatories Large Strategic Science Missions
Astrophysics Division

Chandra X-ray Observatory

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Footnotes

  1. “Chandra X-ray Observatory Quick Facts”. Marshall Space Flight Center. Archived from the original on February 12, 2022. Retrieved September 16, 2017. 2 3

  2. “Chandra Specifications”. NASA/Harvard. Retrieved September 3, 2015. 2 3 4 5 6

  3. “International Flight No. 210: STS-93”. Spacefacts.de. Retrieved April 29, 2018.

  4. “Chandra X-Ray Observatory - Orbit”. Heavens Above. September 3, 2015. Retrieved September 3, 2015.

  5. “The Chandra X-ray Observatory: Overview”. Chandra X-ray Center. Retrieved September 3, 2015.

  6. Ridpath, Ian (2012). The Dictionary of Astronomy (2nd ed.). Oxford University Press. p. 82. ISBN 978-0-19-960905-5.