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Encyclopedia entry

Navigator bus

Spacecraft

Original archive entry. The text, images and links below are kept as they were written.

Spektr R
Spektr R
Credit: Manufacturer Image

Satellite bus developed by Lavochkin 2000-2010 for use by a variety of earth-resource and scientific satellites. Operational, Dry mass 850 kg, propellant up to 540 kg, and payload up to 2600 kg. Solar panels provided 600-1100 watts maximum over a five-year designed operational life. Stabilized to within 2.5 deg by a hydrazine monopropellant system.

Subtopics

Launch Vehicles
Zenit-3SLBF
Launch Sites
Baikonur LC45/1
Bibliography
12873, 12874

Chronology

2 events

2011 January 20

12:29 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC45/1. LV Family: Zenit. Launch Vehicle: Zenit-3SLBF.
  • Elektro-L - . Mass: 1,700 kg (3,700 lb). Nation: Russia. Class: Earth. Type: Weather satellite. Spacecraft: Navigator bus. USAF Sat Cat: 37344 . COSPAR: 2011-001A. Apogee: 35,796 km (22,242 mi). Perigee: 35,285 km (21,925 mi). Inclination: 0.40 deg. Period: 1,423.50 min. First launch of a new generation Russian geosynchronous weather satellite using the Lavochkin Navigator bus. Equipped with a scanning visible/infrared radiometer, solar environment monitor, and a COSPAS-SARSAT search-and-rescue transponder system..

2011 July 18

02:31 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC45/1. LV Family: Zenit. Launch Vehicle: Zenit-3SLBF.
  • Spektr R - . Mass: 3,660 kg (8,060 lb). Nation: Russia. Class: Astronomy. Type: Radio astronomy satellite.. Spacecraft: Navigator bus. USAF Sat Cat: 37755 . COSPAR: 2011-037A. Apogee: 303,108 km (188,342 mi). Perigee: 27,499 km (17,087 mi). Inclination: 58.45 deg. Period: 11,799.00 min. Russian astronomical space observatory. Carried 10m diameter radio telescope observing at 92, 18, 6 and 1.35 cm wavelengths; solar wind and cosmic dust detectors; and laser corner reflectors for tracking..