Encyclopedia Astronautica
Navigator bus


Satellite bus developed by Lavochkin 2000-2010 for use by a variety of earth-resource and scientific satellites. Operational, first launch 2011.01.20. 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.

First Launch: 2011.01.20.
Last Launch: 2011.07.18.
Number: 2 .

More... - Chronology...


Associated Manufacturers and Agencies
  • Lavochkin Russian manufacturer of rockets and spacecraft. Lavochkin Design Bureau, Moscow, Russia. More...

Navigator bus Chronology


2011 January 20 - . 12:29 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC45/1. LV Family: Zenit. Launch Vehicle: Zenit-3SLB. LV Configuration: 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: 0.4000 deg. Period: 1,423.50 min. Summary: 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-3F. LV Configuration: Zenit-3F/Fregat.
  • Spektr R - . Mass: 3,660 kg (8,060 lb). Nation: Russia. Class: Astronomy. Type: Astronomy satellite. Spacecraft: Navigator bus. USAF Sat Cat: 37755 . COSPAR: 2011-037A. Apogee: 316,213 km (196,485 mi). Perigee: 16,018 km (9,953 mi). Inclination: 73.9000 deg. Period: 11,882.80 min. Summary: 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..

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