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Etalon
Etalon
Etalon
Russian earth geodetic satellite. Passive geodetic satellites, 1415 kg, 1.294 m in diameter, covered with 306 antenna arrays, each with 14 corner cubes for laser reflection. Geodesy satellite, Russia. Launched 1989.

Status: Operational 1989. First Launch: 1989-01-10. Last Launch: 1989-05-31. Number: 2 . Gross mass: 1,415 kg (3,119 lb). Height: 1.29 m (4.25 ft). Span: 1.29 m (4.25 ft).

Etalon was designed and launched with the primary mission of fully characterizing the earth's gravitational field at the altitude and inclination planned for the Glonass navigation satellites. The satellite was also used to refine understanding of Earth and Moon's gravitational fields, determine the effect of non-gravitational forces on the satellites; acquisition of data to enhance accuracy in identifying and forecasting movements of space apparatus, and for geophysical and geodetic research.


More at: Etalon.

Family: Earth, Earth geodetic sat, Medium earth orbit. Country: Russia. Launch Vehicles: Proton, Proton-K/DM-2. Launch Sites: Baikonur, Baikonur LC200/40, Baikonur LC200/39. Agency: MOM, Reshetnev bureau. Bibliography: 119, 2, 274, 445, 6, 67.
Photo Gallery

Etalon 1Etalon 1
Credit: Manufacturer Image



1989 January 10 - . 02:05 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/39. LV Family: Proton. Launch Vehicle: Proton-K/DM-2.
  • Cosmos 1989 - . Payload: Etalon PKA s/n 1L. Mass: 1,415 kg (3,119 lb). Nation: Russia. Agency: MOM. Class: Earth. Type: Geodetic satellite. Spacecraft: Etalon. USAF Sat Cat: 19751 . COSPAR: 1989-001C. Apogee: 19,152 km (11,900 mi). Perigee: 19,097 km (11,866 mi). Inclination: 64.9000 deg. Period: 675.50 min. Etalon series. Acquisition of data to enhance accuracy in identifying and forecasting movements of space apparatus, and for geophysical and geodetic research. .

1989 May 31 - . 08:31 GMT - . Launch Site: Baikonur. Launch Complex: Baikonur LC200/40. LV Family: Proton. Launch Vehicle: Proton-K/DM-2.
  • Cosmos 2024 - . Payload: Etalon PKA s/n 2L. Mass: 1,415 kg (3,119 lb). Nation: Russia. Agency: MOM. Class: Earth. Type: Geodetic satellite. Spacecraft: Etalon. USAF Sat Cat: 20026 . COSPAR: 1989-039C. Apogee: 19,146 km (11,896 mi). Perigee: 19,095 km (11,865 mi). Inclination: 65.5000 deg. Period: 675.40 min. Etalon series. Acquisition of data to enhance accuracy in identifying and forecasting movements of space apparatus, and for geophysical and geodetic research. .


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