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Track COSMOS 1987 (GLONASS Satellite in Real Time

Detailed information about COSMOS 1987 (GLONASS satellite

Designator id: 1989-001A

Description of COSMOS 1987 (GLONASS Satellite:

Cosmos 1987 was a Soviet Global Navigation Satellite System (GLONASS) satellite launched from the Baikonur cosmodrome aboard a Proton rocket. Originally established in order to locate the Soviet Union's civil aircraft and its merchant and fishing vessels, the signals were used by many American GPS system receivers as a complement/backup to the GPS system itself. The operational system contained 21 satellites in 3 orbital planes, with 3 on-orbit backups. Each satellite was identified by its slot number, which defined the orbital plane (1-8, 9-16, 17-24) and the location within the plane. The 3 orbital planes were separated 120 degrees, and the satellites within the same orbit plane by 45 degrees. The orbits were roughly circular with an inclination of about 64.8 degrees, a semi-axis of 25,440 km, and a period of 11h 15m 44s.

The 3-axis stabilized spacecraft possessed a mass of about 1,400 kg, a slight increase over the 1,250 original model. The diameter and height of the satellite bus were approximately 2.4 m and 3.7 m, respectively, with a solar array span of 7.2 m for an electrical power generation capability of 1.6 kW at beginning of life. The aft payload structure housed 12 primary antennas for L-band transmissions. Laser corner-cube reflectors were also carried to aid in precise orbit determination and geodetic research.


Technical data:

Launch Date: 1989-01-10
Launch Vehicle: Proton Booster Plus Upper Stage and Escape Stages
Launch Site: Tyuratam (Baikonur Cosmodrome), U.S.S.R
Mass: 1400.0 kg
Nominal Power: 1600.0 W
Funding Agencies:

Scientific Production Association(Russia) (U.S.S.R)

Disciplines:

Navigation & Global Positioning

Source: Nasa

Two Line Element Set (TLE):
1 19749U 89001A   12337.83667384  .00000011  00000-0  10000-3 0  6532
2 19749 064.3045 242.1377 0006819 263.2000 096.7880 02.13103279185984

Last TLE update on :2012-12-04

Find more details about COSMOS 1987 (GLONASS Satellite