COSMOS 1987 (GLONASS), 19749
Orbit data source: Space-Track
COSMOS 1987 (GLONASS), 19749 is a payload satellite owned by UNKS (CIS) in MEO that was launched on Tue, 10 Jan 1989 UTC via a PROTON-K/DM-2 launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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19749 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
Omsk Av. Zav.
Mission
Non-operational Defense Navigation
Bus & Motor
URAGAN, Unknown motor
Mass
1,300 kg wet, ~1,200 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 2 Pan, 4.2 m
Radar Cross Section
14.707 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 20 hours ago
TLE from 20 hours ago
0 COSMOS 1987 (GLONASS)
1 19749U 89001A 26073.64680280 .00000057 00000-0 00000-0 0 9992
2 19749 64.8809 75.5217 0005275 242.4298 115.5257 2.13073246289276Epoch: 2026-03-14T15:31Z
TLE epoch observation values (Epoch: 2026-03-14T15:31:23.761Z)
Latitude
-1.83872°
Longitude
29.53917°
Altitude
19,138.787 km
Speed
3.952 km/s
True Right ascension
04h 58m 36s
True Declination
-1° 50' 08"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
16:00:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
19,145.258 km
Perigee altitude
19,118.345 km
Semi-major axis
25,509.938 km
Eccentricity
0.00053
Inclination
64.8809°
RAAN
75.5217°
Arg. of periapsis
242.4298°
True anomaly
115.58023°
Mean anomaly
115.5257°
Eccentric anomaly
115.55297°
Mean motion
0.5327 °/min
Orbital period
675.81 mins
BSTAR
0
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Other satellites on launch #1 in the year 1989 (1989-01-10 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.COSMOS 1987 (GLONASS) Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 327 mins | 2026-03-16 00:31:51.177Z | 193.282° SSW | 2026-03-16 02:53:51.177Z | 292.562° NW | 44.416° | 2026-03-16 05:58:51.177Z | 70.992° E |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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