COSMOS 1861

18129
Spacetrack Directory Number
1987-06-23
Orbit launches
999.87 km
Average height
26471.98 km/h
Average velocity


Satellite information COSMOS 1861

Spacetrack Directory Name COSMOS 1861
Follow COSMOS 1861 COSMOS 1861 Tracker
Pass predictions COSMOS 1861 Pass predictions COSMOS 1861
Orbit launches 1987-06-23 (39 years ago)
Days in orbit 14336
Country/organisation of origin Commonwealth of Independent States (former USSR) (CIS)
Starting point PLMSC (Plesetsk Missile and Space Complex, Russia)
Perigee 979 km
Apogee 998 km
Orbit slope (inclination) 82.92°
Laps per day 14
Height COSMOS 1861 999.87 km

Additional information COSMOS 1861

COSMOS 1861, 18129 is a payload satellite owned by VMF (CIS) in LEO that was launched on Tue, 23 Jun 1987 UTC via a KOSMOS 11K65M launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). Payloads include a variety of satellites, spacecraft, and rockets 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.

satellite COSMOS 1861 Date of exalting 23.06.1987y. Average height of ISS COSMOS 1861 hundred 999.87 km. Average velocity COSMOS 1861 is 26471.98 km/h. Inclination COSMOS 1861 satellite 82.92°.

TLE



Average orbit height COSMOS 1861

Average velocity COSMOS 1861

Average inclination COSMOS 1861

Mean right ascension of the ascending node (RAAN) COSMOS 1861

Mean argument of perigee COSMOS 1861

Mean semi-major axis of the orbit COSMOS 1861

Mean orbital eccentricity COSMOS 1861

Frequency COSMOS 1861

In the table below we show the frequencies COSMOS 1861.

Downlink Beacon Mode
29.357 MHz Beacon: 29.357/29.403 CW

Update time: 2026-09-21 19:50:21
Average height of ISS COSMOS 1861 is: 999.87km
Average velocity COSMOS 1861 is: 26471.98km/h
Average orbit height COSMOS 1861 is: 82.92°
COSMOS 1861 a new group of Starlink satellites has been launched 1987-06-23
COSMOS 1861 is from 14336 days Days in orbit.