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COSMOS 1912, 18791

Orbit data source: Space-Track

COSMOS 1912, 18791 is a payload satellite owned by UNKS (CIS) in LEO that was launched on Fri, 15 Jan 1988 UTC via a TSIKLON-3 launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). 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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https://www.satcat.com/sats-embedded/18791?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

18791, 1988-002D

Orbit

LEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

NPO PM

Mission

Defense Communications

Bus & Motor

STRELA-3, Unknown motor

Mass

225 kg wet, 225 kg dry

Launch date (UTC)

1988-01-15 (39 years ago)

Launch vehicle

TSIKLON-3

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 0.9 m

Radar Cross Section

1.257 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 8 hours ago

TLE from 8 hours ago

0 COSMOS 1912
1 18791U 88002D   26318.77552860  .00000018  00000-0  38459-4 0  9996
2 18791  82.6066 142.3731 0011206 116.6360 254.9784 12.65075345792937

Epoch: 2026-11-14T18:36Z

TLE epoch observation values (Epoch: 2026-11-14T18:36:45.671Z)

Latitude

11.34995°

Longitude

170.79247°

Altitude

1,406.319 km

Speed

7.157 km/s

True Right ascension

09h 35m 25s

True Declination

11° 17' 21"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

23:03:18

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,408.097 km

Perigee altitude

1,390.666 km

Semi-major axis

7,777.518 km

Eccentricity

0.00112

Inclination

82.6066°

RAAN

142.3731°

Arg. of periapsis

116.636°

True anomaly

254.85442°

Mean anomaly

254.9784°

Eccentric anomaly

254.91641°

Mean motion

3.16433 °/min

Orbital period

113.77 mins

BSTAR

0.000038459

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Other satellites on launch #2 in the year 1988 (1988-01-15 UTC)

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COSMOS 1912 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.
12 mins	2026-11-15 11:44:59.630Z	132.483° SE	2026-11-15 11:50:59.630Z	81.194° E	27.12°	2026-11-15 11:56:59.630Z	31.722° NE
15 mins	2026-11-15 13:37:59.630Z	204.412° SW	2026-11-15 13:44:59.630Z	281.559° WNW	60.027°	2026-11-15 13:52:59.630Z	0.503° NNE
14 mins	2026-11-15 23:38:59.630Z	5.495° NNE	2026-11-15 23:44:59.630Z	72.707° E	55.233°	2026-11-15 23:52:59.630Z	154.153° SSE
12 mins	2026-11-16 01:33:59.630Z	325.728° NNW	2026-11-16 01:38:59.630Z	281.576° WNW	29.335°	2026-11-16 01:45:59.630Z	221.449° SW

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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Check out COSMOS 1912, 18791 on other resources

View COSMOS 1912, 18791 on NASA - NSSDCA Website

View COSMOS 1912, 18791 on Heavens-Above

View COSMOS 1912, 18791 on Keep Track

View COSMOS 1912, 18791 on Celestrak

View COSMOS 1912, 18791 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

COSMOS 1912, 18791

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-11-14T18:36:45.671Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #2 in the year 1988 (1988-01-15 UTC)

COSMOS 1912 Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 1912, 18791 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago