Showing default

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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/18791?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/18791?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

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 (38 years ago)

Launch vehicle

TSIKLON-3

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 0.8 m

Radar Cross Section

1.257 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 11 hours ago

TLE from 11 hours ago

0 COSMOS 1912
1 18791U 88002D   26048.69877050  .00000040  00000-0  15804-3 0  9991
2 18791  82.6123 314.8567 0011139  19.1127   8.6635 12.65067814758783

Epoch: 2026-02-17T16:46Z

TLE epoch observation values (Epoch: 2026-02-17T16:46:13.771Z)

Latitude

27.58248°

Longitude

-80.51113°

Altitude

1,396.772 km

Speed

7.168 km/s

True Right ascension

21h 14m 53s

True Declination

27° 27' 11"

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

06:24:13

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,408.076 km

Perigee altitude

1,390.749 km

Semi-major axis

7,777.549 km

Eccentricity

0.00111

Inclination

82.6123°

RAAN

314.8567°

Arg. of periapsis

19.1127°

True anomaly

8.68275°

Mean anomaly

8.6635°

Eccentric anomaly

8.67312°

Mean motion

3.16431 °/min

Orbital period

113.77 mins

BSTAR

0.00015804

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

COSMOS 1912 Visibility forecast

Loading observer location...
Set Observer location

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.
14 mins	2026-02-18 04:37:13.627Z	7.73° NNE	2026-02-18 04:44:13.627Z	74.037° E	33.656°	2026-02-18 04:51:13.627Z	140.627° SSE
13 mins	2026-02-18 06:33:13.627Z	331.272° NNW	2026-02-18 06:39:13.627Z	267.623° W	32.616°	2026-02-18 06:46:13.627Z	208.474° SW
13 mins	2026-02-18 17:24:13.627Z	149.025° SSE	2026-02-18 17:30:13.627Z	93.052° ESE	32.969°	2026-02-18 17:37:13.627Z	24.334° NE
13 mins	2026-02-18 19:19:13.627Z	223.985° SW	2026-02-18 19:25:13.627Z	285.481° WNW	33.068°	2026-02-18 19:32:13.627Z	351.867° N
6 mins	2026-02-19 03:26:13.627Z	38.219° NE	2026-02-19 03:29:13.627Z	61.692° ENE	14.752°	2026-02-19 03:32:13.627Z	85.112° E

Items per page:

1–5 of 5 items

of 1 page

Co-orbital & Co-planar RSOs

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

Please sign-in to view Co-orbital & Co-planar RSOs.

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

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

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: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-02-17T16:46:13.771Z)

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: 11 hours ago