Showing default

COSMOS 1911, 18790

Orbit data source: Space-Track

COSMOS 1911, 18790 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/18790?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/18790?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

18790, 1988-002C

Orbit

LEO

Last TLE update

13 hours ago

Origin

Russian Space Forces (CIS)

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 (37 years ago)

Launch vehicle

TSIKLON-3

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 1.6 m

Radar Cross Section

1.257 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 13 hours ago

0 COSMOS 1911
1 18790U 88002C   25181.85546698  .00000032  00000-0  11722-3 0  9992
2 18790  82.6087 112.6820 0006455 204.8253 210.2275 12.64372852728558

Epoch: 2025-06-30T20:31Z

TLE epoch observation values (Epoch: 2025-06-30T20:31:52.347Z)

Latitude

54.43284°

Longitude

-104.0454°

Altitude

1,418.203 km

Speed

7.155 km/s

True Right ascension

08h 12m 19s

True Declination

54° 17' 02"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

72.1796°

Longitude

-91.12589°

Altitude

1,420.594 km

Speed

7.155 km/s

Apparent Right ascension

09h 24m 00s

Apparent Declination

24° 35' 46"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

21:33:46

Azimuth

2.458° NNE

Elevation

-25.448°

Doppler factor

Orbital elements

Apogee altitude

1,407.286 km

Perigee altitude

1,397.242 km

Semi-major axis

7,780.401 km

Eccentricity

0.00065

Inclination

82.6087°

RAAN

112.682°

Arg. of periapsis

204.8253°

True anomaly

Unknown

Mean anomaly

210.2275°

Eccentric anomaly

Unknown

Mean motion

3.16257 °/min

Orbital period

113.83 mins

BSTAR

0.00011722

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

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

COSMOS 1911 Visibility forecast

Observer location: undefined°, undefined°

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	2025-07-01 19:07:24.868Z	150.397° SSE	2025-07-01 19:14:24.868Z	88.017° E	32.569°	2025-07-01 19:21:24.868Z	23.895° NE
13 mins	2025-07-01 21:03:24.868Z	224.08° SW	2025-07-01 21:09:24.868Z	289.503° WNW	33.781°	2025-07-01 21:16:24.868Z	353.084° N
7 mins	2025-07-02 05:10:24.868Z	37.943° NE	2025-07-02 05:13:24.868Z	61.166° ENE	14.334°	2025-07-02 05:17:24.868Z	91.188° ESE
15 mins	2025-07-02 07:02:24.868Z	355.557° N	2025-07-02 07:09:24.868Z	61.665° ENE	44.388°	2025-07-02 07:17:24.868Z	168.686° S
9 mins	2025-07-02 08:59:24.868Z	313.865° NW	2025-07-02 09:03:24.868Z	280.876° WNW	18.57°	2025-07-02 09:08:24.868Z	241.48° WSW

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 ascending order

Check out COSMOS 1911, 18790 on other resources

View COSMOS 1911, 18790 on NASA - NSSDCA Website

View COSMOS 1911, 18790 on Heavens-Above

View COSMOS 1911, 18790 on Keep Track

View COSMOS 1911, 18790 on Celestrak

View COSMOS 1911, 18790 on Gunter's Space Page

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