Showing default

COSMOS 2144, 21300

Orbit data source: Space-Track

COSMOS 2144, 21300 is a payload satellite owned by UNKS RF (CIS) in LEO that was launched on Thu, 16 May 1991 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/21300?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/21300?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

21300, 1991-033B

Orbit

LEO

Last TLE update

16 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)

1991-05-16 (34 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, Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 16 hours ago

0 COSMOS 2144
1 21300U 91033B   25197.91016499  .00000025  00000-0  78205-4 0  9998
2 21300  82.5770 183.3663 0005722 138.2390 221.9138 12.62381548574157

Epoch: 2025-07-16T21:50Z

TLE epoch observation values (Epoch: 2025-07-16T21:50:38.255Z)

Latitude

-0.00007°

Longitude

-79.27666°

Altitude

1,419.179 km

Speed

7.15 km/s

True Right ascension

12h 13m 27s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

82.60832°

Longitude

12.4056°

Altitude

1,423.624 km

Speed

7.157 km/s

Apparent Right ascension

14h 51m 37s

Apparent Declination

33° 45' 52"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

02:14:16

Azimuth

351.943° N

Elevation

-15.816°

Doppler factor

Orbital elements

Apogee altitude

1,414.907 km

Perigee altitude

1,405.994 km

Semi-major axis

7,788.588 km

Eccentricity

0.00057

Inclination

82.577°

RAAN

183.3663°

Arg. of periapsis

138.239°

True anomaly

Unknown

Mean anomaly

221.9138°

Eccentric anomaly

Unknown

Mean motion

3.15759 °/min

Orbital period

114.01 mins

BSTAR

0.000078205

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

Other satellites on launch #33 in the year 1991 (1991-05-16 UTC)

COSMOS 2143 DEB, 57720

COSMOS 2143 DEB, 57721

COSMOS 2143 DEB, 57722

COSMOS 2143 DEB, 57723

COSMOS 2143 DEB, 57724

COSMOS 2143 DEB, 57725

COSMOS 2144 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	2025-07-17 22:40:14.279Z	145.764° SSE	2025-07-17 22:47:14.279Z	81.948° E	30.485°	2025-07-17 22:54:14.279Z	24.078° NE
14 mins	2025-07-18 00:35:14.279Z	217.373° SW	2025-07-18 00:41:14.279Z	275.233° WNW	35.576°	2025-07-18 00:49:14.279Z	355.31° N
6 mins	2025-07-18 08:44:14.279Z	42.097° NE	2025-07-18 08:46:14.279Z	57.23° ENE	13.162°	2025-07-18 08:50:14.279Z	86.799° E
15 mins	2025-07-18 10:36:14.279Z	357.438° N	2025-07-18 10:43:14.279Z	86.186° E	43.826°	2025-07-18 10:51:14.279Z	165.969° S
9 mins	2025-07-18 12:33:14.279Z	313.938° NW	2025-07-18 12:37:14.279Z	279.648° WNW	20.073°	2025-07-18 12:42:14.279Z	239.116° WSW

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 ascending order

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 2144, 21300 on other resources

View COSMOS 2144, 21300 on NASA - NSSDCA Website

View COSMOS 2144, 21300 on Heavens-Above

View COSMOS 2144, 21300 on Keep Track

View COSMOS 2144, 21300 on Celestrak

View COSMOS 2144, 21300 on Gunter's Space Page

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