Showing default

RUBIN 4/SL-8, 27940

Orbit data source: Space-Track

RUBIN 4/SL-8, 27940 is a payload satellite owned by KVR (DE) in SSO that was launched on Sat, 27 Sep 2003 UTC launched 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/27940?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/27940?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

27940, 2003-042B

Orbit

SSO

Country

DE / GER

Related business

Russian Space Forces (RU)

Manufacturer

Polyot

Mission

Spacecraft

Bus & Motor

S3, Unknown motor

Mass

1,479 kg wet, 1,434 kg dry

Launch date (UTC)

2003-09-27 (22 years ago)

Launch vehicle

Unknown

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 2.1 m

Radar Cross Section

10.179 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 6 hours ago

TLE from 6 hours ago

0 RUBIN 4/SL-8
1 27940U 03042B   26034.44093247  .00000829  00000-0  14910-3 0  9996
2 27940  98.3765 208.9039 0014040  61.1158 299.1453 14.69307462194924

Epoch: 2026-02-03T10:34Z

TLE epoch observation values (Epoch: 2026-02-03T10:34:56.565Z)

Latitude

-0.00007°

Longitude

-83.4536°

Altitude

661.467 km

Speed

7.529 km/s

True Right ascension

13h 55m 36s

True Declination

0° 00' 00"

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

18:04:26

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

670.239 km

Perigee altitude

650.475 km

Semi-major axis

7,038.494 km

Eccentricity

0.0014

Inclination

98.3765°

RAAN

208.9039°

Arg. of periapsis

61.1158°

True anomaly

299.00466°

Mean anomaly

299.1453°

Eccentric anomaly

299.07499°

Mean motion

3.67556 °/min

Orbital period

97.94 mins

BSTAR

0.0001491

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

Other satellites on launch #42 in the year 2003 (2003-09-27 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

RUBIN 4/SL-8 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.
8 mins	2026-02-04 00:13:30.311Z	20.002° NNE	2026-02-04 00:17:30.311Z	102.304° ESE	42.471°	2026-02-04 00:21:30.311Z	183.667° SSW
6 mins	2026-02-04 11:14:30.311Z	145.489° SSE	2026-02-04 11:17:30.311Z	46.27° ENE	39.8°	2026-02-04 11:20:30.311Z	357.48° N

Items per page:

1–2 of 2 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 RUBIN 4/SL-8, 27940 on other resources

View RUBIN 4/SL-8, 27940 on NASA - NSSDCA Website

View RUBIN 4/SL-8, 27940 on Heavens-Above

View RUBIN 4/SL-8, 27940 on Keep Track

View RUBIN 4/SL-8, 27940 on Celestrak

View RUBIN 4/SL-8, 27940 on Gunter's Space Page

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

RUBIN 4/SL-8, 27940

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-02-03T10:34:56.565Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #42 in the year 2003 (2003-09-27 UTC)

RUBIN 4/SL-8 Visibility forecast

Co-orbital & Co-planar RSOs

Check out RUBIN 4/SL-8, 27940 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 hours ago