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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.

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https://www.satcat.com/sats-embedded/27940?theme=dark&initialShowStats=false

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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 (23 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: 13 hours ago

TLE from 13 hours ago

0 RUBIN 4/SL-8
1 27940U 03042B   26186.42803325  .00000677  00000-0  12290-3 0  9998
2 27940  98.3884   4.8937 0011933 302.8697  57.1358 14.69510106217245

Epoch: 2026-07-05T10:16Z

TLE epoch observation values (Epoch: 2026-07-05T10:16:22.072Z)

Latitude

-0.00011°

Longitude

-72.62576°

Altitude

661.072 km

Speed

7.529 km/s

True Right ascension

00h 19m 34s

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

10:50:45

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

668.108 km

Perigee altitude

651.311 km

Semi-major axis

7,037.847 km

Eccentricity

0.00119

Inclination

98.3884°

RAAN

4.8937°

Arg. of periapsis

302.8697°

True anomaly

57.25075°

Mean anomaly

57.1358°

Eccentric anomaly

57.19327°

Mean motion

3.67607 °/min

Orbital period

97.93 mins

BSTAR

0.0001229

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

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RUBIN 4/SL-8 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.
6 mins	2026-07-05 23:56:26.805Z	49.708° ENE	2026-07-05 23:59:26.805Z	98.649° ESE	21.396°	2026-07-06 00:02:26.805Z	144.057° SSE
6 mins	2026-07-06 01:33:26.805Z	343.55° N	2026-07-06 01:36:26.805Z	283.793° WNW	28.251°	2026-07-06 01:39:26.805Z	233.131° WSW
5 mins	2026-07-06 10:57:26.805Z	95.746° ESE	2026-07-06 10:59:26.805Z	59.389° ENE	20.353°	2026-07-06 11:02:26.805Z	17.356° NNE
6 mins	2026-07-06 12:33:26.805Z	211.093° SW	2026-07-06 12:35:26.805Z	252.384° W	29.503°	2026-07-06 12:39:26.805Z	325.399° NNW

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

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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: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2026-07-05T10:16:22.072Z)

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: 13 hours ago