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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27940 intel report (Beta)
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Identifier
Orbit
Country
DE / GERRelated business
Manufacturer
Polyot
Mission
Spacecraft
Bus & Motor
S3, Unknown motor
Mass
1,479 kg wet, 1,434 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Cyl, 2.1 m
Radar Cross Section
10.179 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 RUBIN 4/SL-8
1 27940U 03042B 26121.46820936 .00000683 00000-0 12403-3 0 9991
2 27940 98.3858 298.2025 0013840 140.3340 219.8880 14.69440295207700Epoch: 2026-05-01T11:14Z
TLE epoch observation values (Epoch: 2026-05-01T11:14:13.288Z)
Latitude
0°
Longitude
-89.7529°
Altitude
673.332 km
Speed
7.516 km/s
True Right ascension
19h 52m 48s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
06:54:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
669.673 km
Perigee altitude
650.192 km
Semi-major axis
7,038.07 km
Eccentricity
0.00138
Inclination
98.3858°
RAAN
298.2025°
Arg. of periapsis
140.334°
True anomaly
219.78643°
Mean anomaly
219.888°
Eccentric anomaly
219.8372°
Mean motion
3.67589 °/min
Orbital period
97.94 mins
BSTAR
0.00012403
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Other satellites on launch #42 in the year 2003 (2003-09-27 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-05-02 00:53:36.593Z | 3.063° NNE | 2026-05-02 00:56:36.593Z | 271.266° WNW | 42.299° | 2026-05-02 01:00:36.593Z | 204.756° SW |
| 7 mins | 2026-05-02 11:52:36.593Z | 174.149° S | 2026-05-02 11:55:36.593Z | 219.64° SW | 43.15° | 2026-05-02 11:59:36.593Z | 341.602° N |
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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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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 |
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