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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Edit Public Description
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: 10 hours ago
TLE from 10 hours ago
0 RUBIN 4/SL-8
1 27940U 03042B 25308.45299772 .00000819 00000-0 14825-3 0 9995
2 27940 98.3721 115.6536 0012841 350.3031 9.7924 14.69087439181565Epoch: 2025-11-04T10:52Z
TLE epoch observation values (Epoch: 2025-11-04T10:52:19.003Z)
Latitude
-0.00003°
Longitude
-91.36538°
Altitude
658.062 km
Speed
7.533 km/s
True Right ascension
07h 42m 36s
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
16:25:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
670.099 km
Perigee altitude
652.021 km
Semi-major axis
7,039.197 km
Eccentricity
0.00128
Inclination
98.3721°
RAAN
115.6536°
Arg. of periapsis
350.3031°
True anomaly
9.81747°
Mean anomaly
9.7924°
Eccentric anomaly
9.80493°
Mean motion
3.67501 °/min
Orbital period
97.96 mins
BSTAR
0.00014825
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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 | 2025-11-05 00:31:53.168Z | 357.51° N | 2025-11-05 00:34:53.168Z | 273.547° WNW | 39.529° | 2025-11-05 00:38:53.168Z | 209.982° SW |
| 7 mins | 2025-11-05 11:30:53.168Z | 180.548° SSW | 2025-11-05 11:33:53.168Z | 231.366° WSW | 40.56° | 2025-11-05 11:37:53.168Z | 337.379° NNW |
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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