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: 16 hours ago
TLE from 16 hours ago
0 RUBIN 4/SL-8
1 27940U 03042B 25353.47184170 .00000524 00000-0 97887-4 0 9995
2 27940 98.3723 161.7822 0012657 198.5279 161.5466 14.69201038188173Epoch: 2025-12-19T11:19Z
TLE epoch observation values (Epoch: 2025-12-19T11:19:27.122Z)
Latitude
-0.00008°
Longitude
-96.39331°
Altitude
675.069 km
Speed
7.515 km/s
True Right ascension
10h 47m 07s
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
02:08:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
669.606 km
Perigee altitude
651.788 km
Semi-major axis
7,038.834 km
Eccentricity
0.00127
Inclination
98.3723°
RAAN
161.7822°
Arg. of periapsis
198.5279°
True anomaly
161.59244°
Mean anomaly
161.5466°
Eccentric anomaly
161.56953°
Mean motion
3.67529 °/min
Orbital period
97.95 mins
BSTAR
0.000097887
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-12-20 10:21:57.267Z | 105.928° ESE | 2025-12-20 10:24:57.267Z | 57.571° ENE | 19.44° | 2025-12-20 10:26:57.267Z | 27.169° NE |
| 7 mins | 2025-12-20 11:57:57.267Z | 199.938° SSW | 2025-12-20 12:00:57.267Z | 254.677° W | 31.226° | 2025-12-20 12:04:57.267Z | 327.328° NNW |
| 6 mins | 2025-12-20 23:52:57.267Z | 39.523° NE | 2025-12-20 23:54:57.267Z | 84.394° E | 34.539° | 2025-12-20 23:58:57.267Z | 169.199° S |
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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