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, 2.4 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 26303.47208969 .00000203 00000-0 43061-4 0 9993
2 27940 98.3907 125.1430 0011892 293.3242 66.6711 14.69593376234438Epoch: 2026-10-30T11:19Z
TLE epoch observation values (Epoch: 2026-10-30T11:19:48.549Z)
Latitude
-0.00001°
Longitude
-83.60096°
Altitude
662.051 km
Speed
7.528 km/s
True Right ascension
08h 20m 34s
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
17:20:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
667.813 km
Perigee altitude
651.075 km
Semi-major axis
7,037.581 km
Eccentricity
0.00119
Inclination
98.3907°
RAAN
125.143°
Arg. of periapsis
293.3242°
True anomaly
66.79631°
Mean anomaly
66.6711°
Eccentric anomaly
66.7337°
Mean motion
3.67628 °/min
Orbital period
97.93 mins
BSTAR
0.000043061
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-10-31 00:57:46.349Z | 18.485° NNE | 2026-10-31 01:02:46.349Z | 136.553° SSE | 63.41° | 2026-10-31 01:06:46.349Z | 185.042° SSW |
| 7 mins | 2026-10-31 11:58:46.349Z | 147.471° SSE | 2026-10-31 12:01:46.349Z | 65.431° ENE | 60.254° | 2026-10-31 12:05:46.349Z | 355.271° N |
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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