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: 1 day ago
TLE from 1 day ago
0 RUBIN 4/SL-8
1 27940U 03042B 26245.46159896 .00000250 00000-0 50888-4 0 9998
2 27940 98.3920 65.5314 0014182 111.8230 248.4485 14.69554792225917Epoch: 2026-09-02T11:04Z
TLE epoch observation values (Epoch: 2026-09-02T11:04:42.150Z)
Latitude
0.00001°
Longitude
-82.25802°
Altitude
669.163 km
Speed
7.52 km/s
True Right ascension
04h 22m 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
08:06:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
669.548 km
Perigee altitude
649.586 km
Semi-major axis
7,037.704 km
Eccentricity
0.00142
Inclination
98.392°
RAAN
65.5314°
Arg. of periapsis
111.823°
True anomaly
248.29745°
Mean anomaly
248.4485°
Eccentric anomaly
248.37296°
Mean motion
3.67618 °/min
Orbital period
97.93 mins
BSTAR
0.000050888
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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 | 2026-09-04 01:14:16.140Z | 4.293° NNE | 2026-09-04 01:17:16.140Z | 307.796° NW | 41.9° | 2026-09-04 01:21:16.140Z | 206.065° SW |
| 7 mins | 2026-09-04 12:14:16.140Z | 176.358° S | 2026-09-04 12:17:16.140Z | 289.31° WNW | 43.197° | 2026-09-04 12:21:16.140Z | 342.457° 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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