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.
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
27940 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
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: 9 hours ago
TLE from 9 hours ago
0 RUBIN 4/SL-8
1 27940U 03042B 25256.89151796 .00000550 00000-0 10279-3 0 9999
2 27940 98.3693 62.8451 0013830 143.4849 216.7301 14.68955708173998Epoch: 2025-09-13T21:23Z
TLE epoch observation values (Epoch: 2025-09-13T21:23:47.151Z)
Latitude
-0.00005°
Longitude
108.78028°
Altitude
675.208 km
Speed
7.515 km/s
True Right ascension
04h 11m 22s
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
22:39:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
671.217 km
Perigee altitude
651.745 km
Semi-major axis
7,039.618 km
Eccentricity
0.00138
Inclination
98.3693°
RAAN
62.8451°
Arg. of periapsis
143.4849°
True anomaly
216.63545°
Mean anomaly
216.7301°
Eccentric anomaly
216.68276°
Mean motion
3.67468 °/min
Orbital period
97.97 mins
BSTAR
0.00010279
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #42 in the year 2003 (2003-09-27 UTC)
Did you know?
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
Loading observer location...
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 | 2025-09-14 10:36:16.418Z | 137.858° SSE | 2025-09-14 10:40:16.418Z | 59.294° ENE | 33.067° | 2025-09-14 10:43:16.418Z | 6.541° NNE |
| 4 mins | 2025-09-14 12:15:16.418Z | 238.452° WSW | 2025-09-14 12:17:16.418Z | 270.326° WNW | 17.16° | 2025-09-14 12:19:16.418Z | 300.317° NW |
| 7 mins | 2025-09-15 00:08:16.418Z | 10.496° NNE | 2025-09-15 00:11:16.418Z | 239.801° WSW | 44.611° | 2025-09-15 00:15:16.418Z | 197.229° SSW |
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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
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 ascending order |
|---|