BILSAT 1, 27943
Orbit data source: Space-Track
BILSAT 1, 27943 is a payload satellite owned by TUBITAK-BILTEN (TR) in SSO that was launched on Sat, 27 Sep 2003 UTC via a KOSMOS 11K65M launch vehicle 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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27943 intel report (Beta)
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Identifier
Orbit
Country
TR / TURKRelated business
Manufacturer
SSTL
Mission
Civil Imaging
Bus & Motor
SSTL-100, Unknown motor
Mass
100 kg wet, 100 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Arm, 3.3 m
Radar Cross Section
0.540 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 17 hours ago
TLE from 17 hours ago
0 BILSAT 1
1 27943U 03042E 26123.93503640 .00000363 00000-0 73929-4 0 9994
2 27943 98.3942 293.0999 0011839 126.0721 234.1580 14.67029837207632Epoch: 2026-05-03T22:26Z
TLE epoch observation values (Epoch: 2026-05-03T22:26:27.144Z)
Latitude
-0.00012°
Longitude
94.65536°
Altitude
678.449 km
Speed
7.515 km/s
True Right ascension
19h 32m 23s
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
23:27:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
675.988 km
Perigee altitude
659.305 km
Semi-major axis
7,045.784 km
Eccentricity
0.00118
Inclination
98.3942°
RAAN
293.0999°
Arg. of periapsis
126.0721°
True anomaly
234.04812°
Mean anomaly
234.158°
Eccentric anomaly
234.10305°
Mean motion
3.66986 °/min
Orbital period
98.1 mins
BSTAR
0.000073929
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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.BILSAT 1 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 | 2026-05-04 23:34:47.897Z | 36.851° NE | 2026-05-04 23:37:47.897Z | 90.31° ESE | 30.401° | 2026-05-04 23:41:47.897Z | 163.015° S |
| 5 mins | 2026-05-05 01:12:47.897Z | 328.678° NNW | 2026-05-05 01:14:47.897Z | 295.461° NW | 19.793° | 2026-05-05 01:17:47.897Z | 249.562° W |
| 7 mins | 2026-05-05 10:35:47.897Z | 127.023° SE | 2026-05-05 10:38:47.897Z | 69.818° E | 29.727° | 2026-05-05 10:42:47.897Z | 5.773° NNE |
| 5 mins | 2026-05-05 12:13:47.897Z | 229.546° WSW | 2026-05-05 12:15:47.897Z | 262.867° W | 20.14° | 2026-05-05 12:18:47.897Z | 309.754° NW |
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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