Showing default

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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/27943?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/27943?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

27943, 2003-042E

Orbit

SSO

Country

TR / TURK

Related business

Information Technologies and Electronics Institute (TR)

Manufacturer

SSTL

Mission

Civil Imaging

Bus & Motor

SSTL-100, Unknown motor

Mass

100 kg wet, 100 kg dry

Launch date (UTC)

2003-09-27 (23 years ago)

Launch vehicle

KOSMOS 11K65M

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

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 & history
Last TLE update: 21 hours ago

TLE from 21 hours ago

0 BILSAT 1
1 27943U 03042E   26186.06923978  .00000407  00000-0  81628-4 0  9991
2 27943  98.3988 356.7171 0009691 298.0321  61.9901 14.67073167216740

Epoch: 2026-07-05T01:39Z

TLE epoch observation values (Epoch: 2026-07-05T01:39:42.316Z)

Latitude

-0.00012°

Longitude

48.71693°

Altitude

670.212 km

Speed

7.524 km/s

True Right ascension

23h 46m 52s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

10:56:32

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

674.336 km

Perigee altitude

660.68 km

Semi-major axis

7,045.645 km

Eccentricity

0.00097

Inclination

98.3988°

RAAN

356.7171°

Arg. of periapsis

298.0321°

True anomaly

62.0882°

Mean anomaly

61.9901°

Eccentric anomaly

62.03914°

Mean motion

3.66997 °/min

Orbital period

98.09 mins

BSTAR

0.000081628

Loading maneuver chart data...

Computing Atmospheric mass density...

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.

Click here to try in Sandbox

BILSAT 1 Visibility forecast

Loading observer location...
Set 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	2026-07-05 23:31:12.810Z	38.573° NE	2026-07-05 23:35:12.810Z	101.156° ESE	24.606°	2026-07-05 23:38:12.810Z	149.265° SSE
6 mins	2026-07-06 01:09:12.810Z	340.736° N	2026-07-06 01:12:12.810Z	286.499° WNW	25.203°	2026-07-06 01:15:12.810Z	238.57° WSW
6 mins	2026-07-06 10:33:12.810Z	113.182° SE	2026-07-06 10:36:12.810Z	58.296° ENE	23.713°	2026-07-06 10:39:12.810Z	14.352° NNE
6 mins	2026-07-06 12:10:12.810Z	215.643° SW	2026-07-06 12:13:12.810Z	274.681° WNW	25.433°	2026-07-06 12:16:12.810Z	320.119° NNW

Items per page:

1–4 of 4 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

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 descending 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 descending order

Check out BILSAT 1, 27943 on other resources

View BILSAT 1, 27943 on NASA - NSSDCA Website

View BILSAT 1, 27943 on Heavens-Above

View BILSAT 1, 27943 on Keep Track

View BILSAT 1, 27943 on Celestrak

View BILSAT 1, 27943 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

BILSAT 1, 27943

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 21 hours ago

TLE from 21 hours ago

TLE epoch observation values (Epoch: 2026-07-05T01:39:42.316Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #42 in the year 2003 (2003-09-27 UTC)

BILSAT 1 Visibility forecast

Co-orbital & Co-planar RSOs

Check out BILSAT 1, 27943 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 21 hours ago