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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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<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>

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

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Identifier

27943, 2003-042E

Orbit

SSO

Country

Unknown / 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 (22 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: 5 hours ago

TLE from 5 hours ago

0 BILSAT 1
1 27943U 03042E   26034.44704197  .00000491  00000-0  96921-4 0  9990
2 27943  98.3813 201.5540 0011784  54.1776 306.0520 14.66941344194515

Epoch: 2026-02-03T10:43Z

TLE epoch observation values (Epoch: 2026-02-03T10:43:44.426Z)

Latitude

-0.00006°

Longitude

-93.00895°

Altitude

668.955 km

Speed

7.525 km/s

True Right ascension

13h 26m 12s

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

18:04:19

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

676.233 km

Perigee altitude

659.627 km

Semi-major axis

7,046.067 km

Eccentricity

0.00118

Inclination

98.3813°

RAAN

201.554°

Arg. of periapsis

54.1776°

True anomaly

305.94273°

Mean anomaly

306.052°

Eccentric anomaly

305.99738°

Mean motion

3.66964 °/min

Orbital period

98.1 mins

BSTAR

0.000096921

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

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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.
5 mins	2026-02-03 22:47:23.188Z	58.515° ENE	2026-02-03 22:49:23.188Z	86.047° E	15.395°	2026-02-03 22:52:23.188Z	128.68° SE
7 mins	2026-02-04 00:24:23.188Z	351.795° N	2026-02-04 00:27:23.188Z	276.495° WNW	35.68°	2026-02-04 00:31:23.188Z	215.677° SW
6 mins	2026-02-04 11:25:23.188Z	196.149° SSW	2026-02-04 11:27:23.188Z	241.623° WSW	36.513°	2026-02-04 11:31:23.188Z	332.193° NNW

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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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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: 5 hours ago

TLE from 5 hours ago

TLE epoch observation values (Epoch: 2026-02-03T10:43:44.426Z)

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: 5 hours ago