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FASAT B, 25395

Orbit data source: Space-Track

FASAT B, 25395 is a payload satellite owned by FACh (CL) in SSO that was launched on Fri, 10 Jul 1998 UTC via a ZENIT-2 launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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/25395?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/25395?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

25395, 1998-043B

Orbit

SSO

Country

CL / CHLE

Related business

Chilean Air Force (CL)

Manufacturer

SSTL

Mission

Defense Imaging

Bus & Motor

UOSAT, Unknown motor

Mass

50 kg wet, 50 kg dry

Launch date (UTC)

1998-07-10 (28 years ago)

Launch vehicle

ZENIT-2

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 1 Ant, 3.3 m

Radar Cross Section

0.597 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 9 hours ago

TLE from 9 hours ago

0 FASAT B
1 25395U 98043B   26093.92462432  .00000245  00000-0  12091-3 0  9997
2 25395  98.9684  81.9804 0002422 346.8203  13.2913 14.26492472442253

Epoch: 2026-04-03T22:11Z

TLE epoch observation values (Epoch: 2026-04-03T22:11:27.541Z)

Latitude

0.00003°

Longitude

-83.13613°

Altitude

804.701 km

Speed

7.452 km/s

True Right ascension

05h 27m 55s

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

12:58:38

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

802.38 km

Perigee altitude

798.903 km

Semi-major axis

7,178.779 km

Eccentricity

0.00024

Inclination

98.9684°

RAAN

81.9804°

Arg. of periapsis

346.8203°

True anomaly

13.29768°

Mean anomaly

13.2913°

Eccentric anomaly

13.29449°

Mean motion

3.56835 °/min

Orbital period

100.89 mins

BSTAR

0.00012091

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Other satellites on launch #43 in the year 1998 (1998-07-10 UTC)

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FASAT B 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.
9 mins	2026-04-04 12:14:38.195Z	8.806° NNE	2026-04-04 12:18:38.195Z	265.381° W	43.972°	2026-04-04 12:23:38.195Z	201.637° SSW
6 mins	2026-04-04 21:55:38.195Z	99.123° ESE	2026-04-04 21:58:38.195Z	56.251° ENE	19.529°	2026-04-04 22:01:38.195Z	19.302° NNE
8 mins	2026-04-04 23:33:38.195Z	189.748° SSW	2026-04-04 23:37:38.195Z	264.503° W	37.03°	2026-04-04 23:41:38.195Z	331.027° 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 FASAT B, 25395 on other resources

View FASAT B, 25395 on NASA - NSSDCA Website

View FASAT B, 25395 on Heavens-Above

View FASAT B, 25395 on Keep Track

View FASAT B, 25395 on Celestrak

View FASAT B, 25395 on Gunter's Space Page

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

FASAT B, 25395

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-04-03T22:11:27.541Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #43 in the year 1998 (1998-07-10 UTC)

FASAT B Visibility forecast

Co-orbital & Co-planar RSOs

Check out FASAT B, 25395 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago