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KSF3-B, 55019

Orbit data source: Space-Track

KSF3-B, 55019 is a payload satellite owned by Kleos Space (LU) in LEO that was launched on Tue, 03 Jan 2023 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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.

Not visible in the next 10 days

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/55019?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/55019?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

55019, 2023-001L

Orbit

LEO

Country

Unknown / LUXE

Related business

Kleos Space (LU)

Manufacturer

ISIS BV

Mission

Operational Commercial Sigint

Bus & Motor

CUBESAT 6U, Unknown motor

Mass

~10 kg wet, ~10 kg dry

Launch date (UTC)

2023-01-03 (3 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.1 m

Radar Cross Section

0.080 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 16 hours ago

TLE from 16 hours ago

0 KSF3-B
1 55019U 23001L   25340.69660748  .04672973  24059-5  15832-2 0  9990
2 55019  97.3262  58.9763 0008987 296.6951  63.3421 16.25536734163820

Epoch: 2025-12-06T16:43Z

TLE epoch observation values (Epoch: 2025-12-06T16:43:06.886Z)

Latitude

0.00005°

Longitude

92.47697°

Altitude

205.145 km

Speed

7.785 km/s

True Right ascension

03h 55m 54s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

06:26:47

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

207.298 km

Perigee altitude

195.472 km

Semi-major axis

6,579.522 km

Eccentricity

0.0009

Inclination

97.3262°

RAAN

58.9763°

Arg. of periapsis

296.6951°

True anomaly

63.43418°

Mean anomaly

63.3421°

Eccentric anomaly

63.38814°

Mean motion

4.06679 °/min

Orbital period

88.52 mins

BSTAR

0.0015832

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Computing Atmospheric mass density...

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Other satellites on launch #1 in the year 2023 (2023-01-03 UTC)

FLOCK 4Y 32, 55021 (Decayed)

YAM-5, 55076

HUYGENS, 55093

FLOCK 4Y 17, 55031 (Decayed)

FLOCK 4Y 4, 55055 (Decayed)

FLOCK 4Y 16, 55040 (Decayed)

SPACEBEE-162, 55095 (Decayed)

UMBRA-05, 55036

BRO-8, 55011

SPACEBEE-167, 55087 (Decayed)

ASTROCAST-0401, 55110

STERNULA-1, 55044 (Decayed)

NSL-2, 55067 (Decayed)

LEMUR 2 FUENTETAJA-01, 55088 (Decayed)

SKYKRAFT-1D, 55052 (Decayed)

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

KSF3-B Visibility

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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.
KSF3-B is likely not visible in the next few days.

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 KSF3-B, 55019 on other resources

View KSF3-B, 55019 on NASA - NSSDCA Website

View KSF3-B, 55019 on Heavens-Above

View KSF3-B, 55019 on Keep Track

View KSF3-B, 55019 on Celestrak

View KSF3-B, 55019 on Gunter's Space Page

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

KSF3-B, 55019

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2025-12-06T16:43:06.886Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #1 in the year 2023 (2023-01-03 UTC)

KSF3-B Visibility

Co-orbital & Co-planar RSOs

Check out KSF3-B, 55019 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 16 hours ago