DECAYED

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KSF3-B, 55019 (Decayed)

Orbit data source: Space-Track

KSF3-B, 55019 was 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.

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<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

Decayed

Country

LU / LUXE

Related business

Kleos Space (LU)

Manufacturer

ISIS BV

Mission

Decayed 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: 3 months ago

TLE from 3 months ago

0 KSF3-B
1 55019U 23001L   25341.61621245  .12892631  24942-5  46037-3 0  9999
2 55019  97.3197  60.0279 0011713 286.9588  73.0429 16.43288850163977

Epoch: 2025-12-07T14:47Z

TLE epoch observation values (Epoch: 2025-12-07T14:47:20.755Z)

Latitude

-0.00006°

Longitude

121.56439°

Altitude

158.101 km

Speed

7.813 km/s

True Right ascension

04h 00m 06s

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

14:29:19

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

161.519 km

Perigee altitude

146.217 km

Semi-major axis

6,532.005 km

Eccentricity

0.00117

Inclination

97.3197°

RAAN

60.0279°

Arg. of periapsis

286.9588°

True anomaly

73.17134°

Mean anomaly

73.0429°

Eccentric anomaly

73.10711°

Mean motion

4.11125 °/min

Orbital period

87.56 mins

BSTAR

0.00046037

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

LEMUR 2 EMMACULATE, 55037 (Decayed)

YAM-5, 55076

SPACEBEE-162, 55095 (Decayed)

ASTROCAST-0401, 55110

FLOCK 4Y 33, 55042 (Decayed)

ION SCV-007, 55060

FLOCK 4Y 11, 55043 (Decayed)

FLOCK 4Y 28, 55033 (Decayed)

HUYGENS, 55093

ASTROCAST-0403, 55111

KSF3-A, 55086 (Decayed)

LEMUR 2 STEVEALBERS, 55017 (Decayed)

NSL-2, 55067 (Decayed)

FLOCK 4Y 12, 55065 (Decayed)

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KSF3-B Visibility

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This satellite is decayed.

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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Check out KSF3-B, 55019 (Decayed) on other resources

View KSF3-B, 55019 (Decayed) on Celestrak

View KSF3-B, 55019 (Decayed) 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 (Decayed)

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 3 months ago

TLE from 3 months ago

TLE epoch observation values (Epoch: 2025-12-07T14:47:20.755Z)

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 (Decayed) on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 3 months ago