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ISAT, 43879

Orbit data source: Space-Track

ISAT, 43879 is a payload satellite owned by iSky (DE) in SSO that was launched on Thu, 27 Dec 2018 UTC via a SOYUZ-2-1A launch vehicle from the Vostochny Cosmodrome (VOSTO). 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/43879?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/43879?theme=dark&initialShowStats=false

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Identifier

43879, 2018-111D

Orbit

SSO

Country

DE / GER

Related business

iSky Technology (CN)

Manufacturer

German Orb Sys

Mission

Operational Commercial Communications

Bus & Motor

CUBESAT 3U, Unknown motor

Mass

3 kg wet, 3 kg dry

Launch date (UTC)

2018-12-27 (7 years ago)

Launch vehicle

SOYUZ-2-1A

Launch site

Vostochny Cosmodrome (VOSTO)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 1 Ant, 0.5 m

Radar Cross Section

0.061 m², Small (<0.1 m²)

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

TLE from 16 hours ago

0 ISAT
1 43879U 18111D   25352.70686895  .00033213  00000-0  77227-3 0  9999
2 43879  97.5915 272.6454 0003884 215.7200 144.3787 15.42252256383168

Epoch: 2025-12-18T16:57Z

TLE epoch observation values (Epoch: 2025-12-18T16:57:53.477Z)

Latitude

-0.00004°

Longitude

-69.38593°

Altitude

444.732 km

Speed

7.644 km/s

True Right ascension

18h 10m 34s

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

07:35:27

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

439.055 km

Perigee altitude

433.761 km

Semi-major axis

6,814.545 km

Eccentricity

0.00039

Inclination

97.5915°

RAAN

272.6454°

Arg. of periapsis

215.72°

True anomaly

144.40461°

Mean anomaly

144.3787°

Eccentric anomaly

144.39166°

Mean motion

3.85823 °/min

Orbital period

93.31 mins

BSTAR

0.00077227

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Other satellites on launch #111 in the year 2018 (2018-12-27 UTC)

UWE-4, 43880

FLOCK 3K 10, 43905 (Decayed)

FLOCK 3K 2, 43895 (Decayed)

FLOCK 3K 7, 43902 (Decayed)

GRUS-1A, 43890

LEMUR 2 ZO, 43886 (Decayed)

OBJECT X, 43897

OBJECT AA, 43900

FLOCK 3K 8, 43901 (Decayed)

LEMUR 2 REMY-COLTON, 43884 (Decayed)

FLOCK 3K 11, 43904 (Decayed)

LEMUR 2 CHRISTINAHOLT, 43882 (Decayed)

FLOCK 3K 5, 43899 (Decayed)

FLOCK 3K 4, 43893 (Decayed)

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ISAT 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.
4 mins	2025-12-19 18:02:06.377Z	105.645° ESE	2025-12-19 18:04:06.377Z	64.953° ENE	16.255°	2025-12-19 18:06:06.377Z	27.401° NE

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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 ISAT, 43879 on other resources

View ISAT, 43879 on NASA - NSSDCA Website

View ISAT, 43879 on Heavens-Above

View ISAT, 43879 on Keep Track

View ISAT, 43879 on Celestrak

View ISAT, 43879 on Gunter's Space Page

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

ISAT, 43879

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: 2025-12-18T16:57:53.477Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #111 in the year 2018 (2018-12-27 UTC)

ISAT Visibility forecast

Co-orbital & Co-planar RSOs

Check out ISAT, 43879 on other resources

Documentation

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