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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: 12 hours ago

TLE from 12 hours ago

0 ISAT
1 43879U 18111D   26050.32293514  .00049041  00000-0  91065-3 0  9997
2 43879  97.5907 338.1100 0007192  39.9816 320.1963 15.48755121392839

Epoch: 2026-02-19T07:45Z

TLE epoch observation values (Epoch: 2026-02-19T07:45:01.596Z)

Latitude

0.00005°

Longitude

72.57746°

Altitude

419.735 km

Speed

7.661 km/s

True Right ascension

22h 32m 26s

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

23:01:20

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

422.19 km

Perigee altitude

412.415 km

Semi-major axis

6,795.439 km

Eccentricity

0.00072

Inclination

97.5907°

RAAN

338.11°

Arg. of periapsis

39.9816°

True anomaly

320.14351°

Mean anomaly

320.1963°

Eccentric anomaly

320.16991°

Mean motion

3.87451 °/min

Orbital period

92.91 mins

BSTAR

0.00091065

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

FLOCK 3K 10, 43905 (Decayed)

FLOCK 3K 7, 43902 (Decayed)

FLOCK 3K 11, 43904 (Decayed)

ZACUBE-2, 43907 (Decayed)

FLOCK 3K 8, 43901 (Decayed)

FLOCK 3K 5, 43899 (Decayed)

FLOCK 3K 4, 43893 (Decayed)

LEMUR 2 CHRISTINAHOLT, 43882 (Decayed)

OBJECT AA, 43900

OBJECT Y, 43898 (Decayed)

LEMUR 2 TINYKEV, 43883 (Decayed)

GRUS-1A, 43890

LEMUR 2 REMY-COLTON, 43884 (Decayed)

FLOCK 3K 1, 43894 (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.
5 mins	2026-02-20 07:34:41.687Z	37.933° NE	2026-02-20 07:36:41.687Z	92.998° ESE	30.083°	2026-02-20 07:39:41.687Z	166.674° S
5 mins	2026-02-20 19:32:41.687Z	198.154° SSW	2026-02-20 19:34:41.687Z	248.27° W	29.833°	2026-02-20 19:37:41.687Z	328.419° 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 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: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-02-19T07:45:01.596Z)

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: 12 hours ago