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NEXTSAT-1, 43811

Orbit data source: Space-Track

NEXTSAT-1, 43811 is a payload satellite owned by KAIST (KR) in SSO that was launched on Mon, 03 Dec 2018 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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/43811?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/43811?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

43811, 2018-099BF

Orbit

SSO

Country

Unknown / SKOR

Related business

KAIST Satellite Technology Research Center (SaTReC) (KR)

Manufacturer

SatRec Initiative

Mission

Operational Civil Ast/Tech

Bus & Motor

NEXTSAT, Unknown motor

Mass

~100 kg wet, ~100 kg dry

Launch date (UTC)

2018-12-03 (7 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + Cyl + 1 Pan, 1.0 m

Radar Cross Section

0.908 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 12 hours ago

TLE from 12 hours ago

0 NEXTSAT-1
1 43811U 18099BF  26034.57556343  .00002946  00000-0  19599-3 0  9994
2 43811  97.4271  81.9082 0014183  77.8671 282.4145 15.07820767391743

Epoch: 2026-02-03T13:48Z

TLE epoch observation values (Epoch: 2026-02-03T13:48:48.680Z)

Latitude

-0.00007°

Longitude

100.95085°

Altitude

543.836 km

Speed

7.591 km/s

True Right ascension

05h 27m 37s

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

03:33:24

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

549.655 km

Perigee altitude

530.032 km

Semi-major axis

6,917.981 km

Eccentricity

0.00142

Inclination

97.4271°

RAAN

81.9082°

Arg. of periapsis

77.8671°

True anomaly

282.25571°

Mean anomaly

282.4145°

Eccentric anomaly

282.33511°

Mean motion

3.77202 °/min

Orbital period

95.44 mins

BSTAR

0.00019599

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Other satellites on launch #99 in the year 2018 (2018-12-03 UTC)

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NEXTSAT-1 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.
6 mins	2026-02-04 02:40:55.258Z	144.185° SSE	2026-02-04 02:43:55.258Z	90.022° ESE	33.983°	2026-02-04 02:46:55.258Z	7.629° NNE
5 mins	2026-02-04 15:52:55.258Z	16.496° NNE	2026-02-04 15:54:55.258Z	138.276° SSE	44.605°	2026-02-04 15:57:55.258Z	189.63° SSW

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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 NEXTSAT-1, 43811 on other resources

View NEXTSAT-1, 43811 on NASA - NSSDCA Website

View NEXTSAT-1, 43811 on Heavens-Above

View NEXTSAT-1, 43811 on Keep Track

View NEXTSAT-1, 43811 on Celestrak

View NEXTSAT-1, 43811 on Gunter's Space Page

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

NEXTSAT-1, 43811

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: 2026-02-03T13:48:48.680Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #99 in the year 2018 (2018-12-03 UTC)

NEXTSAT-1 Visibility forecast

Co-orbital & Co-planar RSOs

Check out NEXTSAT-1, 43811 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 12 hours ago