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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43811 intel report (Beta)
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Identifier
Orbit
Country
KR / SKORRelated business
Manufacturer
SatRec Initiative
Mission
Operational Civil Ast/Tech
Bus & Motor
NEXTSAT, Unknown motor
Mass
~100 kg wet, ~100 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
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 & historyLast TLE update: 1 week ago
TLE from 1 week ago
0 NEXTSAT-1
1 43811U 18099BF 26155.12589030 .00003861 00000-0 25069-3 0 9994
2 43811 97.4070 198.3000 0012824 29.1890 331.0053 15.08553939409919Epoch: 2026-06-04T03:01Z
TLE epoch observation values (Epoch: 2026-06-04T03:01:16.921Z)
Latitude
-0.00005°
Longitude
-99.59513°
Altitude
535.933 km
Speed
7.599 km/s
True Right ascension
13h 13m 12s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
03:03:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
546.468 km
Perigee altitude
528.73 km
Semi-major axis
6,915.736 km
Eccentricity
0.00128
Inclination
97.407°
RAAN
198.3°
Arg. of periapsis
29.189°
True anomaly
330.93397°
Mean anomaly
331.0053°
Eccentric anomaly
330.96964°
Mean motion
3.77386 °/min
Orbital period
95.39 mins
BSTAR
0.00025069
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Other satellites on launch #99 in the year 2018 (2018-12-03 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-12 02:12:57.929Z | 100.662° ESE | 2026-06-12 02:13:57.929Z | 76.85° E | 23.087° | 2026-06-12 02:16:57.929Z | 18.047° NNE |
| 4 mins | 2026-06-12 03:46:57.929Z | 230.601° WSW | 2026-06-12 03:48:57.929Z | 270.997° WNW | 19.148° | 2026-06-12 03:50:57.929Z | 307.357° NW |
| 6 mins | 2026-06-12 15:21:57.929Z | 35.175° NE | 2026-06-12 15:23:57.929Z | 84.146° E | 34.574° | 2026-06-12 15:27:57.929Z | 172.153° S |
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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