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: 19 hours ago
TLE from 19 hours ago
0 NEXTSAT-1
1 43811U 18099BF 26295.65135193 .00002589 00000-0 16684-3 0 9993
2 43811 97.3938 333.8500 0010410 256.3149 103.6922 15.09139394431102Epoch: 2026-10-22T15:37Z
TLE epoch observation values (Epoch: 2026-10-22T15:37:56.806Z)
Latitude
0.00001°
Longitude
68.28012°
Altitude
543.616 km
Speed
7.589 km/s
True Right ascension
22h 15m 23s
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
05:15:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
543.006 km
Perigee altitude
528.611 km
Semi-major axis
6,913.945 km
Eccentricity
0.00104
Inclination
97.3938°
RAAN
333.85°
Arg. of periapsis
256.3149°
True anomaly
103.80806°
Mean anomaly
103.6922°
Eccentric anomaly
103.75014°
Mean motion
3.77532 °/min
Orbital period
95.36 mins
BSTAR
0.00016684
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-10-23 16:04:44.740Z | 341.393° N | 2026-10-23 16:06:44.740Z | 290.426° WNW | 36.464° | 2026-10-23 16:09:44.740Z | 224.765° SW |
| 6 mins | 2026-10-24 02:46:44.740Z | 170.529° S | 2026-10-24 02:48:44.740Z | 186.875° SSW | 72.31° | 2026-10-24 02:52:44.740Z | 346.62° N |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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