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: 2 days ago
TLE from 2 days ago
0 NEXTSAT-1
1 43811U 18099BF 26171.37638027 .00001978 00000-0 13014-3 0 9994
2 43811 97.4066 213.9812 0011099 333.3861 26.6797 15.08639686412369Epoch: 2026-06-20T09:01Z
TLE epoch observation values (Epoch: 2026-06-20T09:01:59.255Z)
Latitude
-0°
Longitude
169.89241°
Altitude
536.57 km
Speed
7.598 km/s
True Right ascension
14h 15m 55s
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
21:40:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
545.012 km
Perigee altitude
529.661 km
Semi-major axis
6,915.474 km
Eccentricity
0.00111
Inclination
97.4066°
RAAN
213.9812°
Arg. of periapsis
333.3861°
True anomaly
26.73688°
Mean anomaly
26.6797°
Eccentric anomaly
26.70828°
Mean motion
3.77407 °/min
Orbital period
95.39 mins
BSTAR
0.00013014
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 15:42:42.126Z | 12.102° NNE | 2026-06-22 15:46:42.126Z | 189.217° SSW | 43.991° | 2026-06-22 15:49:42.126Z | 192.635° SSW |
| 5 mins | 2026-06-23 02:26:42.126Z | 131.084° SE | 2026-06-23 02:28:42.126Z | 81.924° E | 31.902° | 2026-06-23 02:31:42.126Z | 9.456° NNE |
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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