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 day ago
TLE from 1 day ago
0 NEXTSAT-1
1 43811U 18099BF 26126.07138759 .00003441 00000-0 22472-3 0 9993
2 43811 97.4098 170.2627 0013757 118.5469 241.7147 15.08399797405539Epoch: 2026-05-06T01:42Z
TLE epoch observation values (Epoch: 2026-05-06T01:42:47.887Z)
Latitude
0.00002°
Longitude
-79.37397°
Altitude
548.685 km
Speed
7.585 km/s
True Right ascension
11h 21m 03s
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
11:16:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
547.585 km
Perigee altitude
528.556 km
Semi-major axis
6,916.208 km
Eccentricity
0.00138
Inclination
97.4098°
RAAN
170.2627°
Arg. of periapsis
118.5469°
True anomaly
241.57599°
Mean anomaly
241.7147°
Eccentric anomaly
241.64533°
Mean motion
3.77347 °/min
Orbital period
95.4 mins
BSTAR
0.00022472
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-05-07 03:18:33.845Z | 188.656° SSW | 2026-05-07 03:21:33.845Z | 254.649° W | 36.315° | 2026-05-07 03:24:33.845Z | 331.583° NNW |
| 4 mins | 2026-05-07 14:55:33.845Z | 61.463° ENE | 2026-05-07 14:57:33.845Z | 100.798° ESE | 18.033° | 2026-05-07 14:59:33.845Z | 135.537° SSE |
| 4 mins | 2026-05-07 16:30:33.845Z | 320.99° NNW | 2026-05-07 16:31:33.845Z | 296.243° NW | 24.198° | 2026-05-07 16:34:33.845Z | 235.383° WSW |
| 4 mins | 2026-05-08 03:12:33.845Z | 188.018° SSW | 2026-05-08 03:14:33.845Z | 255.676° W | 40.588° | 2026-05-08 03:16:33.845Z | 330.491° NNW |
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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