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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Edit Public Description
Identifier
Orbit
Country
Unknown / 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: 22 hours ago
TLE from 22 hours ago
0 NEXTSAT-1
1 43811U 18099BF 25339.10917503 .00008030 00000-0 53471-3 0 9996
2 43811 97.4359 23.4784 0010831 284.5588 75.4439 15.07325016382631Epoch: 2025-12-05T02:37Z
TLE epoch observation values (Epoch: 2025-12-05T02:37:12.722Z)
Latitude
0.00001°
Longitude
-89.9806°
Altitude
545.573 km
Speed
7.59 km/s
True Right ascension
01h 33m 54s
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
22:14:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.857 km
Perigee altitude
533.867 km
Semi-major axis
6,919.499 km
Eccentricity
0.00108
Inclination
97.4359°
RAAN
23.4784°
Arg. of periapsis
284.5588°
True anomaly
75.56407°
Mean anomaly
75.4439°
Eccentric anomaly
75.50398°
Mean motion
3.77078 °/min
Orbital period
95.47 mins
BSTAR
0.00053471
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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 | 2025-12-06 02:39:12.599Z | 135.741° SSE | 2025-12-06 02:42:12.599Z | 71.843° E | 30.871° | 2025-12-06 02:45:12.599Z | 9.132° NNE |
| 6 mins | 2025-12-06 15:50:12.599Z | 19.999° NNE | 2025-12-06 15:53:12.599Z | 118.208° SE | 42.666° | 2025-12-06 15:56:12.599Z | 182.966° SSW |
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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