LEMUR 2 SEJONG-2, 64586
Orbit data source: Space-Track
LEMUR 2 SEJONG-2, 64586 is a payload satellite owned by Hancom InSpace (US) in SSO that was launched on Mon, 23 Jun 2025 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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64586 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
Spire/Glasgow
Mission
Operational Commercial Imaging
Bus & Motor
CUBESAT 6U, Unknown motor
Mass
11 kg wet, 11 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 0.4 m
Radar Cross Section
0.077 m², Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 3 hours ago
TLE from 3 hours ago
0 LEMUR 2 SEJONG-2
1 64586U 25135BL 25328.56931475 .00006129 00000-0 58027-3 0 9998
2 64586 97.7554 80.6039 0003731 294.0162 66.0667 14.93984114 23361Epoch: 2025-11-24T13:39Z
TLE epoch observation values (Epoch: 2025-11-24T13:39:48.794Z)
Latitude
-0.00004°
Longitude
171.8832°
Altitude
587.519 km
Speed
7.567 km/s
True Right ascension
05h 22m 24s
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
14:18:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
585.141 km
Perigee altitude
579.946 km
Semi-major axis
6,960.68 km
Eccentricity
0.00037
Inclination
97.7554°
RAAN
80.6039°
Arg. of periapsis
294.0162°
True anomaly
66.10579°
Mean anomaly
66.0667°
Eccentric anomaly
66.08624°
Mean motion
3.73737 °/min
Orbital period
96.32 mins
BSTAR
0.00058027
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Other satellites on launch #135 in the year 2025 (2025-06-23 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.LEMUR 2 SEJONG-2 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 | 2025-11-24 20:39:18.310Z | 6.795° NNE | 2025-11-24 20:43:18.310Z | 241.085° WSW | 41.985° | 2025-11-24 20:46:18.310Z | 202.247° SSW |
| 6 mins | 2025-11-25 07:29:18.310Z | 152.871° SSE | 2025-11-25 07:31:18.310Z | 107.521° ESE | 42.152° | 2025-11-25 07:35:18.310Z | 353.685° N |
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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