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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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: 6 hours ago
TLE from 6 hours ago
0 LEMUR 2 SEJONG-2
1 64586U 25135BL 26120.29614727 .00004712 00000-0 42200-3 0 9999
2 64586 97.7629 235.6782 0005601 120.6410 239.5364 14.96287180 46783Epoch: 2026-04-30T07:06Z
TLE epoch observation values (Epoch: 2026-04-30T07:06:27.124Z)
Latitude
-0.00001°
Longitude
-89.17961°
Altitude
583.406 km
Speed
7.568 km/s
True Right ascension
15h 42m 42s
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
21:07:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
579.288 km
Perigee altitude
571.499 km
Semi-major axis
6,953.53 km
Eccentricity
0.00056
Inclination
97.7629°
RAAN
235.6782°
Arg. of periapsis
120.641°
True anomaly
239.4811°
Mean anomaly
239.5364°
Eccentric anomaly
239.50875°
Mean motion
3.74313 °/min
Orbital period
96.18 mins
BSTAR
0.000422
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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 | 2026-04-30 20:31:04.148Z | 14.125° NNE | 2026-04-30 20:34:04.148Z | 63.536° ENE | 44.819° | 2026-04-30 20:38:04.148Z | 191.642° SSW |
| 6 mins | 2026-05-01 07:19:04.148Z | 142.563° SSE | 2026-05-01 07:22:04.148Z | 68.347° E | 36.57° | 2026-05-01 07:25:04.148Z | 3.22° NNE |
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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