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: 9 hours ago
TLE from 9 hours ago
0 LEMUR 2 SEJONG-2
1 64586U 25135BL 26062.57261508 .00008178 00000-0 74130-3 0 9997
2 64586 97.7555 178.4820 0003704 326.3086 33.7899 14.95597147 38159Epoch: 2026-03-03T13:44Z
TLE epoch observation values (Epoch: 2026-03-03T13:44:33.942Z)
Latitude
-0.00004°
Longitude
170.99084°
Altitude
581.425 km
Speed
7.571 km/s
True Right ascension
11h 53m 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
02:02:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
580.11 km
Perigee altitude
574.957 km
Semi-major axis
6,955.67 km
Eccentricity
0.00037
Inclination
97.7555°
RAAN
178.482°
Arg. of periapsis
326.3086°
True anomaly
33.81351°
Mean anomaly
33.7899°
Eccentric anomaly
33.80171°
Mean motion
3.7414 °/min
Orbital period
96.22 mins
BSTAR
0.0007413
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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 | 2026-03-04 07:32:06.101Z | 158.295° S | 2026-03-04 07:35:06.101Z | 87.781° E | 43.665° | 2026-03-04 07:39:06.101Z | 351.966° N |
| 6 mins | 2026-03-04 20:50:06.101Z | 353.326° N | 2026-03-04 20:52:06.101Z | 291.183° WNW | 39.548° | 2026-03-04 20:56:06.101Z | 208.236° SW |
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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