LEMUR-2-CELIJO-SB-PK, 66781
Orbit data source: Space-Track
LEMUR-2-CELIJO-SB-PK, 66781 is an American payload satellite in SSO that was launched on Fri, 28 Nov 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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66781 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Spire/Glasgow
Mission
Operational Commercial Technology
Bus & Motor
CUBESAT 4U, Unknown motor
Mass
5 kg wet, 5 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 14.5 m
Radar Cross Section
0.035 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 LEMUR-2-CELIJO-SB-PK
1 66781U 25276DW 26192.71667674 .00003423 00000-0 27784-3 0 9997
2 66781 97.5201 262.6848 0007170 72.7067 287.4941 15.00264436 26301Epoch: 2026-07-11T17:12Z
TLE epoch observation values (Epoch: 2026-07-11T17:12:00.870Z)
Latitude
-0.00002°
Longitude
75.05528°
Altitude
567.647 km
Speed
7.578 km/s
True Right ascension
17h 30m 44s
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
18:21:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
568.054 km
Perigee altitude
558.1 km
Semi-major axis
6,941.214 km
Eccentricity
0.00072
Inclination
97.5201°
RAAN
262.6848°
Arg. of periapsis
72.7067°
True anomaly
287.41572°
Mean anomaly
287.4941°
Eccentric anomaly
287.45491°
Mean motion
3.7531 °/min
Orbital period
95.92 mins
BSTAR
0.00027784
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Other satellites on launch #276 in the year 2025 (2025-11-28 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-CELIJO-SB-PK 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 | 2026-07-12 17:46:05.391Z | 4.896° NNE | 2026-07-12 17:50:05.391Z | 251.245° W | 40.896° | 2026-07-12 17:53:05.391Z | 204.698° SW |
| 6 mins | 2026-07-13 04:33:05.391Z | 153.381° SSE | 2026-07-13 04:36:05.391Z | 49.603° ENE | 41.533° | 2026-07-13 04:39:05.391Z | 355.787° 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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