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 spacecraft
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
Expand to show TLE details & historyLast TLE update: 18 hours ago
TLE from 18 hours ago
0 LEMUR-2-CELIJO-SB-PK
1 66781U 25276DW 26140.94903853 .00005362 00000-0 44031-3 0 9995
2 66781 97.5262 212.6195 0007780 208.6099 151.4699 14.99570034 18548Epoch: 2026-05-20T22:46Z
TLE epoch observation values (Epoch: 2026-05-20T22:46:36.928Z)
Latitude
-0.00003°
Longitude
-7.63562°
Altitude
576.033 km
Speed
7.57 km/s
True Right ascension
14h 10m 28s
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
02:09:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
570.624 km
Perigee altitude
559.82 km
Semi-major axis
6,943.359 km
Eccentricity
0.00078
Inclination
97.5262°
RAAN
212.6195°
Arg. of periapsis
208.6099°
True anomaly
151.51244°
Mean anomaly
151.4699°
Eccentric anomaly
151.49118°
Mean motion
3.75136 °/min
Orbital period
95.97 mins
BSTAR
0.00044031
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-05-21 18:34:02.083Z | 329.832° NNW | 2026-05-21 18:36:02.083Z | 293.519° NW | 19.445° | 2026-05-21 18:39:02.083Z | 243.806° WSW |
| 6 mins | 2026-05-22 05:20:02.083Z | 202.203° SSW | 2026-05-22 05:23:02.083Z | 272.974° WNW | 30.323° | 2026-05-22 05:26:02.083Z | 327.371° NNW |
| 5 mins | 2026-05-22 17:00:02.083Z | 44.727° NE | 2026-05-22 17:02:02.083Z | 83.415° E | 25.542° | 2026-05-22 17:05:02.083Z | 149.258° SSE |
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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