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
Unknown shape, 14.5 m
Radar Cross Section
RCS unknown
Expand to show TLE details & historyLast TLE update: 17 hours ago
TLE from 17 hours ago
0 LEMUR-2-CELIJO-SB-PK
1 66781U 25276DW 26092.16319052 .00009820 00000-0 81290-3 0 9998
2 66781 97.5316 165.4750 0011043 42.9475 317.2608 14.99030108 11238Epoch: 2026-04-02T03:54Z
TLE epoch observation values (Epoch: 2026-04-02T03:54:59.660Z)
Latitude
-0.00011°
Longitude
-83.78919°
Altitude
567.317 km
Speed
7.58 km/s
True Right ascension
11h 01m 54s
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
03:00:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
574.56 km
Perigee altitude
559.222 km
Semi-major axis
6,945.028 km
Eccentricity
0.0011
Inclination
97.5316°
RAAN
165.475°
Arg. of periapsis
42.9475°
True anomaly
317.17483°
Mean anomaly
317.2608°
Eccentric anomaly
317.21783°
Mean motion
3.75001 °/min
Orbital period
96 mins
BSTAR
0.0008129
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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 | 2026-04-03 04:05:39.715Z | 117.84° SE | 2026-04-03 04:08:39.715Z | 58.477° ENE | 22.256° | 2026-04-03 04:10:39.715Z | 22.681° NE |
| 4 mins | 2026-04-03 05:41:39.715Z | 231.213° WSW | 2026-04-03 05:43:39.715Z | 274.149° WNW | 21.075° | 2026-04-03 05:45:39.715Z | 309.984° NW |
| 6 mins | 2026-04-03 17:20:39.715Z | 32.432° NE | 2026-04-03 17:23:39.715Z | 121.46° SE | 35.143° | 2026-04-03 17:26:39.715Z | 171.962° S |
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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