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: 17 hours ago
TLE from 17 hours ago
0 LEMUR-2-CELIJO-SB-PK
1 66781U 25276DV 26238.46414171 .00005444 00000-0 43434-3 0 9997
2 66781 97.5164 306.9155 0002949 316.0746 44.0243 15.00694494 33164Epoch: 2026-08-26T11:08Z
TLE epoch observation values (Epoch: 2026-08-26T11:08:21.843Z)
Latitude
-0.0001°
Longitude
165.10773°
Altitude
566.342 km
Speed
7.579 km/s
True Right ascension
20h 27m 39s
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
19:05:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
563.796 km
Perigee altitude
559.703 km
Semi-major axis
6,939.887 km
Eccentricity
0.00029
Inclination
97.5164°
RAAN
306.9155°
Arg. of periapsis
316.0746°
True anomaly
44.04779°
Mean anomaly
44.0243°
Eccentric anomaly
44.03604°
Mean motion
3.75418 °/min
Orbital period
95.89 mins
BSTAR
0.00043434
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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 | 2026-08-27 04:51:21.067Z | 176.825° S | 2026-08-27 04:55:21.067Z | 279.861° WNW | 41.902° | 2026-08-27 04:58:21.067Z | 339.865° N |
| 5 mins | 2026-08-27 18:07:21.067Z | 338.211° N | 2026-08-27 18:09:21.067Z | 290.012° WNW | 28.845° | 2026-08-27 18:12:21.067Z | 228.651° WSW |
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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