LEMUR 2 EMERSONROSE, 63261
Orbit data source: Space-Track
LEMUR 2 EMERSONROSE, 63261 is a payload satellite owned by Spire (US) in SSO that was launched on Sat, 15 Mar 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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63261 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Spire/Glasgow
Mission
Operational Commercial Com/MetRO
Bus & Motor
CUBESAT 6U, Unknown motor
Mass
10 kg wet, 10 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.2 m
Radar Cross Section
0.080 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 LEMUR 2 EMERSONROSE
1 63261U 25052BD 26259.45462398 .00004297 00000-0 35336-3 0 9992
2 63261 97.6763 151.5220 0005453 93.6425 266.5422 14.99652487 82417Epoch: 2026-09-16T10:54Z
TLE epoch observation values (Epoch: 2026-09-16T10:54:39.511Z)
Latitude
-0.00005°
Longitude
-7.5486°
Altitude
571.255 km
Speed
7.575 km/s
True Right ascension
10h 06m 05s
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
05:01:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
568.76 km
Perigee altitude
561.188 km
Semi-major axis
6,943.111 km
Eccentricity
0.00055
Inclination
97.6763°
RAAN
151.522°
Arg. of periapsis
93.6425°
True anomaly
266.47983°
Mean anomaly
266.5422°
Eccentric anomaly
266.51101°
Mean motion
3.75156 °/min
Orbital period
95.96 mins
BSTAR
0.00035336
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Other satellites on launch #52 in the year 2025 (2025-03-15 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 EMERSONROSE 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 | 2026-09-17 15:53:20.630Z | 105.934° ESE | 2026-09-17 15:56:20.630Z | 57.503° ENE | 16.477° | 2026-09-17 15:58:20.630Z | 27.554° NE |
| 6 mins | 2026-09-17 17:28:20.630Z | 206.268° SW | 2026-09-17 17:30:20.630Z | 251.81° W | 35.81° | 2026-09-17 17:34:20.630Z | 329.997° NNW |
| 5 mins | 2026-09-18 05:08:20.630Z | 51.277° ENE | 2026-09-18 05:10:20.630Z | 95.97° ESE | 28.662° | 2026-09-18 05:13:20.630Z | 152.985° SSE |
| 4 mins | 2026-09-18 06:43:20.630Z | 327.583° NNW | 2026-09-18 06:45:20.630Z | 290.067° WNW | 20.713° | 2026-09-18 06:47:20.630Z | 253.76° W |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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