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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Edit Public Description
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, Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 18 hours ago
TLE from 18 hours ago
0 LEMUR 2 EMERSONROSE
1 63261U 25052BD 25334.24656644 .00009500 00000-0 84032-3 0 9990
2 63261 97.7092 225.2288 0002600 47.1270 313.0170 14.96510485 38955Epoch: 2025-11-30T05:55Z
TLE epoch observation values (Epoch: 2025-11-30T05:55:03.340Z)
Latitude
0.00003°
Longitude
67.10171°
Altitude
579.504 km
Speed
7.571 km/s
True Right ascension
15h 00m 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
21:18:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
576.506 km
Perigee altitude
572.891 km
Semi-major axis
6,952.836 km
Eccentricity
0.00026
Inclination
97.7092°
RAAN
225.2288°
Arg. of periapsis
47.127°
True anomaly
312.99521°
Mean anomaly
313.017°
Eccentric anomaly
313.00611°
Mean motion
3.74369 °/min
Orbital period
96.16 mins
BSTAR
0.00084032
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-01 04:57:37.802Z | 43.156° NE | 2025-12-01 05:00:37.802Z | 93.11° ESE | 21.486° | 2025-12-01 05:03:37.802Z | 145.463° SSE |
| 5 mins | 2025-12-01 06:33:37.802Z | 335.85° NNW | 2025-12-01 06:35:37.802Z | 297.876° NW | 23.31° | 2025-12-01 06:38:37.802Z | 240.278° WSW |
| 6 mins | 2025-12-01 17:21:37.802Z | 201.801° SSW | 2025-12-01 17:23:37.802Z | 254.543° W | 34.112° | 2025-12-01 17:27:37.802Z | 333.502° NNW |
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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