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, Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 LEMUR 2 EMERSONROSE
1 63261U 25052BD 26121.02951616 .00004638 00000-0 39028-3 0 9990
2 63261 97.6940 14.9696 0001378 175.5231 184.6005 14.98726628 61670Epoch: 2026-05-01T00:42Z
TLE epoch observation values (Epoch: 2026-05-01T00:42:30.196Z)
Latitude
0.00006°
Longitude
145.37614°
Altitude
574.837 km
Speed
7.573 km/s
True Right ascension
00h 59m 52s
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
18:10:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
568.793 km
Perigee altitude
566.879 km
Semi-major axis
6,945.973 km
Eccentricity
0.00014
Inclination
97.694°
RAAN
14.9696°
Arg. of periapsis
175.5231°
True anomaly
184.59923°
Mean anomaly
184.6005°
Eccentric anomaly
184.59987°
Mean motion
3.74924 °/min
Orbital period
96.02 mins
BSTAR
0.00039028
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-05-01 16:51:31.930Z | 162.571° S | 2026-05-01 16:54:31.930Z | 118.601° SE | 44.383° | 2026-05-01 16:58:31.930Z | 349.986° N |
| 6 mins | 2026-05-02 06:07:31.930Z | 354.674° N | 2026-05-02 06:10:31.930Z | 259.961° W | 36.585° | 2026-05-02 06:13:31.930Z | 211.951° SW |
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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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