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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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<iframe src="https://www.satcat.com/sats-embedded/63261?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/63261?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

63261, 2025-052BD

Orbit

SSO

Country

Related business

Spire Global (US)

Manufacturer

Spire/Glasgow

Mission

Operational Commercial Com/MetRO

Bus & Motor

CUBESAT 6U, Unknown motor

Mass

10 kg wet, 10 kg dry

Launch date (UTC)

2025-03-15 (1 year ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.2 m

Radar Cross Section

0.080 m², Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 16 hours ago

TLE from 16 hours ago

0 LEMUR 2 EMERSONROSE
1 63261U 25052BD  26083.97169630  .00005112  00000-0  43326-3 0  9992
2 63261  97.6979 338.4003 0001361  42.9281 317.2047 14.98405323 56122

Epoch: 2026-03-24T23:19Z

TLE epoch observation values (Epoch: 2026-03-24T23:19:14.560Z)

Latitude

-0.00007°

Longitude

166.14795°

Altitude

574.181 km

Speed

7.574 km/s

True Right ascension

22h 33m 36s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

20:30:41

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

569.776 km

Perigee altitude

567.885 km

Semi-major axis

6,946.967 km

Eccentricity

0.00014

Inclination

97.6979°

RAAN

338.4003°

Arg. of periapsis

42.9281°

True anomaly

317.1941°

Mean anomaly

317.2047°

Eccentric anomaly

317.1994°

Mean motion

3.74844 °/min

Orbital period

96.04 mins

BSTAR

0.00043326

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Other satellites on launch #52 in the year 2025 (2025-03-15 UTC)

LEMUR 2 DELOITTE-1, 63259

LEMUR 2 MARACHE-FRAN, 63262

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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.

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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	2026-03-25 17:03:45.866Z	174.634° S	2026-03-25 17:07:45.866Z	270.629° WNW	43.041°	2026-03-25 17:10:45.866Z	340.676° N
6 mins	2026-03-26 06:20:45.866Z	343.578° N	2026-03-26 06:22:45.866Z	300.662° NW	29.717°	2026-03-26 06:26:45.866Z	222.309° SW

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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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Check out LEMUR 2 EMERSONROSE, 63261 on other resources

View LEMUR 2 EMERSONROSE, 63261 on NASA - NSSDCA Website

View LEMUR 2 EMERSONROSE, 63261 on Heavens-Above

View LEMUR 2 EMERSONROSE, 63261 on Keep Track

View LEMUR 2 EMERSONROSE, 63261 on Celestrak

View LEMUR 2 EMERSONROSE, 63261 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

LEMUR 2 EMERSONROSE, 63261

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2026-03-24T23:19:14.560Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #52 in the year 2025 (2025-03-15 UTC)

LEMUR 2 EMERSONROSE Visibility forecast

Co-orbital & Co-planar RSOs

Check out LEMUR 2 EMERSONROSE, 63261 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 16 hours ago