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M-SEL, 63231

Orbit data source: Space-Track

M-SEL, 63231 is an American payload satellite 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/63231?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/63231?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

63231, 2025-052X

Orbit

SSO

Country

Related business

MITRE Corporation (US)

Manufacturer

Astro Digital

Mission

Operational Commercial Technology

Bus & Motor

CORVUS-MICRO, Unknown motor

Mass

32 kg wet, 32 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, 0.5 m

Radar Cross Section

0.400 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 14 hours ago

TLE from 14 hours ago

0 M-SEL
1 63231U 25052X   26127.27873610  .00005984  00000-0  23893-3 0  9995
2 63231  97.3959  21.2730 0003192 309.3461  50.7494 15.25521990 63686

Epoch: 2026-05-07T06:41Z

TLE epoch observation values (Epoch: 2026-05-07T06:41:22.799Z)

Latitude

0.00001°

Longitude

55.80084°

Altitude

490.93 km

Speed

7.62 km/s

True Right ascension

01h 25m 05s

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

04:20:15

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

488.368 km

Perigee altitude

483.985 km

Semi-major axis

6,864.313 km

Eccentricity

0.00032

Inclination

97.3959°

RAAN

21.273°

Arg. of periapsis

309.3461°

True anomaly

50.77773°

Mean anomaly

50.7494°

Eccentric anomaly

50.76357°

Mean motion

3.81634 °/min

Orbital period

94.33 mins

BSTAR

0.00023893

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

OBJECT F, 63215

OBJECT BC, 63260

LEMUR 2 DELOITTE-1, 63259

UNICORN-2P, 63981 (Decayed)

LEMUR 2 MARACHE-FRAN, 63262

UNICORN-2Q, 63491 (Decayed)

YAM-8, 63254

OBJECT B, 63211

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M-SEL 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	2026-05-08 05:17:59.297Z	36.041° NE	2026-05-08 05:20:59.297Z	111.894° ESE	28.972°	2026-05-08 05:22:59.297Z	156.806° SSE
4 mins	2026-05-08 17:27:59.297Z	213.094° SW	2026-05-08 17:29:59.297Z	275.247° WNW	28.897°	2026-05-08 17:31:59.297Z	320.764° NNW

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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 M-SEL, 63231 on other resources

View M-SEL, 63231 on NASA - NSSDCA Website

View M-SEL, 63231 on Heavens-Above

View M-SEL, 63231 on Keep Track

View M-SEL, 63231 on Celestrak

View M-SEL, 63231 on Gunter's Space Page

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

M-SEL, 63231

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2026-05-07T06:41:22.799Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

M-SEL Visibility forecast

Co-orbital & Co-planar RSOs

Check out M-SEL, 63231 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 14 hours ago