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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 (2 years 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: 22 hours ago

TLE from 22 hours ago

0 M-SEL
1 63231U 25052X   26259.49715093  .00007360  00000-0  27710-3 0  9997
2 63231  97.3772 152.0463 0004746 164.5104 195.6281 15.27392781 83856

Epoch: 2026-09-16T11:55Z

TLE epoch observation values (Epoch: 2026-09-16T11:55:53.840Z)

Latitude

-0.00005°

Longitude

-22.37592°

Altitude

489.848 km

Speed

7.618 km/s

True Right ascension

10h 08m 11s

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

02:59:45

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

483.82 km

Perigee altitude

477.309 km

Semi-major axis

6,858.702 km

Eccentricity

0.00047

Inclination

97.3772°

RAAN

152.0463°

Arg. of periapsis

164.5104°

True anomaly

195.61346°

Mean anomaly

195.6281°

Eccentric anomaly

195.62078°

Mean motion

3.82103 °/min

Orbital period

94.22 mins

BSTAR

0.0002771

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

HYDRA-W, 63490 (Decayed)

ALMUNTHER, 63240

LIZZIESAT-3 (LS-3), 63233

OBJECT U, 63228

LEMUR 2 EMERSONROSE, 63261

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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	2026-09-17 16:22:46.373Z	122.627° SE	2026-09-17 16:24:46.373Z	78.89° E	27.641°	2026-09-17 16:27:46.373Z	14.7° NNE
5 mins	2026-09-18 05:23:46.373Z	44.346° NE	2026-09-18 05:25:46.373Z	109.273° ESE	37.148°	2026-09-18 05:28:46.373Z	167.427° S

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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: 22 hours ago

TLE from 22 hours ago

TLE epoch observation values (Epoch: 2026-09-16T11:55:53.840Z)

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: 22 hours ago