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MTG-S1, 64723

Orbit data source: Space-Track

MTG-S1, 64723 is a payload satellite owned by EUMETSAT (US) in GEO that was launched on Tue, 01 Jul 2025 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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.

Not visible in the next 10 days

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Iframe URL

https://www.satcat.com/sats-embedded/64723?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

64723, 2025-143A

Orbit

GEO

Country

Related business

European Meteorological Satellite Organization (DE)

Manufacturer

Thales Alenia

Mission

Operational Civil Weather

Bus & Motor

MTG, S400 X2

Mass

3,800 kg wet, ~2,000 kg dry

Launch date (UTC)

2025-07-01 (1 year ago)

Launch vehicle

FALCON 9

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 5.0 m

Radar Cross Section

19.366 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 11 hours ago

TLE from 11 hours ago

0 MTG-S1
1 64723U 25143A   26171.39155049 -.00000005  00000-0  00000+0 0  9995
2 64723   0.6001 339.7327 0000829 294.1194 133.2187  1.00399694  3452

Epoch: 2026-06-20T09:23Z

TLE epoch observation values (Epoch: 2026-06-20T09:23:49.962Z)

Latitude

0.5685°

Longitude

-2.47769°

Altitude

35,752.597 km

Speed

3.076 km/s

True Right ascension

03h 08m 20s

True Declination

0° 34' 05"

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

07:21:48

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,755.339 km

Perigee altitude

35,748.354 km

Semi-major axis

42,129.984 km

Eccentricity

0.00008

Inclination

0.6001°

RAAN

339.7327°

Arg. of periapsis

294.1194°

True anomaly

133.22562°

Mean anomaly

133.2187°

Eccentric anomaly

133.22216°

Mean motion

0.25099 °/min

Orbital period

1,434.32 mins

BSTAR

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Other satellites on launch #143 in the year 2025 (2025-07-01 UTC)

No other RSOs were in this launch

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MTG-S1 Visibility

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MTG-S1 is likely not visible in the next few days.

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64723 neighbors

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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 MTG-S1, 64723 on other resources

View MTG-S1, 64723 on NASA - NSSDCA Website

View MTG-S1, 64723 on Heavens-Above

View MTG-S1, 64723 on Keep Track

View MTG-S1, 64723 on Celestrak

View MTG-S1, 64723 on Gunter's Space Page

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

MTG-S1, 64723

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-06-20T09:23:49.962Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #143 in the year 2025 (2025-07-01 UTC)

MTG-S1 Visibility

64723 neighbors

Co-orbital & Co-planar RSOs

Check out MTG-S1, 64723 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 11 hours ago