STARLINK-11634, 63673

Orbit data source: Space-Track

STARLINK-11634, 63673 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 28 Apr 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.

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Iframe URL

https://www.satcat.com/sats-embedded/63673?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

63673, 2025-085K

Orbit

LEO

Last TLE update

9 hours ago

Origin

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK V2M, Unknown motor

Mass

730 kg wet, ~700 kg dry

Launch date (UTC)

2025-04-28 (3 months ago)

Launch vehicle

FALCON 9

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 14.5 m

Radar Cross Section

36.964 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 9 hours ago

0 STARLINK-11634
1 63673U 25085K   25197.48580175  .00125726  00000-0  96812-3 0  9999
2 63673  42.9988 262.1274 0003913 283.6034  76.4398 15.70844097 13098

Epoch: 2025-07-16T11:39Z

TLE epoch observation values (Epoch: 2025-07-16T11:39:33.271Z)

Latitude

0.00002°

Longitude

152.67351°

Altitude

355.638 km

Speed

7.698 km/s

True Right ascension

17h 28m 30s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-25.78697°

Longitude

119.40274°

Altitude

360.47 km

Speed

7.695 km/s

Apparent Right ascension

17h 52m 05s

Apparent Declination

-42° 00' 30"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

09:18:08

Azimuth

110.423° ESE

Elevation

-51.639°

Doppler factor

Orbital elements

Apogee altitude

361.101 km

Perigee altitude

355.829 km

Semi-major axis

6,736.602 km

Eccentricity

0.00039

Inclination

42.9988°

RAAN

262.1274°

Arg. of periapsis

283.6034°

True anomaly

Unknown

Mean anomaly

76.4398°

Eccentric anomaly

Unknown

Mean motion

3.92538 °/min

Orbital period

91.71 mins

BSTAR

0.00096812

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Other satellites on launch #85 in the year 2025 (2025-04-28 UTC)

STARLINK-11651, 63664

STARLINK-11672, 63665

STARLINK-11664, 63666

STARLINK-11666, 63667

STARLINK-11663, 63668

STARLINK-11595, 63669

STARLINK-11599, 63670

STARLINK-11603, 63671

STARLINK-11644, 63672

STARLINK-11656, 63674

STARLINK-11655, 63675

STARLINK-11661, 63676

STARLINK-33816, 63677

STARLINK-33861, 63678

STARLINK-11634 Visibility forecast

Observer location: undefined°, undefined°

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.
4 mins	2025-07-17 07:42:52.136Z	215.313° SW	2025-07-17 07:44:52.136Z	159.375° S	29.942°	2025-07-17 07:46:52.136Z	92.493° ESE
4 mins	2025-07-17 09:19:52.136Z	282.741° WNW	2025-07-17 09:20:52.136Z	331.46° NNW	39.453°	2025-07-17 09:23:52.136Z	68.614° E
4 mins	2025-07-17 10:55:52.136Z	302.579° NW	2025-07-17 10:56:52.136Z	332.902° NNW	33.31°	2025-07-17 10:59:52.136Z	79.903° E
4 mins	2025-07-17 12:31:52.136Z	277.512° WNW	2025-07-17 12:33:52.136Z	165.305° S	39.187°	2025-07-17 12:35:52.136Z	124.012° SE

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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Authenticating...

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Check out STARLINK-11634, 63673 on other resources

View STARLINK-11634, 63673 on NASA - NSSDCA Website

View STARLINK-11634, 63673 on Heavens-Above

View STARLINK-11634, 63673 on Keep Track

View STARLINK-11634, 63673 on Celestrak

View STARLINK-11634, 63673 on Gunter's Space Page

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