STARLINK-3635, 51981

Orbit data source: Space-Track

STARLINK-3635, 51981 is a payload satellite in LEO that was launched on Wed, 09 Mar 2022 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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https://www.satcat.com/sats-embedded/51981?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

51981, 2022-025AB

Orbit

LEO

Last TLE update

17 hours ago

Origin

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

297 kg wet, ~275 kg dry

Launch date (UTC)

2022-03-09 (3 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 1 Pan, 8.86 m

Radar Cross Section

13.562 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 17 hours ago

0 STARLINK-3635
1 51981U 22025AB  25152.88989829  .00001327  00000-0  10144-3 0  9997
2 51981  53.2172 219.6795 0001166  91.0623 269.0503 15.08845440178662

Epoch: 2025-06-01T21:21Z

TLE epoch observation values (Epoch: 2025-06-01T21:21:27.212Z)

Latitude

0.00001°

Longitude

8.70668°

Altitude

540.638 km

Speed

7.593 km/s

True Right ascension

14h 38m 43s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-38.04502°

Longitude

-30.10483°

Altitude

552.74 km

Speed

7.585 km/s

Apparent Right ascension

12h 12m 19s

Apparent Declination

-38° 47' 05"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

00:22:13

Azimuth

60.162° ENE

Elevation

-87.779°

Doppler factor

Orbital elements

Apogee altitude

540.778 km

Perigee altitude

539.165 km

Semi-major axis

6,918.109 km

Eccentricity

0.00012

Inclination

53.2172°

RAAN

219.6795°

Arg. of periapsis

91.0623°

True anomaly

Unknown

Mean anomaly

269.0503°

Eccentric anomaly

Unknown

Mean motion

3.77192 °/min

Orbital period

95.44 mins

BSTAR

0.00010144

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Other satellites on launch #25 in the year 2022 (2022-03-09 UTC)

STARLINK-3700, 51956

STARLINK-3649, 51980

STARLINK-3650, 51982 (Decayed)

STARLINK-3635 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.
5 mins	2025-06-02 15:24:24.954Z	274.692° WNW	2025-06-02 15:27:24.954Z	226.68° WSW	16.423°	2025-06-02 15:29:24.954Z	195.205° SSW
6 mins	2025-06-03 06:56:24.954Z	226.912° WSW	2025-06-03 06:58:24.954Z	198.011° SSW	44.847°	2025-06-03 07:02:24.954Z	50.633° ENE
4 mins	2025-06-03 08:36:24.954Z	301.675° NW	2025-06-03 08:38:24.954Z	340.111° N	19.726°	2025-06-03 08:40:24.954Z	16.761° NNE
4 mins	2025-06-03 11:58:24.954Z	358.416° N	2025-06-03 11:59:24.954Z	17.924° NNE	18.45°	2025-06-03 12:02:24.954Z	67.247° ENE
7 mins	2025-06-03 13:36:24.954Z	312.907° NW	2025-06-03 13:39:24.954Z	41.097° NE	44.621°	2025-06-03 13:43:24.954Z	127.439° SE

Authenticating...

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Check out STARLINK-3635, 51981 on other resources

View STARLINK-3635, 51981 on NASA - NSSDCA Website

View STARLINK-3635, 51981 on Heavens-Above

View STARLINK-3635, 51981 on Keep Track

View STARLINK-3635, 51981 on Celestrak

View STARLINK-3635, 51981 on Gunter's Space Page

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