STARLINK-2499, 48377

Orbit data source: Space-Track

STARLINK-2499, 48377 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 04 May 2021 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/48377?theme=dark&initialShowStats=false

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Identifier

48377, 2021-038AA

Orbit

LEO

Last TLE update

9 hours ago

Origin

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

260 kg wet, ~248 kg dry

Launch date (UTC)

2021-05-04 (4 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, 4.4 m

Radar Cross Section

13.562 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 9 hours ago

0 STARLINK-2499
1 48377U 21038AA  25198.52135916  .00002904  00000-0  21376-3 0  9997
2 48377  53.0568 327.8304 0001342  92.6066 267.5076 15.06400140232308

Epoch: 2025-07-17T12:30Z

TLE epoch observation values (Epoch: 2025-07-17T12:30:45.431Z)

Latitude

-0.00007°

Longitude

-155.44493°

Altitude

548.131 km

Speed

7.589 km/s

True Right ascension

21h 51m 19s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

-6.60941°

Longitude

27.88134°

Altitude

549.25 km

Speed

7.588 km/s

Apparent Right ascension

10h 11m 56s

Apparent Declination

-67° 48' 12"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

10:01:39

Azimuth

178.981° S

Elevation

-17.737°

Doppler factor

Orbital elements

Apogee altitude

548.411 km

Perigee altitude

546.552 km

Semi-major axis

6,925.618 km

Eccentricity

0.00013

Inclination

53.0568°

RAAN

327.8304°

Arg. of periapsis

92.6066°

True anomaly

267.49224°

Mean anomaly

267.5076°

Eccentric anomaly

267.49992°

Mean motion

3.76578 °/min

Orbital period

95.6 mins

BSTAR

0.00021376

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Other satellites on launch #38 in the year 2021 (2021-05-04 UTC)

STARLINK-2599, 48383 (Decayed)

STARLINK-2601, 48384 (Decayed)

STARLINK-2598, 48385

STARLINK-2606, 48386

STARLINK-2600, 48387 (Decayed)

STARLINK-2594, 48388

STARLINK-1904, 48389 (Decayed)

STARLINK-2586, 48390

STARLINK-2499 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.
7 mins	2025-07-18 10:58:20.779Z	212.001° SW	2025-07-18 11:01:20.779Z	151.957° SSE	39.8°	2025-07-18 11:05:20.779Z	57.987° ENE
5 mins	2025-07-18 12:39:20.779Z	291.392° WNW	2025-07-18 12:41:20.779Z	334.579° NNW	24.17°	2025-07-18 12:44:20.779Z	28.702° NE
4 mins	2025-07-18 16:01:20.779Z	350.257° N	2025-07-18 16:03:20.779Z	25.845° NE	16.298°	2025-07-18 16:05:20.779Z	56.375° ENE
6 mins	2025-07-18 17:40:20.779Z	321.294° NNW	2025-07-18 17:43:20.779Z	56.002° ENE	39.832°	2025-07-18 17:46:20.779Z	113.81° SE
4 mins	2025-07-18 19:20:20.779Z	266.513° W	2025-07-18 19:22:20.779Z	230.48° WSW	18.429°	2025-07-18 19:24:20.779Z	195.593° SSW

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-2499, 48377 on other resources

View STARLINK-2499, 48377 on NASA - NSSDCA Website

View STARLINK-2499, 48377 on Heavens-Above

View STARLINK-2499, 48377 on Keep Track

View STARLINK-2499, 48377 on Celestrak

View STARLINK-2499, 48377 on Gunter's Space Page

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