STARLINK-2557, 48299

Orbit data source: Space-Track

STARLINK-2557, 48299 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 29 Apr 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/48299?theme=dark&initialShowStats=false

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Identifier

48299, 2021-036Z

Orbit

LEO

Country

Related business

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

260 kg wet, ~248 kg dry

Launch date (UTC)

2021-04-29 (6 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, 10.1 m

Radar Cross Section

13.562 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 6 hours ago

TLE from 6 hours ago

0 STARLINK-2557
1 48299U 21036Z   26307.58335647  .00036298  00000-0  91382-3 0  9997
2 48299  53.1610  42.7232 0002121  26.3636 205.7172 15.39595852  5867

Epoch: 2026-11-03T14:00Z

TLE epoch observation values (Epoch: 2026-11-03T14:00:01.999Z)

Latitude

-39.34935°

Longitude

7.52227°

Altitude

461.508 km

Speed

7.635 km/s

True Right ascension

17h 21m 29s

True Declination

-39° 10' 25"

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

15:36:43

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

449.009 km

Perigee altitude

446.113 km

Semi-major axis

6,825.698 km

Eccentricity

0.00021

Inclination

53.161°

RAAN

42.7232°

Arg. of periapsis

26.3636°

True anomaly

205.70666°

Mean anomaly

205.7172°

Eccentric anomaly

205.71193°

Mean motion

3.84878 °/min

Orbital period

93.54 mins

BSTAR

0.00091382

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Other satellites on launch #36 in the year 2021 (2021-04-29 UTC)

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STARLINK-2557 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	2026-11-04 09:26:52.332Z	241.37° WSW	2026-11-04 09:28:52.332Z	278.706° WNW	59.796°	2026-11-04 09:31:52.332Z	42.803° NE
5 mins	2026-11-04 15:59:52.332Z	309.678° NW	2026-11-04 16:01:52.332Z	168.861° S	87.649°	2026-11-04 16:04:52.332Z	131.7° SE

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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 STARLINK-2557, 48299 on other resources

View STARLINK-2557, 48299 on NASA - NSSDCA Website

View STARLINK-2557, 48299 on Heavens-Above

View STARLINK-2557, 48299 on Keep Track

View STARLINK-2557, 48299 on Celestrak

View STARLINK-2557, 48299 on Gunter's Space Page

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

STARLINK-2557, 48299

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-11-03T14:00:01.999Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #36 in the year 2021 (2021-04-29 UTC)

STARLINK-2557 Visibility forecast

Co-orbital & Co-planar RSOs

Check out STARLINK-2557, 48299 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 hours ago