STARLINK-5864, 55940

Orbit data source: Space-Track

STARLINK-5864, 55940 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 17 Mar 2023 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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/55940?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

55940, 2023-037AC

Orbit

LEO

Last TLE update

15 hours ago

Origin

SpaceX (US)

Manufacturer

SpaceX/Seattle

Mission

Operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

305 kg wet, ~290 kg dry

Launch date (UTC)

2023-03-17 (2 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 1 Pan, 9 m

Radar Cross Section

11.087 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 15 hours ago

0 STARLINK-5864
1 55940U 23037AC  25196.91414525  .00000303  00000-0  33218-4 0  9999
2 55940  69.9999 161.4450 0003157 268.2693  91.8104 14.98338706128518

Epoch: 2025-07-15T21:56Z

TLE epoch observation values (Epoch: 2025-07-15T21:56:22.149Z)

Latitude

-0.00008°

Longitude

-101.64915°

Altitude

574.523 km

Speed

7.574 km/s

True Right ascension

10h 45m 46s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

31.57951°

Longitude

-90.32223°

Altitude

576.827 km

Speed

7.575 km/s

Apparent Right ascension

12h 15m 04s

Apparent Declination

-2° 25' 22"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

01:08:29

Azimuth

21.317° NNE

Elevation

-50.598°

Doppler factor

Orbital elements

Apogee altitude

572.171 km

Perigee altitude

567.784 km

Semi-major axis

6,948.114 km

Eccentricity

0.00032

Inclination

69.9999°

RAAN

161.445°

Arg. of periapsis

268.2693°

True anomaly

Unknown

Mean anomaly

91.8104°

Eccentric anomaly

Unknown

Mean motion

3.74751 °/min

Orbital period

96.06 mins

BSTAR

0.000033218

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Other satellites on launch #37 in the year 2023 (2023-03-17 UTC)

STARLINK-5864 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	2025-07-16 22:06:34.064Z	144.102° SSE	2025-07-16 22:08:34.064Z	110.768° ESE	19.035°	2025-07-16 22:11:34.064Z	60.609° ENE
6 mins	2025-07-16 23:44:34.064Z	248.332° W	2025-07-16 23:46:34.064Z	289.261° WNW	27.777°	2025-07-16 23:50:34.064Z	4.467° NNE
6 mins	2025-07-17 08:08:34.064Z	358.24° N	2025-07-17 08:11:34.064Z	81.559° E	33.571°	2025-07-17 08:14:34.064Z	131.722° 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-5864, 55940 on other resources

View STARLINK-5864, 55940 on NASA - NSSDCA Website

View STARLINK-5864, 55940 on Heavens-Above

View STARLINK-5864, 55940 on Keep Track

View STARLINK-5864, 55940 on Celestrak

View STARLINK-5864, 55940 on Gunter's Space Page

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