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STARLINK-1206, 45204

Orbit data source: Space-Track

STARLINK-1206, 45204 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 17 Feb 2020 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/45204?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

45204, 2020-012AC

Orbit

LEO

Country

US

Related business

Manufacturer

SpaceX/Seattle

Mission

Partially operational Commercial Communications

Bus & Motor

STARLINK, Unknown motor

Mass

260 kg wet, ~248 kg dry

Launch date (UTC)

2020-02-17 (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, 4.4 m

Radar Cross Section

13.562 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 18 hours ago

TLE from 18 hours ago

0 STARLINK-1206
1 45204U 20012AC  25257.58335648  .01381112  10117-2  29687-2 0  9996
2 45204  53.0387  46.2054 0001240  45.6575 248.2067 15.98128844  5962

Epoch: 2025-09-14T14:00Z

TLE epoch observation values (Epoch: 2025-09-14T14:00:01.999Z)

Latitude

-47.14195°

Longitude

148.65271°

Altitude

295.981 km

Speed

7.73 km/s

True Right ascension

23h 29m 50s

True Declination

-46° 57' 31"

Sunlit

Object was in full shadow 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

00:54:08

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

280.72 km

Perigee altitude

279.069 km

Semi-major axis

6,658.031 km

Eccentricity

0.00012

Inclination

53.0387°

RAAN

46.2054°

Arg. of periapsis

45.6575°

True anomaly

248.19351°

Mean anomaly

248.2067°

Eccentric anomaly

248.2001°

Mean motion

3.99507 °/min

Orbital period

90.11 mins

BSTAR

0.0029687

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Other satellites on launch #12 in the year 2020 (2020-02-17 UTC)

STARLINK-1138, 45178 (Decayed)

STARLINK-1203, 45202 (Decayed)

STARLINK-1204, 45203 (Decayed)

STARLINK-1208, 45205

STARLINK-1209, 45206

STARLINK-1210, 45207

STARLINK-1211, 45208 (Decayed)

STARLINK-1218, 45209 (Decayed)

STARLINK-1219, 45210 (Decayed)

STARLINK-1220, 45211 (Decayed)

STARLINK-1231, 45212

STARLINK-1232, 45213 (Decayed)

STARLINK-1233, 45214 (Decayed)

STARLINK-1245, 45215 (Decayed)

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

STARLINK-1206 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.
4 mins	2025-09-15 12:58:24.349Z	249.775° W	2025-09-15 13:00:24.349Z	349.267° N	35.021°	2025-09-15 13:02:24.349Z	39.915° NE

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in ascending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out STARLINK-1206, 45204 on other resources

View STARLINK-1206, 45204 on NASA - NSSDCA Website

View STARLINK-1206, 45204 on Heavens-Above

View STARLINK-1206, 45204 on Keep Track

View STARLINK-1206, 45204 on Celestrak

View STARLINK-1206, 45204 on Gunter's Space Page

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

Documentation

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