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SEAHAWK-1, 43820

Orbit data source: Space-Track

SEAHAWK-1, 43820 is an American payload satellite in SSO that was launched on Mon, 03 Dec 2018 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/43820?theme=dark&initialShowStats=false

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Identifier

43820, 2018-099BQ

Orbit

SSO

Country

Related business

University of North Carolina, Wilmington (US)

Manufacturer

AAC ClydeSpace

Mission

Operational Amateur Technology

Bus & Motor

CUBESAT 3U, Unknown motor

Mass

5 kg wet, 5 kg dry

Launch date (UTC)

2018-12-03 (7 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 4 Pan, 1.0 m

Radar Cross Section

0.035 m², Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 SEAHAWK-1
1 43820U 18099BQ  26034.57446809  .00011502  00000-0  53191-3 0  9993
2 43820  97.4161  89.1938 0009930  63.0090 297.2158 15.20269485392217

Epoch: 2026-02-03T13:47Z

TLE epoch observation values (Epoch: 2026-02-03T13:47:14.042Z)

Latitude

-0.00006°

Longitude

108.63186°

Altitude

504.996 km

Speed

7.613 km/s

True Right ascension

05h 56m 46s

True Declination

0° 00' 00"

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

02:09:45

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

508.825 km

Perigee altitude

495.161 km

Semi-major axis

6,880.13 km

Eccentricity

0.00099

Inclination

97.4161°

RAAN

89.1938°

Arg. of periapsis

63.009°

True anomaly

297.11455°

Mean anomaly

297.2158°

Eccentric anomaly

297.16518°

Mean motion

3.80319 °/min

Orbital period

94.66 mins

BSTAR

0.00053191

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Other satellites on launch #99 in the year 2018 (2018-12-03 UTC)

UPPER FREE FLYER, 43763

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SEAHAWK-1 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	2026-02-04 04:08:29.750Z	211.277° SW	2026-02-04 04:10:29.750Z	261.41° W	27.311°	2026-02-04 04:13:29.750Z	324.389° NNW
4 mins	2026-02-04 15:39:29.750Z	66.306° ENE	2026-02-04 15:40:29.750Z	88.664° E	20.195°	2026-02-04 15:43:29.750Z	145.725° SSE

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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 SEAHAWK-1, 43820 on other resources

View SEAHAWK-1, 43820 on NASA - NSSDCA Website

View SEAHAWK-1, 43820 on Heavens-Above

View SEAHAWK-1, 43820 on Keep Track

View SEAHAWK-1, 43820 on Celestrak

View SEAHAWK-1, 43820 on Gunter's Space Page

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

SEAHAWK-1, 43820

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-02-03T13:47:14.042Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #99 in the year 2018 (2018-12-03 UTC)

SEAHAWK-1 Visibility forecast

Co-orbital & Co-planar RSOs

Check out SEAHAWK-1, 43820 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago