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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: 1 day ago

TLE from 1 day ago

0 SEAHAWK-1
1 43820U 18099BQ  26124.09931509  .00009813  00000-0  43102-3 0  9999
2 43820  97.3989 177.2735 0010017 104.3992 255.8357 15.22080408405827

Epoch: 2026-05-04T02:23Z

TLE epoch observation values (Epoch: 2026-05-04T02:23:00.823Z)

Latitude

-0.00002°

Longitude

-80.4733°

Altitude

504.353 km

Speed

7.611 km/s

True Right ascension

11h 49m 05s

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

15:46:51

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

503.416 km

Perigee altitude

489.643 km

Semi-major axis

6,874.666 km

Eccentricity

0.001

Inclination

97.3989°

RAAN

177.2735°

Arg. of periapsis

104.3992°

True anomaly

255.72444°

Mean anomaly

255.8357°

Eccentric anomaly

255.78007°

Mean motion

3.80773 °/min

Orbital period

94.54 mins

BSTAR

0.00043102

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

SIRION PATHFINDER-2, 43759

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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	2026-05-05 16:49:30.292Z	343.123° N	2026-05-05 16:51:30.292Z	279.557° WNW	32.674°	2026-05-05 16:54:30.292Z	217.704° SW
5 mins	2026-05-06 03:26:30.292Z	153.411° SSE	2026-05-06 03:28:30.292Z	54.668° ENE	42.757°	2026-05-06 03:31:30.292Z	354.015° N

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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: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-05-04T02:23:00.823Z)

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: 1 day ago