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SPAWAR-CAL-R, 43776

Orbit data source: Space-Track

SPAWAR-CAL-R, 43776 is a payload satellite owned by SPAWAR (US) 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 src="https://www.satcat.com/sats-embedded/43776?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/43776?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

43776, 2018-099U

Orbit

SSO

Country

Related business

United States Navy (US)

Manufacturer

SPAWAR?

Mission

Operational Defense Calibration

Bus & Motor

CUBESAT 1U, Unknown motor

Mass

1 kg wet, 1 kg dry

Launch date (UTC)

2018-12-03 (8 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.1 m

Radar Cross Section

0.015 m², Medium (>0.1 m² and < 1m²)

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

TLE from 18 hours ago

0 SPAWAR-CAL-R
1 43776U 18099U   26235.53375848  .00001882  00000-0  13309-3 0  9993
2 43776  97.4337 273.5445 0021131 127.8277 232.4867 15.05871061422132

Epoch: 2026-08-23T12:48Z

TLE epoch observation values (Epoch: 2026-08-23T12:48:36.732Z)

Latitude

-0.00005°

Longitude

109.56301°

Altitude

560.838 km

Speed

7.576 km/s

True Right ascension

18h 14m 10s

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

21:34:03

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

560.45 km

Perigee altitude

531.188 km

Semi-major axis

6,923.956 km

Eccentricity

0.00211

Inclination

97.4337°

RAAN

273.5445°

Arg. of periapsis

127.8277°

True anomaly

232.29494°

Mean anomaly

232.4867°

Eccentric anomaly

232.39079°

Mean motion

3.76714 °/min

Orbital period

95.56 mins

BSTAR

0.00013309

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

SPACEBEE-5, 43817 (Decayed)

ELYUSIUM/LOWER FREE FLYE, 43760 (Decayed)

ORBWEAVER 1, 43795 (Decayed)

OBJECT AH, 43789 (Decayed)

VESTA-1, 43781 (Decayed)

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SPAWAR-CAL-R 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.
6 mins	2026-08-24 14:54:19.473Z	40.605° NE	2026-08-24 14:57:19.473Z	110.029° ESE	26.766°	2026-08-24 15:00:19.473Z	160.454° S
5 mins	2026-08-25 03:13:19.473Z	210.009° SW	2026-08-25 03:15:19.473Z	257.454° W	28.8°	2026-08-25 03:18:19.473Z	323.043° NNW

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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 SPAWAR-CAL-R, 43776 on other resources

View SPAWAR-CAL-R, 43776 on NASA - NSSDCA Website

View SPAWAR-CAL-R, 43776 on Heavens-Above

View SPAWAR-CAL-R, 43776 on Keep Track

View SPAWAR-CAL-R, 43776 on Celestrak

View SPAWAR-CAL-R, 43776 on Gunter's Space Page

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

SPAWAR-CAL-R, 43776

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 18 hours ago

TLE from 18 hours ago

TLE epoch observation values (Epoch: 2026-08-23T12:48:36.732Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

SPAWAR-CAL-R Visibility forecast

Co-orbital & Co-planar RSOs

Check out SPAWAR-CAL-R, 43776 on other resources

Documentation

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