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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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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 (7 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, Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 21 hours ago

TLE from 21 hours ago

0 SPAWAR-CAL-R
1 43776U 18099U   25339.09877257  .00004940  00000-0  35467-3 0  9996
2 43776  97.4662  21.2067 0018995 306.3008  53.6464 15.04609577382806

Epoch: 2025-12-05T02:22Z

TLE epoch observation values (Epoch: 2025-12-05T02:22:13.950Z)

Latitude

0.00001°

Longitude

-88.49716°

Altitude

547.983 km

Speed

7.592 km/s

True Right ascension

01h 24m 49s

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

21:22:45

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

562.853 km

Perigee altitude

536.534 km

Semi-major axis

6,927.83 km

Eccentricity

0.0019

Inclination

97.4662°

RAAN

21.2067°

Arg. of periapsis

306.3008°

True anomaly

53.82195°

Mean anomaly

53.6464°

Eccentric anomaly

53.73415°

Mean motion

3.76398 °/min

Orbital period

95.64 mins

BSTAR

0.00035467

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

ELYUSIUM/LOWER FREE FLYE, 43760 (Decayed)

FLOCK 3S 1, 43769 (Decayed)

CSIM, 43793 (Decayed)

MOVE-II, 43780 (Decayed)

SKYSAT C13, 43802

SNUGLITE, 43784

SPACEBEE-7, 43816

UPPER FREE FLYER, 43763

POLAR SCOUT YUKON, 43808

BRIO, 43813 (Decayed)

NEXTSAT-1, 43811

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

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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	2025-12-06 02:27:12.163Z	129.959° SE	2025-12-06 02:30:12.163Z	60.228° ENE	28.808°	2025-12-06 02:33:12.163Z	8.471° NNE
6 mins	2025-12-06 15:39:12.163Z	21.288° NNE	2025-12-06 15:42:12.163Z	105.877° ESE	42.083°	2025-12-06 15:45:12.163Z	180.606° SSW

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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: 21 hours ago

TLE from 21 hours ago

TLE epoch observation values (Epoch: 2025-12-05T02:22:13.950Z)

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: 21 hours ago