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SPAWAR-CAL-O, 43766

Orbit data source: Space-Track

SPAWAR-CAL-O, 43766 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/43766?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/43766?theme=dark&initialShowStats=false

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Identifier

43766, 2018-099J

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: 22 hours ago

TLE from 22 hours ago

0 SPAWAR-CAL-O
1 43766U 18099J   26034.15559805  .00019120  00000-0  66221-3 0  9999
2 43766  97.4531  97.3920 0009864  54.2778 305.9378 15.29850872392991

Epoch: 2026-02-03T03:44Z

TLE epoch observation values (Epoch: 2026-02-03T03:44:03.671Z)

Latitude

-0.00008°

Longitude

-91.96387°

Altitude

475.395 km

Speed

7.63 km/s

True Right ascension

06h 29m 34s

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

03:33:23

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

479.971 km

Perigee altitude

466.454 km

Semi-major axis

6,851.349 km

Eccentricity

0.00099

Inclination

97.4531°

RAAN

97.392°

Arg. of periapsis

54.2778°

True anomaly

305.84622°

Mean anomaly

305.9378°

Eccentric anomaly

305.89201°

Mean motion

3.82718 °/min

Orbital period

94.06 mins

BSTAR

0.00066221

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

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SPAWAR-CAL-O 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	2026-02-04 03:25:54.787Z	114.627° SE	2026-02-04 03:27:54.787Z	71.657° E	20.874°	2026-02-04 03:29:54.787Z	27.497° NE
4 mins	2026-02-04 16:25:54.787Z	62.54° ENE	2026-02-04 16:26:54.787Z	91.302° ESE	25.492°	2026-02-04 16:29:54.787Z	156.475° 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 SPAWAR-CAL-O, 43766 on other resources

View SPAWAR-CAL-O, 43766 on NASA - NSSDCA Website

View SPAWAR-CAL-O, 43766 on Heavens-Above

View SPAWAR-CAL-O, 43766 on Keep Track

View SPAWAR-CAL-O, 43766 on Celestrak

View SPAWAR-CAL-O, 43766 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-O, 43766

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 22 hours ago

TLE from 22 hours ago

TLE epoch observation values (Epoch: 2026-02-03T03:44:03.671Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

SPAWAR-CAL-O Visibility forecast

Co-orbital & Co-planar RSOs

Check out SPAWAR-CAL-O, 43766 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 22 hours ago