Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

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: 12 hours ago

TLE from 12 hours ago

0 SPAWAR-CAL-O
1 43766U 18099J   26079.91180855  .00017939  00000-0  58601-3 0  9996
2 43766  97.4427 143.3212 0007558 237.8049 122.2460 15.31776920399992

Epoch: 2026-03-20T21:53Z

TLE epoch observation values (Epoch: 2026-03-20T21:53:00.258Z)

Latitude

-0.00004°

Longitude

-3.36995°

Altitude

476.381 km

Speed

7.626 km/s

True Right ascension

09h 33m 17s

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

14:31:48

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

472.636 km

Perigee altitude

462.289 km

Semi-major axis

6,845.599 km

Eccentricity

0.00076

Inclination

97.4427°

RAAN

143.3212°

Arg. of periapsis

237.8049°

True anomaly

122.31921°

Mean anomaly

122.246°

Eccentric anomaly

122.28261°

Mean motion

3.832 °/min

Orbital period

93.95 mins

BSTAR

0.00058601

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

OBJECT AZ, 43805

KAZSTSAT, 43783

M1, 43779

KAZSCISAT-1, 43787 (Decayed)

AO-95, 43770

BRIO, 43813 (Decayed)

SPACEBEE-6, 43818 (Decayed)

OBJECT AH, 43789 (Decayed)

ICEYE-X2, 43800

HAWK-B, 43794

CSIM, 43793 (Decayed)

SPACEBEE-7, 43816 (Decayed)

HIBER-2, 43774 (Decayed)

AISTECHSAT-2, 43768

GLOBAL-2, 43812

Did you know?

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

Click here to try in Sandbox

SPAWAR-CAL-O Visibility forecast

Loading observer location...
Set Observer location

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	2026-03-21 17:15:35.673Z	0.432° NNE	2026-03-21 17:18:35.673Z	251.372° W	38.498°	2026-03-21 17:20:35.673Z	209.605° SW
4 mins	2026-03-22 03:49:35.673Z	126.02° SE	2026-03-22 03:51:35.673Z	51.04° ENE	31.498°	2026-03-22 03:53:35.673Z	8.91° NNE

Items per page:

1–2 of 2 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

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: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-03-20T21:53:00.258Z)

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: 12 hours ago