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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43766 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SPAWAR?
Mission
Operational Defense Calibration
Bus & Motor
CUBESAT 1U, Unknown motor
Mass
1 kg wet, 1 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.1 m
Radar Cross Section
0.015 m², Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 SPAWAR-CAL-O
1 43766U 18099J 25286.26586988 .00025581 00000-0 10337-2 0 9995
2 43766 97.4716 344.4872 0011459 89.1138 271.1412 15.24670666375763Epoch: 2025-10-13T06:22Z
TLE epoch observation values (Epoch: 2025-10-13T06:22:51.157Z)
Latitude
-0.00007°
Longitude
-133.29707°
Altitude
494.722 km
Speed
7.617 km/s
True Right ascension
22h 57m 56s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
09:26:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
496.606 km
Perigee altitude
480.868 km
Semi-major axis
6,866.874 km
Eccentricity
0.00115
Inclination
97.4716°
RAAN
344.4872°
Arg. of periapsis
89.1138°
True anomaly
271.00991°
Mean anomaly
271.1412°
Eccentric anomaly
271.07556°
Mean motion
3.81421 °/min
Orbital period
94.38 mins
BSTAR
0.0010337
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Other satellites on launch #99 in the year 2018 (2018-12-03 UTC)
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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.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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-10-13 16:23:30.881Z | 30.999° NE | 2025-10-13 16:26:30.881Z | 89.687° E | 29.693° | 2025-10-13 16:29:30.881Z | 161.886° S |
| 4 mins | 2025-10-14 04:34:30.881Z | 214.427° SW | 2025-10-14 04:36:30.881Z | 273.9° WNW | 27.79° | 2025-10-14 04:38:30.881Z | 319.235° NNW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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