PROPCUBE 3, 40973
Orbit data source: Space-Track
PROPCUBE 3, 40973 is a payload satellite owned by USN PGS (US) in LEO that was launched on Thu, 08 Oct 2015 UTC via an ATLAS V 401 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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40973 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Tyvak NSS
Mission
Operational Defense Technology
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: 10 hours ago
TLE from 10 hours ago
0 PROPCUBE 3
1 40973U 15058K 26082.92687851 .00003559 00000-0 30398-3 0 9994
2 40973 64.7686 158.7942 0122964 93.8657 267.6525 14.93647185102060Epoch: 2026-03-23T22:14Z
TLE epoch observation values (Epoch: 2026-03-23T22:14:42.303Z)
Latitude
-0°
Longitude
3.70606°
Altitude
593.143 km
Speed
7.561 km/s
True Right ascension
10h 35m 10s
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
13:31:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
670.764 km
Perigee altitude
499.518 km
Semi-major axis
6,963.278 km
Eccentricity
0.0123
Inclination
64.7686°
RAAN
158.7942°
Arg. of periapsis
93.8657°
True anomaly
266.24565°
Mean anomaly
267.6525°
Eccentric anomaly
266.94897°
Mean motion
3.73527 °/min
Orbital period
96.38 mins
BSTAR
0.00030398
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Other satellites on launch #58 in the year 2015 (2015-10-08 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.PROPCUBE 3 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 | 2026-03-24 14:49:55.825Z | 356.489° N | 2026-03-24 14:52:55.825Z | 54.838° ENE | 22.833° | 2026-03-24 14:55:55.825Z | 106.22° ESE |
| 5 mins | 2026-03-24 16:29:55.825Z | 288.099° WNW | 2026-03-24 16:31:55.825Z | 243.047° WSW | 23.845° | 2026-03-24 16:34:55.825Z | 190.2° SSW |
| 6 mins | 2026-03-25 06:31:55.825Z | 204.985° SW | 2026-03-25 06:34:55.825Z | 93.763° ESE | 44.239° | 2026-03-25 06:37:55.825Z | 35.308° NE |
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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