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: 8 hours ago
TLE from 8 hours ago
0 PROPCUBE 3
1 40973U 15058K 26044.89209488 .00003738 00000-0 32009-3 0 9994
2 40973 64.7685 277.4815 0125033 109.2264 252.2427 14.93273325 96382Epoch: 2026-02-13T21:24Z
TLE epoch observation values (Epoch: 2026-02-13T21:24:36.997Z)
Latitude
-0.00003°
Longitude
172.40435°
Altitude
617.295 km
Speed
7.536 km/s
True Right ascension
18h 29m 55s
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
07:40:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
673.382 km
Perigee altitude
499.225 km
Semi-major axis
6,964.441 km
Eccentricity
0.0125
Inclination
64.7685°
RAAN
277.4815°
Arg. of periapsis
109.2264°
True anomaly
250.88479°
Mean anomaly
252.2427°
Eccentric anomaly
251.56308°
Mean motion
3.73434 °/min
Orbital period
96.4 mins
BSTAR
0.00032009
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-02-14 16:49:49.527Z | 193.298° SSW | 2026-02-14 16:53:49.527Z | 93.246° ESE | 37.528° | 2026-02-14 16:56:49.527Z | 43.12° NE |
| 4 mins | 2026-02-15 01:16:49.527Z | 11.251° NNE | 2026-02-15 01:18:49.527Z | 66.097° ENE | 25.416° | 2026-02-15 01:20:49.527Z | 105.309° ESE |
| 4 mins | 2026-02-15 02:55:49.527Z | 278.625° WNW | 2026-02-15 02:57:49.527Z | 236.108° WSW | 19.202° | 2026-02-15 02:59:49.527Z | 202.268° SSW |
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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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