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: 7 hours ago
TLE from 7 hours ago
0 PROPCUBE 3
1 40973U 15058K 26147.52797485 .00004544 00000-0 37890-3 0 9996
2 40973 64.7694 317.0763 0123309 68.1596 293.2580 14.94105143111713Epoch: 2026-05-27T12:40Z
TLE epoch observation values (Epoch: 2026-05-27T12:40:17.027Z)
Latitude
0.00001°
Longitude
-118.08041°
Altitude
554.153 km
Speed
7.603 km/s
True Right ascension
21h 08m 18s
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
05:06:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
669.563 km
Perigee altitude
497.871 km
Semi-major axis
6,961.854 km
Eccentricity
0.01233
Inclination
64.7694°
RAAN
317.0763°
Arg. of periapsis
68.1596°
True anomaly
291.95198°
Mean anomaly
293.258°
Eccentric anomaly
292.60577°
Mean motion
3.73642 °/min
Orbital period
96.35 mins
BSTAR
0.0003789
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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 | 2026-05-27 21:13:17.079Z | 358.119° N | 2026-05-27 21:16:17.079Z | 57.526° ENE | 23.359° | 2026-05-27 21:19:17.079Z | 106.52° ESE |
| 5 mins | 2026-05-27 22:53:17.079Z | 286.444° WNW | 2026-05-27 22:55:17.079Z | 239.875° WSW | 25.103° | 2026-05-27 22:58:17.079Z | 189.042° SSW |
| 6 mins | 2026-05-28 12:55:17.079Z | 203.099° SW | 2026-05-28 12:57:17.079Z | 177.407° S | 42.079° | 2026-05-28 13:01:17.079Z | 35.344° 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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