PROPCUBE 1, 40976
Orbit data source: Space-Track
PROPCUBE 1, 40976 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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40976 intel report (Beta)
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Edit Public Description
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, Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 PROPCUBE 1
1 40976U 15058N 25310.27413646 .00003346 00000-0 32093-3 0 9995
2 40976 64.7746 265.3351 0141195 147.5123 213.4778 14.87644218 83087Epoch: 2025-11-06T06:34Z
TLE epoch observation values (Epoch: 2025-11-06T06:34:45.390Z)
Latitude
-0.00001°
Longitude
120.91116°
Altitude
689.973 km
Speed
7.467 km/s
True Right ascension
17h 41m 20s
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
07:38:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
702.45 km
Perigee altitude
505.285 km
Semi-major axis
6,982.004 km
Eccentricity
0.01412
Inclination
64.7746°
RAAN
265.3351°
Arg. of periapsis
147.5123°
True anomaly
212.59829°
Mean anomaly
213.4778°
Eccentric anomaly
213.03676°
Mean motion
3.72026 °/min
Orbital period
96.77 mins
BSTAR
0.00032093
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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 1 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-11-06 22:50:36.173Z | 206.49° SW | 2025-11-06 22:54:36.173Z | 175.057° S | 43.793° | 2025-11-06 22:58:36.173Z | 34.63° NE |
| 6 mins | 2025-11-07 07:19:36.173Z | 347.838° N | 2025-11-07 07:22:36.173Z | 76.621° E | 33.54° | 2025-11-07 07:25:36.173Z | 126.774° SE |
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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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 ascending order |
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