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Track PROPCUBE 3 now!
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PROPCUBE 3 is classified as:

NORAD ID: 40973
Int'l Code: 2015-058K
Perigee: 492.5 km
Apogee: 755.0 km
Inclination: 64.8 °
Period: 97.0 minutes
Semi major axis: 6994 km
RCS: Unknown
Launch date: October 8, 2015
Source: United States (US)

PROPCUBE 3 (Merryweather) belongs to a series of three 1U CubeSats on a researching mission to measure artificial ionization. The satellites were developed by the Naval Postgraduate School (NPS) and provided by Tyvak Nano-Satellite Systems Inc. The cubesats are performing dual frequency ionospheric calibration measurements of ionospheric electron density and irregularities. They performing measurements of total electron content by differential group delay, of plasma irregularities by amplitude and phase scintillations and detection of artificial ionization and irregularities generated by the HAARP, Arecibo and Sura high frequency facilities.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 40973U 15058K   24173.84134227  .00002531  00000-0  23745-3 0  9995
2 40973  64.7718 344.5476 0187606 305.2406  53.1267 14.84030423  6727
Source of the keplerian elements: Caltech