Taos API Reference
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    Function sgp4

    • Propagates satrec to tsince minutes past its epoch, writing the TEME state vector (km, km/s) into out. Returns true on success; false if the object has decayed or the math went singular (satrec.error is set — 1 = eccentricity out of range, 6 = decay, etc.). Once error is nonzero the record is not reusable for that time.

      Parameters

      Returns boolean