You could have downloaded macorsa 0.7.0 for Mac from our application library for free. Our antivirus scan shows that this Mac download is malware free. Commonly, this program's installer has the following filename: orsa-0.7.0.tar.gz. This free Mac application was originally developed by Pasquale Tricarico. The most popular versions of macorsa for Mac are 0.7 and 0.6. The program lies within Education Tools, more precisely Science.
From the developer:
ORSA is an interactive tool for scientific grade Celestial Mechanics computations. Asteroids, comets, artificial satellites, Solar and extra-Solar planetary systems can be accurately reproduced, simulated, and analyzed.
You may want to check out more software for Mac, such as Integrated Data Viewer Installer, UN-SCAN-IT Demo or ScienceMatrix, which might be related to macorsa.