Adopted the correct formula for determining the collision mass in the non-catastrophic case (Use correct exponent 2)
This was wrong in the original publication [1], as [2] states
The correct formula uses the squared impact velocity
[1] Johnson, N. L., Krisko, P. H., Liou, J. C., & Anz-Meador, P. D. (2001). NASA's new breakup model of EVOLVE 4.0. Advances in Space Research, 28(9), 1377-1384.
[2] Horstman, A. (2020). Enhancement of s/c Fragmentation and Environment Evolution Models. Final Report, Contract N. 4000115973/15/D/SR, Institute of Space System, Technische Universität Braunschweig, 26(08).
Changelog
[1] Johnson, N. L., Krisko, P. H., Liou, J. C., & Anz-Meador, P. D. (2001). NASA's new breakup model of EVOLVE 4.0. Advances in Space Research, 28(9), 1377-1384.
[2] Horstman, A. (2020). Enhancement of s/c Fragmentation and Environment Evolution Models. Final Report, Contract N. 4000115973/15/D/SR, Institute of Space System, Technische Universität Braunschweig, 26(08).