How do I determine the COP for my heat pump at certain temps? Thanks!

XR-14 4TWR4036C1 (R410A) Heat pump
90% TUX1B080A9H3 Furnace
4TXCB036BC3 Coil

SEER 14.00
HSPF 8.50
EER 12.00

Ambient----COP
65F -------- ?
55 --------- ?
45 --------- ?
35 --------- ?
25 --------- ?
15 --------- ?
5 ---------- ?