lambda_3 = 0.9565000620731570453
max of A*_f1/A = 21.3476922254 at first-vertex eccentric anomaly t = 4.3789271e-40
min of A*_f1/A = 9.67011919714 at first-vertex eccentric anomaly t = 3.1415927
variation along the family = 11.67757303
spread over the six members of check_note.py = 9.806789226
