2022-04-28, 02:44 PM
Greg, you're talking mid transit time. Correct? With all the positions corrected using SPICE, and viewing from the center of the Earth:
1st contact: 29th April at 18:24 UTC
2nd contact: 29th April at 18:34 UTC
3rd contact: 30th April at 02:53 UTC
4th contact: 30th April at 03:03 UTC
As for Iapetus having a weird orbit, not sure I understand. Weird are Ariel, Charon, Proteus, Rhea, and possibly Triton.
1st contact: 29th April at 18:24 UTC
2nd contact: 29th April at 18:34 UTC
3rd contact: 30th April at 02:53 UTC
4th contact: 30th April at 03:03 UTC
As for Iapetus having a weird orbit, not sure I understand. Weird are Ariel, Charon, Proteus, Rhea, and possibly Triton.