2022-04-27, 08:20 PM
Wow Greg! That there's some serious perturbations doing their mischief! Or a polynomial fit gone awry
. Need more terms, I guess
.
Just kidding, of course. Iapetus is certainly misbehaving.
I haven't looked at the 'Explanatory Supplement to The Astronomical Almanac" to see what they were using in the early 1990s. It's probably out of date by now anyway. I can see what they have if you're interested, Greg.
Phil S.


Just kidding, of course. Iapetus is certainly misbehaving.
I haven't looked at the 'Explanatory Supplement to The Astronomical Almanac" to see what they were using in the early 1990s. It's probably out of date by now anyway. I can see what they have if you're interested, Greg.
Phil S.