I'm on the Debian Arm mailing list so I posted a question about it:
Vagrant Cascadian <vagrant@debian.org> Sat, Aug 17, 2019 at 1:42 PM
To:
debian-arm@lists.debian.org
On 2019-08-17, Alan Corey wrote:
> They seem to be missing from Stretch but they're in Buster. Maybe, by
> pkgs.org, and they only have the i386 and amd64 versions. They don't
> show up using this sources.list
The last release that contained libxp was jessie (oldoldstable):
https://tracker.debian.org/pkg/libxp
It was removed from Debian testing and unstable about four years ago,
the process starting back in 2012:
https://bugs.debian.org/657253
> I'm on an aarch64 machine (Odroid N2). Raspbian has them.
Maybe raspbian never cleaned them up, and they're just leftovers from
raspbian jessie.
live well,
vagrant
---------------
So we're stuck tracking down sources for that as well as for xephem. Xephem's homepage is
http://www.clearskyinstitute.com/xephem/ The author has retired, but it's still the most comprehensive ephemeris I've ever seen. More modern programs don't come close.