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Layup checking Sorcha cache for files when cache_dir is None in LayupObservatory.

bugSomething isn't workingSomething isn't working

Status: Open.

#451 In Smithsonian/layup;

· Little-Ryugu opened on Jul 27, 2026

layup --version reports back unknown version

Status: Open.

#450 In Smithsonian/layup;

· mschwamb opened on Jul 24, 2026

Make the default ephemeris/reference-data cache location configurable (currently ~/.cache, on the home partition)

documentationImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

#448 In Smithsonian/layup;

· matthewholman opened on Jul 23, 2026

Comet original 1/a_0 should use barycentric elements with GM_total; code uses heliocentric with GM_sun

Status: Open.

#447 In Smithsonian/layup;

· matthewholman opened on Jul 23, 2026

BK-IOD drops the perspective denominator 1/(1 - gamma*ze); it is the dominant seed error (40% in the main belt)

Status: Open.

#446 In Smithsonian/layup;

· matthewholman opened on Jul 23, 2026

BK dotted parameters mean time derivatives in bk_basis and scaled velocities in bk_iod; propose a single 1/gamma-scaled convention

Status: Open.

#445 In Smithsonian/layup;

· matthewholman opened on Jul 22, 2026

Comment in bk_basis.h says gamma is inverse heliocentric distance; the code uses barycentric

Status: Open.

#444 In Smithsonian/layup;

· matthewholman opened on Jul 22, 2026

Fitting sorcha output from simulated handful of asteroids and TNOs

Status: Open.

#441 In Smithsonian/layup;

· mschwamb opened on Jul 16, 2026

review/update of read the docs documentation

Status: Open.

#440 In Smithsonian/layup;

· mschwamb opened on Jul 16, 2026

Make finalized demo example data for layup utilities

Status: Open.

#439 In Smithsonian/layup;

· mschwamb opened on Jul 16, 2026

Documentation corrections found during a fresh-user run-through (README + --help)

documentationImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

#435 In Smithsonian/layup;

· matthewholman opened on Jul 10, 2026

Packaging/bootstrap hygiene for the first release (PyPI 0.0.1 stub; bootstrap leftover)

bugSomething isn't workingSomething isn't working

Status: Open.

#436 In Smithsonian/layup;

· matthewholman opened on Jul 10, 2026