Opens agent thread for astrolock to integrate 10 new functions:
saturn_ring_tilt, penumbral eclipse (4), rise/set event windows (3),
angular separation rate (2). Notes three items from v0.17.0's
"not in this release" are now addressed.
Three-tier plan: elongation+phase+eclipse in existing SQL (immediate),
observing_night_quality as secondary signal (next), lunar libration in
new Moon detail section (later). Questions on TLE CTE reuse and eclipse
fraction compute cost.
CLAUDE.md: bump version to 0.12.0, function count to 132, test count
to 22, add v0.10-0.12 SQL files to layout, add gist_equatorial.c,
update function domains table, add DE moon equatorial to DE variants.
Docs: add equatorial GiST operator class section to operators-gist.mdx
(KNN queries, cone search, RA wrapping, polar behavior). Add 4 DE moon
equatorial functions to functions-de.mdx (galilean, saturn, uranus, mars).
6 new SQL functions (114 -> 120):
- make_orbital_elements(): construct from 9 floats, angles in radians
- make_orbital_elements_deg(): same with angles in degrees, matches
text I/O convention and typical catalog column layouts
- galilean_equatorial(): geocentric RA/Dec for Io/Europa/Ganymede/Callisto
- saturn_moon_equatorial(): geocentric RA/Dec for Mimas through Hyperion
- uranus_moon_equatorial(): geocentric RA/Dec for Miranda through Oberon
- mars_moon_equatorial(): geocentric RA/Dec for Phobos/Deimos
Constructors requested by astrolock-api to replace fragile
format(9 args)::orbital_elements cast pattern. Moon equatorial
functions fill the last NULL RA/Dec gaps in their unified sky query.
All 20 regression suites pass.
- Add timing numbers for equatorial, aberration, angular distance,
refraction, and star proper motion+parallax to benchmarks page
- Update From Skyfield page: v0.10.0 now has light-time + aberration
parity; remaining gap narrowed to nutation (~9 arcsec) and polar motion
- Update llms.txt and llms-full.txt for 114 functions, new DE apparent
variants, equatorial spatial operators, and aberration/parallax notes
Annual stellar aberration (~20 arcsec) added to all 6 existing _apparent()
functions via classical first-order v/c projection (Ron & Vondrak). Earth
velocity sourced from VSOP87 xyz[3..5] (analytic) or DE numerical
differentiation.
New functions (106 -> 114):
- eq_angular_distance(): Vincenty formula, stable at 0 and 180 deg
- eq_within_cone(): cosine shortcut for fast cone-search predicate
- <-> operator on equatorial type
- 6 DE apparent variants with VSOP87 fallback:
planet/sun/moon_observe_apparent_de(),
planet/moon_equatorial_apparent_de(),
small_body_observe_apparent_de()
Stellar parallax now functional in star_observe_pm() and
star_equatorial_pm() — Green (1985) Eq. 11.3 displacement using
Earth heliocentric position from VSOP87.
All 19 regression suites pass (18 existing + new aberration suite).
