Calculation Trace Viewer — References & Data Sources
球面幾何と算術から導く占星術計算公式集
─ Swiss Ephemeris に依存しない独立導出リファレンス ─
CC BY-NC-SA 4.0
Tetrabiblos
The Book of Instruction in the Elements of the Art of Astrology(星学要素教授書)
Primary Directions: Astrology's Old Master Technique
Astronomical Algorithms, 2nd Edition
Expressions for the Precession Quantities Based upon the IAU (1976) System of Astronomical Constants
A new determination of precession using Hipparcos results (IAU 2006)
Transformation of the IAU system of astronomical constants: From the B1950.0 system to the J2000.0 system(GMST 標準化)
Analytical formulae for the motion of the Earth's rotational axis — TDB-TT 補正(Fairhead-Bretagnon)
Five Millennium Canon of Solar Eclipses: −1999 to +3000 — ΔT 多項式
IAU SOFA 章動(IAU 2000B)
The Elements of House Division
JPL Planetary and Lunar Ephemeris DE440 (DE440s)Public Domain
de440s.bsp(短期版、1849〜2150年、約 31 MB)を使用。
太陽系質量中心(NAIF ID 0)基準の惑星重心位置。
IERS Bulletins — ΔT / EOP データ
Stella-JS(コアライブラリ)MIT
bsp-reader.js(BSP/SPK バイナリパーサー)·
chebyshev.js(チェビシェフ多項式評価)·
timescale.js(JD / ΔT / TDB 変換)·
coordinates.js(座標変換・光行差・歳差)·
precession.js(Lieske 歳差多項式)·
houses.js(ハウスシステム計算)·
constants.js(天文定数)
JPL Horizons Web Interface