The J2000 mean obliquity of the ecliptic, degrees (IAU 1976, as used by
JPL Horizons' "ecliptic J2000" frame) — the tilt between the ICRF
equator, where the IAU publishes pole right ascension/declination, and
the ecliptic, which the bundled Solar System data is expressed in.
The J2000 mean obliquity of the ecliptic, degrees (IAU 1976, as used by JPL Horizons' "ecliptic J2000" frame) — the tilt between the ICRF equator, where the IAU publishes pole right ascension/declination, and the ecliptic, which the bundled Solar System data is expressed in.