From b4d37b2aa3dc340c32da5624f7763921ebb316ae Mon Sep 17 00:00:00 2001 From: Satoshi Ikari Date: Thu, 12 Oct 2023 21:13:56 +0200 Subject: [PATCH] Add comment --- src/library/planet_rotation/moon_rotation_utilities.cpp | 1 + 1 file changed, 1 insertion(+) diff --git a/src/library/planet_rotation/moon_rotation_utilities.cpp b/src/library/planet_rotation/moon_rotation_utilities.cpp index d3d339ee7..fc03ab9f0 100644 --- a/src/library/planet_rotation/moon_rotation_utilities.cpp +++ b/src/library/planet_rotation/moon_rotation_utilities.cpp @@ -36,6 +36,7 @@ libra::Matrix<3, 3> CalcDcmEciToMeanEarth(const libra::Vector<3> moon_position_e } libra::Matrix<3, 3> CalcDcmMeanEarthToPrincipalAxis() { + // The correction values between DE430 Principal Axis and Mean Earth frame const double theta_x_rad = 0.285 * libra::arcsec_to_rad; const double theta_y_rad = 78.580 * libra::arcsec_to_rad; const double theta_z_rad = 67.573 * libra::arcsec_to_rad;