Merge pull request #515 from ut-issl/feature/add-comment-moon-rotation

Add comment for Moon rotation correction value
ut-issl · Oct 13, 2023 · b42ab50 · b42ab50
2 parents f83ce70 + b4d37b2
commit b42ab50
Showing 1 changed file with 1 addition and 0 deletions.
diff --git 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;