What's Changed
* feat: add LVLHGD and LVLHGDGT local orbital frames by vishwa2710 in https://github.com/open-space-collective/open-space-toolkit-astrodynamics/pull/381
* fix: throw error in Profile::getBodyFrame if frame already exists by vishwa2710 in https://github.com/open-space-collective/open-space-toolkit-astrodynamics/pull/388
**Full Changelog**: https://github.com/open-space-collective/open-space-toolkit-astrodynamics/compare/9.1.0...9.1.1