@article{initialorbitdeterminationfromonlyheading,
  title = {Initial Orbit Determination from Only Heading Measurements},
  author = {John A. Christian},
  year = {2022},
  eprint = {2210.10120},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2210.10120v2},
}