@misc{indiciae664251c6a3a0,
  title = {Ulysses orbit determination},
  author = {Gordon, H. J. and Luthey, J. L. and Mcelrath, T. P. and Menon, P. R.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920060687},
  note = {Source identifier: 19920060687}
}