@misc{indiciae5d0e7efa74da,
  title = {Semimajor Axis Estimation Strategies},
  author = {How, Jonathan P. and Alfriend, Kyle T. and Breger, Louis and Mitchell, Megan},
  year = {2004},
  url = {https://ntrs.nasa.gov/citations/20060048538},
  note = {Source identifier: 20060048538}
}