Shadow Chaser: a SmallSat concept to determine the middle and upper atmospheric structures of Uranus and Neptune through stellar-occultation measurements from Earth orbit

Kunio M Sayanagi1, Cindy Young1, William Ryan Saunders2, Michael J Person3, Paul Withers4, Katherine T. McBrayer5, Vianni Ricano Cadenas5, Jordan Klovstad5 and Jon Chrone1, (1)NASA Langley Research Center, Hampton, VA, United States, (2)Boston University, Boston, MA, United States, (3)Massachusetts Institute of Technology, Earth, Atmospheric, and Planetary Sciences, Cambridge, MA, United States, (4)Boston University, Astronomy Department, Boston, United States, (5)NASA Langley Research Center, Hampton, United States