Probing the Hill Sphere of 2014 MU$_69$ with HST FGS
Proceedings article published in 2017 by
J. Kammer,
T.~M Becker,
K.~D Retherford,
S.~A Stern,
C. Olkin 
,
M.~W Buie,
J.~R Spencer,
A.~S Bosh,
L.~H Wasserman
,
M.~W Buie,
J.~R Spencer,
A.~S Bosh,
L.~H Wasserman
