4 papers
A Predicted Dearth of Majority Hypervolatile Ices in Oort Cloud Comets
C. M. Lisse, G. R. Gladstone, L. A. Young +30
We present new, ice species-specific New Horizons/Alice upper gas coma production limits from the 01 Jan 2019 MU69/Arrokoth flyby of Gladstone et al. (2021) and use them to make pr…
A Near Surface Temperature Model of Arrokoth
O. M. Umurhan, W. M. Grundy, M. K. Bird +19
A near surface thermal model for Arrokoth is developed based on the recently released facet model of the body. This thermal solution takes into account Arrokoth's surface re…
Initial results from the New Horizons exploration of 2014 MU69, a small Kuiper Belt Object
S. A. Stern, H. A. Weaver, J. R. Spencer +202
The Kuiper Belt is a distant region of the Solar System. On 1 January 2019, the New Horizons spacecraft flew close to (486958) 2014 MU69, a Cold Classical Kuiper Belt Object, a cla…
The Small Satellites of Pluto as Observed by New Horizons
H. A. Weaver, M. W. Buie, B. J. Buratti +48
The New Horizons mission has provided resolved measurements of Pluto's moons Styx, Nix, Kerberos, and Hydra. All four are small, with equivalent spherical diameters of 40…