A short series of caches set to accompany Remembering Search the Stars which will take you on a circular walk of about 4km above Buriton, partly along the South Downs Way, and the Milkyway.
Name : Pluto
Type : Ice and rock
Orbital distance : ~4.4-7.4 billion km
Day length : ~6.4 Earth days
Year length : ~90,520 Earth days
Radius : ~1,188 km
Mass : ~1.3*10^27 kg
Points of interest : No-longer officially categorised as a planet, but I'm a child of the '60s so it stays.
Recommended parking for the circuit is at Buriton Pond where there is ample free parking,