Home > Ephemeris Program, New Horizons > 06/09/2015 – Ephemeris – What’s Pluto Time?

06/09/2015 – Ephemeris – What’s Pluto Time?

June 9, 2015

Ephemeris for Tuesday, June 9th.  Today the Sun will be up for 15 hours and 29 minutes, setting at 9:27.   The Moon, at last quarter today, will rise at 2:19 tomorrow morning.  Tomorrow the Sun will rise at 5:57.

This weekend I received several messages from the New Horizons team and others about Pluto Time.  New Horizons is the spacecraft that will pass through the Pluto system in a bit more than 5 weeks from now.  Pluto Time is the time of day when the landscape around you is lit up as much as the Sun lights up Pluto’s surface from nearly 33 times the Earth’s distance from the sun.  The Sun’s intensity is a bit less than a thousandths that which it appears from the Earth, but still reasonably bright.  For around the northern lower peninsula it’s about 6 minutes after sunset or before sunrise.   To check out the time for yourself go to solarsystem.nasa.gov/plutotime, or use the link from my blog.

Times are for the Traverse City/Interlochen area of Michigan. They may be different for your location.

Addendum

Pluto Time Page

Header for Pluto Time Page. Credit NASA.

Phil Plait yesterday had a post about Pluto Time and a free iPhone and Android app called Pluto Safari.

Also check out the New Horizons Twitter feed @NewHorizons2015.

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