Planitiae on Mercury
16 named features carry the IAU descriptor Planitia — a low plain on Mercury, out of 83 in the mapped Solar System.
Named
16
of 606 named places on Mercury — 2.6%
Largest
3,450 km
Borealis Planitia
Median size
813 km
Across the 16 with a measured diameter
Named between
1976–2017
IAU approval dates
How planitiae on Mercury get their names
The IAU assigns each feature class on each world a naming theme. Across the 16 planitiae with a recorded origin, 15 categories appear, led by Latin.
Latin2Greek1Ireland1Egypt1New Zealand1Swahili1India1Akkadian (Accadian)1
All 16 planitiae on Mercury
Every one has its own page, on the surface it sits on.
Borealis Planitia3,450 kmStilbon Planitia1,550 kmCaloris Planitia1,500 kmMearcair Planitia1,175 kmSobkou Planitia1,128 kmAparangi Planitia1,077 kmUtaridi Planitia930 kmBudh Planitia816 kmPapsukkal Planitia810 kmTir Planitia754 kmTurms Planitia622 kmLugus Planitia574 kmSuisei Planitia569 kmSihtu Planitia565 kmOdin Planitia473 kmOtaared Planitia470 km
Planitiae elsewhere in the Solar System
The same descriptor is used on 8 other worlds, for 67 more features.