Asteroids & Meteors
Meteor Showers
Calendar in Universal Time for major meteor showers including Moon illumination information
Calendar in Universal Time for major meteor showers including Moon illumination information
Asteroid 4 Vesta - Opposition - 2025 MAY 02
A plotting of the asteroid in equatorial coordinates of current date during the months surrounding opposition from the Sun
A plotting of the asteroid in equatorial coordinates of current date during the months surrounding opposition from the Sun
Asteroid 1 Ceres - Ephemeris
Largest main belt asteroid - also dwarf planet Mean diameter 845 km - discovered 1801
Largest main belt asteroid - also dwarf planet Mean diameter 845 km - discovered 1801
Asteroid 2 Pallas - Ephemeris
High orbital inclination and eccentricity Mean diameter 512 km - discovered 1802
High orbital inclination and eccentricity Mean diameter 512 km - discovered 1802
Asteroid 3 Juno - Ephemeris
Second most massive stony asteroid Mean diameter 233 km - discovered 1804
Second most massive stony asteroid Mean diameter 233 km - discovered 1804
Asteroid 4 Vesta - Ephemeris
Brightest asteroid - occasionally naked eye visible Mean diameter 525 km - discovered 1807
Brightest asteroid - occasionally naked eye visible Mean diameter 525 km - discovered 1807
Asteroid 9 Metis - Ephemeris
Possibly core of larger destroyed asteroid
Mean diameter 190 km - Discovered 1848
Possibly core of larger destroyed asteroid
Mean diameter 190 km - Discovered 1848
Asteroid 134340 Pluto - Ephemeris
Also dwarf planet, minor planet, plutino, trans-neptunian object & Kuiper belt object
Mean diameter 2374 km - Discovered 1930
Also dwarf planet, minor planet, plutino, trans-neptunian object & Kuiper belt object
Mean diameter 2374 km - Discovered 1930
The ephemerides are decimal to ease interpolation.