Asteroids - Meteors

Meteor Showers

Timetable in Universal Time for major meteor showers, including Moon illumination data

Best observing generally after local midnight and before morning twilight

Stellar Magnitudes of Brightest Asteroids

Graph showing the stellar magnitudes of the brightest asteroids during the coming months

Asteroid 1 Ceres - Ephemeris

Largest and most massive main belt asteroid (also classified as dwarf planet)

Mean diameter 945 km - Discovered 1801

Asteroid 4 Vesta - Ephemeris

Brightest asteroid - Occasionally visible for sharp naked eyes in dark skies

Mean diameter 525 km - Discovered 1807


© Curt Renz

Asteroid MS Asteroid BA Asteroid 1 Asteroid 7 Asteroid 8 Asteroid 9 Asteroid 4 Asteroid 6

Asteroid 2 Pallas - Ephemeris

Unusually 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

Asteroid 2 Asteroid 3

Asteroid 6 Hebe - Ephemeris

Very dense asteroid

Mean diameter 186 km - Discovered 1847

Asteroid 7 Iris - Ephemeris

Stony asteroid

Mean diameter 199 km - Discovered 1847

Asteroid 8 Flora - Ephemeris

Innermost large asteroid

Mean diameter 128 km - Discovered 1847

Asteroid 9 Metis - Ephemeris

Possibly core of larger destroyed asteroid

Mean diameter 190 km - Discovered 1848

Asteroid Ephemerides - Current Date & J2000 Coordinates

Decimal coordinates are posted to ease interpolation, since few observations are likely to be made at 00:00:00 UT. Highly accurate Solex osculating elements have been utilized.

Asteroid 15 Eunomia - Ephemeris

Most massive stony asteroid

Mean diameter 268 km - Discovered 1851

Asteroid 18 Melpomene - Ephemeris

Possibly has satellite

Mean diameter 141 km - Discovered 1852

Asteroid 20 Massalia - Ephemeris

Low inclination to ecliptic

Mean diameter 145 km - Discovered 1852

Asteroid 192 Nausikaa - Ephemeris

Possibly has satellite

Mean diameter 98 km - Discovered 1879

Asteroid 324 Bamberga - Ephemeris

High orbital eccentricity

Mean diameter 232 km - Discovered 1892

Asteroid 433 Eros - Ephemeris

Near Earth object (NEO)

Mean diameter 17 km - Discovered 1898

Asteroid 134340 Pluto - Ephemeris

Also dwarf planet, minor planet, plutoid, trans-neptunian object & Kuiper belt object

Mean diameter 2374 km - Discovered 1930

Asteroid 15 Asteroid 18 Asteroid 20 Asteroid 192 Asteroid 324 Asteroid 433 Asteroid 134340

     ASTEROID & METEOR CALENDAR


2016 MAY 29: Asteroid 7 Iris in opposition to the Sun at magnitude +9.2


2016 JUN 11: Asteroid 8 Flora in opposition to the Sun at magnitude +9.4


2016 JUL 07: Asteroid 134340 Pluto in opposition to the Sun at magnitude +14.0


2016 AUG 01: Asteroid 20 Massalia in opposition to the Sun at magnitude +9.9


2016 AUG 11-12: Peak night for the annual Perseid meteor shower - Waxing gibbous Moon


2016 AUG 20: Asteroid 433 Eros in opposition to the Sun at magnitude +12.0


2016 AUG 22: Asteroid 2 Pallas in opposition to the Sun at magnitude +9.2


2016 OCT 20-21: Peak night for the annual Orionid meteor shower - Waning gibbous Moon


2016 OCT 21: Asteroid 1 Ceres in opposition to the Sun at magnitude +7.4


2016 OCT 22: Asteroid 18 Melpomene in opposition to the Sun at magnitude +8.0


2016 NOV 16-17: Peak night for the annual Leonid meteor shower - Waning gibbous Moon


2016 DEC 12-13: Peak night for the annual Geminid meteor shower - Full Moon


2017 JAN 02-03: Peak night for the annual Quadrantid meteor shower - Waxing crescent


2017 JAN 17: Asteroid 4 Vesta in opposition to the Sun at magnitude +6.2


2017 FEB 19: Asteroid 15 Eunomia in opposition to the Sun at magnitude +9.2


2017 FEB  21: Asteroid 9 Metis in opposition to the Sun at magnitude +9.0


2017 MAR 18: Asteroid 192 Nausikaa in opposition to the Sun at magnitude +11.1


2017 JUN 17: Asteroid 6 Hebe in opposition to the Sun at magnitude +9.2





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