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  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 by naked eyes

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 & J2000.0 Coordinates

Decimal coordinates are posted to ease interpolation, since few observations are likely to be made at precisely 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


2018 JUN 10: Asteroid 192 Nausikaa in opposition to the Sun at magnitude +10.5


2018 JUN 16: Asteroid 9 Metis in opposition to the Sun at magnitude +9.7


2018 JUN 19: Asteroid 4 Vesta in opposition to the Sun at magnitude +5.3


2018 JUL 12: Asteroid 134340 Pluto in opposition to the Sun at magnitude +14.4


2018 AUG 12-13: The peak night for the annual Perseid Meteor Shower - Waxing Crescent Moon


2018 OCT 20-21: The peak night for the annual

Orionid Meteor Shower - Waxing Gibbous Moon


2018 NOV 16: Asteroid 3 Juno in opposition to the Sun at magnitude +7.4


2018 NOV 16-17: The peak night for the annual Leonid Meteor Shower - Waning Gibbous Moon


2017 DEC 13-14: The peak night for the annual Geminid Meteor Shower - Waxing Crescent Moon


2018 DEC 17: Asteroid 433 Eros in opposition to the Sun at magnitude +9.1


2018 DEC 29: Asteroid 6 Hebe in opposition to the Sun at magnitude +8.4


2019 JAN 03-04: The peak night for the annual Quadrantid Meteor Shower - Waning Crescent Moon


2019 JAN 21: Asteroid 324 Bamberga in opposition to the Sun at magnitude +10.4


2019 APR 05: Asteroid 7 Iris in opposition to the Sun at magnitude +9.4


2019 APR 06: Asteroid 2 Pallas in opposition to the Sun at magnitude +7.9


2019 APR 22-23: The peak night for the annual Lyrid Meteor Shower - Waning Gibbous Moon


2019 MAY 05-06: The peak night for the annual Eta Aquariid Meteor Shower - Waxing Crescent Moon


2019 MAY 11: Asteroid 8 Flora in opposition to the Sun at magnitude +9.7


2019 MAY 20: Asteroid 20 Massalia in opposition to the Sun at magnitude +9.7


2019 MAY 28: Asteroid 1 Ceres in opposition to the Sun at magnitude +7.0


2019 JUL 02: Asteroid 18 Melpomene in opposition to the Sun at magnitude +9.2



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