Astronomy - 06.2019

PATHOF THE

PLANETS

The planets

in the sky

These illustrations show the size, phase, and orientation of each planet and the two brightest dwarf planets at 0h UT

for the dates in the data table at bottom. South is at the top to match the view through a telescope.

The planets in June 2019

CAS

AND

TRI

ARI

CET

CAS

PEG

SCL

SGE

EQU

LAC

AQR

CAP

PsA MIC

GRU CrA

SGR

SCT

AQL SER

LY R

CYG

VUL

PER

AUR

LY N

SCO

OPH

HER

DRA

CrB B

SER

LIB

L U

PSC

TAU

FOR

ERI

ORI

COL CAE

LEP

PHE

OObbjejeccts ts vvisiisibble le bbefoeforre e ddaawnwn

Moon phases Dawn Midnight

Path^ of^ the^ Moon^

Dawn Midnight

Celestial equator

Uranus

Neptune

Venus

Sun

Eunomia

Melpomene Ceres

Parthenope

Jupiter appears at its

best for the year in June

Pluto

Saturn

5 4 3 12

30 29 28 2324252627 22 21 20 19 18 17 16 15

Venus

Mars

Mercury

Ceres

Uranus

Saturn

Neptune

Pluto

10"

S

WE

N

Jupiter

40 ASTRONOMY • JUNE 2019

Planets MERCURY VENUS MARS CERES JUPITER SATURN URANUS NEPTUNE PLUTO

Date June 15 June 15 June 15 June 15 June 15 June 15 June 15 June 15 June 15

Magnitude –0.1 –3.8 1.8 7.4 –2.6 0.2 5.9 7.9 14.2

Angular size 6.8" 10.2" 3.8" 0.7" 46.0" 18.2" 3.4" 2.3" 0.1"

Illumination 56% 96% 98% 100% 100% 100% 100% 100% 100%

Distance (AU) from Earth 0.983 1.638 2.497 1.801 4.285 9.124 20.503 29.832 32.927

Distance (AU) from Sun 0.401 0.723 1.641 2.777 5.298 10.051 19.843 29.936 33.819

Right ascension (2000.0) 7h12.1m 4h21.1m 7h22.7m 16h08.0m 17h10.9m 19h20.7m 2h11.7m 23h19.1m 19h36.6m

Declination (2000.0) 24°13' 20°40' 23°16' –18°07' –22°23' –21°47' 12°4 4' –5°30' –21°58'