PER
AUR
LY N
GEM
CNC
CMa
MON
ANT PYX
CRT
HYA
SEX
LEO
LMi
UMa
TAU
FOR
ERI
LEP
PUP COL CAE
Mercur
y
Early evening
Sun
Path
of^ th
e^ Sun
(eclip
tic)^
Mercury passes just south of
Venus the evening of May 21
Venus
4 3 2 1
31 30 29 28 27 26 25 24 23 22 21
Callisto
Europa
Ganymede
Io
Jupiter
1 2 3 4 5 6 7 8 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Uranus Neptune Pluto
Mars
Ceres
Jupiter
Saturn
10"
N
S
WE
Io
Ganymede
Europa
Callisto
This map unfolds the entire night sky from sunset (at right) until sunrise (at left). Arrows
and colored dots show motions and locations of solar system objects during the month.
JUPITER’S
MOONS
Dots display
positions of
Galilean satellites
at 5 A.M. EDT on
the date shown.
South is at the
top to match the
view through a
telescope.
MAY 2020
May 15
0.2
8.3"
85%
1.127
1.425
22h14.9m
–12°57'
May 15
9.1
0.4"
97%
2.992
2.970
22h42.4m
–17°34'
May 15
–2.4
42.5"
99%
4.635
5.178
19h56.1m
–20°56'
May 15
0.5
17.3"
100%
9.586
10.019
20h15.8m
–19°55'
May 15
5.9
3.4"
100%
20.766
19.802
2h20.7m
13°33'
May 15
- 9
2.2"
100%
30.359
29.931
23h25.9m
–4°49'
May 15
14.7
0.1"
100%
33.527
34.039
19h46.9m
–22°04'
MARS CERES JUPITER SATURN URANUS NEPTUNE PLUTO
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.