Weather

Astronomical highlights for the week.

Here's what you can catch in the sky this week.

Near Earth Objects (NEO)

lunar distance (LD) is the mean distance to the moon ~239k miles. Anything within 1 LD is newsworthy. For more information see NASA's Center for Near Earth Object Studies

This week

object

close approach date

uncertainty

LD

million
miles

2018 GP

2018-04-13 11:04Z

< 1 sec

4.4

~1

2018 GV1

2018-04-13 23:10Z

< 1 sec

4.8

1+

2014 UR

2018-04-14 06:41Z

< 1 sec

9.2

2+

2018 GH2

2018-04-14 22:40Z

~1 hour

14.2

~3.55

2018 GC2

2018-04-17 11:17Z

~1 hour

9.0

2+

2016 JP

2018-04-20 22:36Z

< 1 sec

12.0

<3

2018 GR1

2018-04-21 19:52Z

~1 hour

18.2

~4.55

2012 XL16

2018-04-23 18:38Z

~4 hours

15.8

<4

2018 GH

2018-04-25 09:07Z

~1 hour

14.6

~3.55

Closest

within

object

close approach date

uncertainty

lunar distances

million
miles

~14 days

2018 GP

2018-04-13 11:04Z

< 1 sec

4.4

~1

~1 year

2015 EG

2019-03-04 20:59Z

~1.55 hours

1.2

~0.55

~100 years

2010 RF12

2095-09-06 00:03Z

<2 hours

0.1

~15,290.55 miles

Planet visibility

body (phase)

rise

transit (alt)

set

constellation

Mercury (21%)

05:47:48

11:53:54 (51??)

17:59:44

Pisces

Venus (91%)

07:38:02

14:45:38 (68??)

21:51:41

Aries

Moon (1%)

07:14:37

13:52:51 (58??)

20:40:16

Cetus

Mars

02:09:29

06:46:38 (26??)

11:23:50

Sagittarius

Saturn

01:34:15

06:15:11 (27??)

10:56:08

Sagittarius

Jupiter

21:49:37

02:52:11 (33??)

07:54:47

Libra

Sample rise/set times for 04/16/18

Satellite passes

International Space Station (ISS)

no visible ISS passes predicted during this period

Hubble Space Telescope (HST)

no visible HST passes predicted during this period

See Heavens Above for the latest pass predictions. Satellite pass gradings are based on altitude reached and duration of pass. Higher altitude passes are closer to the observer and generally brighter as a result. Satellites other than ISS are much more difficult to spot.

Moon Phases

date

phase

Sun 2018-04-15 21:57:07

new

Sun 2018-04-22 17:45:34

first quarter

Sun 2018-04-29 20:58:11

full

Mon 2018-05-07 22:08:35

last quarter

Sun

Sunrise/set

Date

Rise

Solar noon (alt)

Set

sunlight

Mon 2018-04-16

06:34

13:13 (59.80??)

19:54

13 hrs 20 min

Tue 2018-04-17

06:32

13:13 (60.15??)

19:55

13 hrs 22 min

Wed 2018-04-18

06:31

13:13 (60.50??)

19:56

13 hrs 25 min

Thu 2018-04-19

06:29

13:13 (60.85??)

19:57

13 hrs 27 min

Fri 2018-04-20

06:28

13:13 (61.19??)

19:58

13 hrs 30 min

Sat 2018-04-21

06:26

13:12 (61.53??)

19:59

13 hrs 32 min

Sun 2018-04-22

06:25

13:12 (61.87??)

20:00

13 hrs 35 min

Mon 2018-04-23

06:24

13:12 (62.20??)

20:01

13 hrs 37 min

Tue 2018-04-24

06:22

13:12 (62.53??)

20:02

13 hrs 40 min

Wed 2018-04-25

06:21

13:12 (62.86??)

20:03

13 hrs 42 min

  • gained 0:22:20 (hh:mm:ss) of daylight over this period
  • daylight (HH:MM): 13:31
  • mean: sunrise 06:28 sunset 19:59
  • max: sun angle 62.86??

Twilight

date

rise

set

Mon 2018-04-16

04:54

21:32

Tue 2018-04-17

04:52

21:33

Wed 2018-04-18

04:50

21:35

Thu 2018-04-19

04:48

21:36

Fri 2018-04-20

04:46

21:38

Sat 2018-04-21

04:44

21:39

Sun 2018-04-22

04:42

21:41

Mon 2018-04-23

04:41

21:42

Tue 2018-04-24

04:39

21:44

Wed 2018-04-25

04:37

21:45

Astronomical Seasons

  • autumnal equinox: Sat 2018-09-22 21:54
  • summer solstice: Thu 2018-06-21 06:07

Calendar

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