Astronomical highlights for the week of May 28th.

Weather
Stars

Highlights

  • Jupiter and the waxing gibbous Moon will be separated by less than 4 degrees tonight, May 27
  • Saturn and the Moon will be separated by less than 2 degrees Thursday night May 31.
  • Keep an eye out for images Thursday of the moon Io casting its shadow onto the bright cloud tops of Jupiter between 11:07 p.m. EDT and 1:17 a.m.
  • Tue May 29 10:19:32: full moon
  • Wed Jun 06 14:31:41: last quarter moon

 

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 KR

2018-05-28 19:01Z

< 1 sec

15.7

~4

68347

2018-05-29 02:46Z

< 1 sec

9.5

~2.55

2018 KN2

2018-05-29 15:11Z

< 1 sec

6.1

~1.55

2013 LE7

2018-05-31 05:05Z

< 1 sec

17.7

4+

2018 KE1

2018-06-01 06:09Z

~1 hour

10.8

~3

Closest

within

object

close approach date

uncertainty

lunar distances

million
miles

~14 days

2018 KN2

2018-05-29 15:11Z

< 1 sec

6.1

~1.55

~1 year

2015 EG

2019-03-04 20:52Z

1+ hour

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 (92%)

05:18:16

12:29:46 (68°)

19:42:51

Taurus

Venus (81%)

08:00:17

15:37:14 (74°)

23:13:01

Gemini

Moon (98%)

19:41:36

00:08:27 (36°)

05:29:44

Libra

Mars

00:36:16

05:19:25 (28°)

10:02:35

Capricornus

Saturn

22:44:12

03:24:45 (27°)

08:05:18

Sagittarius

Jupiter

18:34:40

23:46:47 (34°)

04:54:28

Libra

Sample rise/set times for 05/28/18

Satellite passes

International Space Station (ISS)

  • poor pass begins Tue 2018-05-29 00:17:35 from the NNW (326°) reaches 25°, lasts 2 minute
  • poor pass begins Thu 2018-05-31 00:08:41 from the NW (317°) reaches 45°, lasts 2 minute
  • poor pass begins Thu 2018-05-31 23:16:17 from the NW (324°) reaches 28°, lasts 3 minutes
  • poor pass begins Fri 2018-06-01 23:59:55 from the NW (304°) reaches 77°, lasts 1 minute
  • good pass begins Sat 2018-06-02 23:07:22 from the NW (314°) reaches 55°, lasts 3 minutes
  • fair pass begins Sun 2018-06-03 22:14:55 from the NW (322°) reaches 32°, lasts 5 minutes
  • poor pass begins Mon 2018-06-04 21:22:32 from the NNW (329°) reaches 22°, lasts 5 minutes
  • good pass begins Mon 2018-06-04 22:58:37 from the WNW (301°) reaches 61°, lasts 3 minutes
  • outstanding pass begins Tue 2018-06-05 22:06:01 from the NW (311°) reaches 67°, lasts 5 minutes
  • poor pass begins Wed 2018-06-06 22:50:13 from the WNW (283°) reaches 24°, lasts 3 minutes
  • good pass begins Thu 2018-06-07 21:57:18 from the WNW (297°) reaches 48°, lasts 5 minutes

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

Tue 2018-05-29 10:19:32

full

Wed 2018-06-06 14:31:41

last quarter

Wed 2018-06-13 15:43:13

new

Wed 2018-06-20 06:50:51

first quarter

Sun

Sunrise/set

Date

Rise

Solar noon (alt)

Set

sunlight

Mon 2018-05-28

05:47

13:11 (71.05°)

20:35

14 hrs 47 min

Tue 2018-05-29

05:47

13:11 (71.20°)

20:36

14 hrs 48 min

Wed 2018-05-30

05:46

13:11 (71.35°)

20:36

14 hrs 50 min

Thu 2018-05-31

05:46

13:11 (71.50°)

20:37

14 hrs 51 min

Fri 2018-06-01

05:45

13:12 (71.63°)

20:38

14 hrs 52 min

Sat 2018-06-02

05:45

13:12 (71.76°)

20:39

14 hrs 53 min

Sun 2018-06-03

05:45

13:12 (71.88°)

20:39

14 hrs 54 min

Mon 2018-06-04

05:44

13:12 (72.00°)

20:40

14 hrs 55 min

Tue 2018-06-05

05:44

13:12 (72.11°)

20:41

14 hrs 56 min

Wed 2018-06-06

05:44

13:12 (72.21°)

20:41

14 hrs 57 min

  • gained 0:10:06 (hh:mm:ss) of daylight over this period
  • daylight (HH:MM): 14:52
  • mean: sunrise 05:46 sunset 20:39
  • max: sun angle 72.21°

Twilight

date

rise

set

Mon 2018-05-28

03:46

22:35

Tue 2018-05-29

03:45

22:36

Wed 2018-05-30

03:44

22:37

Thu 2018-05-31

03:43

22:38

Fri 2018-06-01

03:42

22:40

Sat 2018-06-02

03:41

22:41

Sun 2018-06-03

03:40

22:42

Mon 2018-06-04

03:40

22:43

Tue 2018-06-05

03:39

22:44

Wed 2018-06-06

03:38

22:45

Astronomical Seasons

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

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