Astronomical highlights this week

Weather
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Highlights

  • May 7, after sunset: Mars will be easy to find just 3 degrees of the 7% illuminated waxing crescent Moon
  • The Eta Aquariid meteor shower technically peaks before dawn Sunday, May 5, but this shower doesn’t have as sharp of a peak as some others and should be visible throughout the week. This is a moderate shower at best, about 3 meteors per hour are expected. Look to the east after the radiant in the constellation Aquarius rises around 4 am local.
  • Sat May 11 21:12:12: first quarter moon

On This Day

  • May 5, 2018, InSight launched from Vandenberg AFB in California to peer inside Mars, it has already detected Marsquakes.

 

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 KK1

2019-05-05 14:40Z

9+ hours

13.9

~3.55

2019 JE

2019-05-05 19:05Z

< 1 sec

2.5

~1

2019 HQ3

2019-05-07 19:31Z

~1 hour

15.7

~4

2019 JM

2019-05-09 12:54Z

~1 hour

3.9

~1

2017 RC

2019-05-09 15:36Z

3+ days

14.4

~3.55

2008 HS3

2019-05-09 22:03Z

< 1 sec

14.5

~3.55

2019 JL

2019-05-12 07:06Z

~4 hours

14.0

~3.55

2018 VX8

2019-05-12 08:55Z

< 1 sec

6.2

~1.55

2019 JG1

2019-05-17 01:49Z

~1.55 hours

5.6

~1.55

2012 KT12

2019-05-17 14:41Z

< 1 sec

4.1

~1

2019 GT1

2019-05-17 23:37Z

< 1 sec

6.1

~1.55

2019 JR1

2019-05-18 17:43Z

2+ hours

16.2

<4

Closest

within

object

close approach date

uncertainty

lunar distances

million
miles

~14 days

2019 JE

2019-05-05 19:05Z

< 1 sec

2.5

~1

~1 year

2019 JE

2019-05-05 19:05Z

< 1 sec

2.5

~1

~100 years

2010 RF12

2095-09-06 00:03Z

~4.55 hours

0.1

~15,290.55 miles

Planet visibility

body (phase)

rise

transit (alt)

set

constellation

Mercury (84%)

05:34:31

12:10:36 (59??)

18:48:10

Pisces

Venus (89%)

05:07:30

11:30:54 (56??)

17:55:10

Pisces

Moon (1%)

07:27:48

14:45:06 (68??)

21:04:26

Taurus

Mars

08:15:30

15:49:41 (74??)

23:24:55

Taurus

Saturn

01:02:10

05:46:12 (28??)

10:30:14

Sagittarius

Jupiter

23:10:06

03:49:19 (27??)

08:28:31

Ophiuchus

Sample rise/set times for 05/06/19

Satellite Passes

This information is best used to identify passes worth sharing or skipping. Those nearest overhead are closest, brightest, and longest. Check dates and times for each pass before your share.

International Space Station (ISS)

  • below trees pass begins Mon 2019-05-06 05:17:16 EDT from the NW (314°) reaches 14°, lasts 3 minutes
  • below trees pass begins Wed 2019-05-08 05:13:03 EDT from the NNW (332°) reaches 12°, lasts 2 minutes
  • below trees pass begins Fri 2019-05-10 05:08:15 EDT from the NNW (338°) reaches 13°, lasts 3 minutes
  • below trees pass begins Sun 2019-05-12 05:02:58 EDT from the NNW (334°) reaches 16°, lasts 4 minutes
  • poor pass begins Tue 2019-05-14 04:57:31 EDT from the NNW (327°) reaches 24°, lasts 5 minutes

Atmospheric drag and other factors can and does cause orbits to change. See the European Space Agency supported Heavens Above for the latest pass predictions. Satellite pass gradings are based on altitude reached and duration of the 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

Sat 2019-05-11 21:12:12

first quarter

Sat 2019-05-18 17:11:19

full

Sun 2019-05-26 12:33:33

last quarter

Mon 2019-06-03 06:01:55

new

Sun

Sunrise/set

Date

Rise

Solar noon (alt)

Set

sunlight

Mon 2019-05-06

06:07

13:10 (66.11??)

20:14

14 hrs 7 min

Tue 2019-05-07

06:06

13:10 (66.39??)

20:15

14 hrs 9 min

Wed 2019-05-08

06:05

13:10 (66.66??)

20:16

14 hrs 11 min

Thu 2019-05-09

06:04

13:10 (66.93??)

20:17

14 hrs 13 min

Fri 2019-05-10

06:03

13:10 (67.20??)

20:18

14 hrs 15 min

Sat 2019-05-11

06:01

13:10 (67.45??)

20:19

14 hrs 17 min

Sun 2019-05-12

06:00

13:10 (67.71??)

20:20

14 hrs 19 min

Mon 2019-05-13

05:59

13:10 (67.96??)

20:21

14 hrs 21 min

Tue 2019-05-14

05:58

13:10 (68.20??)

20:22

14 hrs 23 min

Wed 2019-05-15

05:57

13:10 (68.44??)

20:23

14 hrs 25 min

  • gained 0:18:27 (hh:mm:ss) of daylight over this period
  • daylight (HH:MM): 14:16
  • mean: sunrise 06:03 sunset 20:19
  • max: sun angle 68.44??

Twilight

date

rise

set

Mon 2019-05-06

04:18

22:02

Tue 2019-05-07

04:16

22:03

Wed 2019-05-08

04:14

22:05

Thu 2019-05-09

04:13

22:06

Fri 2019-05-10

04:11

22:08

Sat 2019-05-11

04:10

22:09

Sun 2019-05-12

04:08

22:11

Mon 2019-05-13

04:06

22:12

Tue 2019-05-14

04:05

22:14

Wed 2019-05-15

04:03

22:15

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