Astronomical highlights this week

Weather
Finding Mars and Venus

Highlights

  • 2019 is the 150th birthday of Mendeleev’s Periodic Table of Chemical Elements and a recent survey (n=1263) found that 22% of American adults surveyed could not name a single element. 57% said science plays a role in their daily lives and 45% felt it important to stay up-to-day, 24% complained about accessibility and 17% found staying up-to-date intimidating. (slide deck)
  • Look for Venus about an hour before sunrise, at 3x brighter than Jupiter (the 2nd brightest planet), you should be able to catch it with a tower camera.
  • Mon Jun 03 06:01:55: new moon
  • Mon Jun 10 01:59:16: first quarter moon

On This Day

  • June 2, 1966: Surveyor 1 becomes the first US spacecraft to make a soft landing on the Moon.
  • June 4, 1974: Construction begins on the space shuttle orbiter Enterprise
  • June 10, 2003: Mars Rover Spirit launched, mission lasted 2695 Sols, extending the planned primary mission by 30x.

Finding Mars and Mercury

Use Mars as your guide to find Mercury after sunset, low on the western horizon. Use your outstretched hand (works at any age) to measure 5 and 10 degrees

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

2019 KY3

2019-06-02 05:21Z

< 1 sec

2.3

~1

2019 KH1

2019-06-02 08:10Z

< 1 sec

10.6

~3

2010 WH1

2019-06-02 08:42Z

< 1 sec

18.0

~4.55

2012 KZ41

2019-06-03 23:43Z

< 1 sec

3.8

<1

2019 KY

2019-06-04 11:38Z

~1 hour

5.5

~1.55

2019 KS

2019-06-04 19:42Z

< 1 sec

12.2

~3

2019 KA4

2019-06-05 06:23Z

< 1 sec

8.4

~2

2019 KA3

2019-06-06 03:25Z

< 1 sec

3.9

~1

2019 JX2

2019-06-06 08:05Z

< 1 sec

13.7

~3.55

2014 MF18

2019-06-06 20:07Z

3+ days

8.7

~2

2019 KZ3

2019-06-07 21:45Z

~1 hour

5.6

~1.55

2019 KG3

2019-06-11 06:15Z

< 1 sec

16.3

<4

2013 YA14

2019-06-14 17:49Z

~5.55 days

14.6

~3.55

2019 KJ

2019-06-14 18:15Z

~1 hour

12.6

~3

Closest

within

object

close approach date

uncertainty

lunar distances

million
miles

~14 days

2019 KY3

2019-06-02 05:21Z

< 1 sec

2.3

~1

~1 year

2019 KY3

2019-06-02 05:21Z

< 1 sec

2.3

~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 (82%)

06:36:31

14:17:04 (75??)

21:52:53

Taurus

Venus (94%)

04:46:24

11:51:48 (67??)

18:57:58

Taurus

Moon (0%)

06:04:23

13:30:04 (69??)

21:02:18

Taurus

Mars

07:45:49

15:18:34 (74??)

22:52:33

Gemini

Saturn

23:09:01

03:52:24 (28??)

08:35:46

Sagittarius

Jupiter

21:06:48

01:46:34 (27??)

06:26:22

Ophiuchus

Sample rise/set times for 06/03/19

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)

  • good pass begins Sun 2019-06-02 21:54:13 EDT from the NW (315°) reaches 50°, enters Earth’s shadow 20° above the horizon 5 minutes later
  • good pass begins Tue 2019-06-04 21:51:57 EDT from the WNW (300°) reaches 60°, enters Earth’s shadow 22° above the horizon 5 minutes later
  • poor pass begins Thu 2019-06-06 21:50:13 EDT from the W (279°) reaches 21°, enters Earth’s shadow 12° above the horizon 4 minutes later

Starlink (SpaceX)

The info below can and will change as these satellites are moved into their final orbits. Use the Heavens Above link below for up to date predictions

  • pass begins Sun 2019-06-02 21:11:46 EDT from the WNW (287°) reaches 20°, lasts 5 minutes
  • pass begins Sun 2019-06-02 22:51:59 EDT from the NNW (338°) reaches 11°, lasts 2 minutes
  • pass begins Mon 2019-06-03 00:29:28 EDT from the NNW (336°) reaches 17°, enters Earth’s shadow 14° above the horizon 4 minutes later
  • pass begins Mon 2019-06-03 02:06:25 EDT from the NW (312°) reaches 17°, enters Earth’s shadow 17° above the horizon 56 seconds later
  • pass begins Mon 2019-06-03 22:17:00 EDT from the NNW (334°) reaches 12°, lasts 2 minutes
  • pass begins Mon 2019-06-03 23:54:50 EDT from the NNW (338°) reaches 16°, enters Earth’s shadow 10° above the horizon 4 minutes later
  • pass begins Tue 2019-06-04 01:31:44 EDT from the NW (315°) reaches 22°, enters Earth’s shadow 22° above the horizon 1 minutes later
  • pass begins Tue 2019-06-04 21:41:59 EDT from the NNW (329°) reaches 12°, lasts 2 minutes
  • pass begins Tue 2019-06-04 23:20:13 EDT from the NNW (340°) reaches 14°, lasts 4 minutes
  • pass begins Wed 2019-06-05 00:57:04 EDT from the NW (319°) reaches 28°, enters Earth’s shadow 28° above the horizon 2 minutes later
  • pass begins Wed 2019-06-05 22:45:34 EDT from the NNW (341°) reaches 13°, lasts 3 minutes
  • pass begins Thu 2019-06-06 00:22:24 EDT from the NW (322°) reaches 33°, enters Earth’s shadow 33° above the horizon 2 minutes later
  • pass begins Thu 2019-06-06 22:10:55 EDT from the NNW (342°) reaches 12°, lasts 3 minutes
  • pass begins Thu 2019-06-06 23:47:46 EDT from the NW (325°) reaches 30°, enters Earth’s shadow 30° above the horizon 3 minutes later
  • pass begins Fri 2019-06-07 21:36:14 EDT from the NNW (343°) reaches 12°, lasts 2 minutes
  • pass begins Fri 2019-06-07 23:13:08 EDT from the NNW (328°) reaches 26°, enters Earth’s shadow 21° above the horizon 4 minutes later
  • pass begins Sat 2019-06-08 00:50:27 EDT from the WNW (299°) reaches 15°, enters Earth’s shadow 15° above the horizon 46 seconds later
  • pass begins Sat 2019-06-08 22:38:31 EDT from the NNW (331°) reaches 22°, enters Earth’s shadow 13° above the horizon 5 minutes later
  • pass begins Sun 2019-06-09 00:15:41 EDT from the NW (304°) reaches 27°, enters Earth’s shadow 27° above the horizon 1 minutes later
  • pass begins Sun 2019-06-09 22:03:54 EDT from the NNW (333°) reaches 19°, lasts 5 minutes
  • pass begins Sun 2019-06-09 23:40:56 EDT from the NW (308°) reaches 51°, enters Earth’s shadow 51° above the horizon 2 minutes later
  • pass begins Mon 2019-06-10 21:29:17 EDT from the NNW (336°) reaches 17°, lasts 5 minutes
  • pass begins Mon 2019-06-10 23:06:14 EDT from the NW (312°) reaches 74°, enters Earth’s shadow 70° above the horizon 3 minutes later
  • pass begins Tue 2019-06-11 22:31:34 EDT from the NW (316°) reaches 57°, enters Earth’s shadow 33° above the horizon 4 minutes later
  • pass begins Wed 2019-06-12 00:10:00 EDT from the W (273°) reaches 11°, enters Earth’s shadow 11° above the horizon 16 seconds later

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

Mon 2019-06-03 06:01:55

new

Mon 2019-06-10 01:59:16

first quarter

Mon 2019-06-17 04:30:38

full

Tue 2019-06-25 05:46:22

last quarter

Sun

Sunrise/set

Date

Rise

Solar noon (alt)

Set

sunlight

Mon 2019-06-03

05:45

13:12 (71.86??)

20:39

14 hrs 54 min

Tue 2019-06-04

05:44

13:12 (71.98??)

20:40

14 hrs 55 min

Wed 2019-06-05

05:44

13:12 (72.09??)

20:41

14 hrs 56 min

Thu 2019-06-06

05:44

13:12 (72.19??)

20:41

14 hrs 57 min

Fri 2019-06-07

05:44

13:13 (72.29??)

20:42

14 hrs 58 min

Sat 2019-06-08

05:43

13:13 (72.38??)

20:42

14 hrs 58 min

Sun 2019-06-09

05:43

13:13 (72.47??)

20:43

14 hrs 59 min

Mon 2019-06-10

05:43

13:13 (72.55??)

20:43

15 hrs 0 min

Tue 2019-06-11

05:43

13:13 (72.62??)

20:44

15 hrs 1 min

Wed 2019-06-12

05:43

13:14 (72.68??)

20:44

15 hrs 1 min

  • gained 0:07:15 (hh:mm:ss) of daylight over this period
  • daylight (HH:MM): 14:57
  • mean: sunrise 05:44 sunset 20:42
  • max: sun angle 72.68??

Twilight

date

rise

set

Mon 2019-06-03

03:41

22:42

Tue 2019-06-04

03:40

22:43

Wed 2019-06-05

03:39

22:44

Thu 2019-06-06

03:39

22:45

Fri 2019-06-07

03:38

22:46

Sat 2019-06-08

03:37

22:47

Sun 2019-06-09

03:37

22:48

Mon 2019-06-10

03:36

22:49

Tue 2019-06-11

03:36

22:49

Wed 2019-06-12

03:36

22:50

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