User Mike G

20

votes

1

answer

649

views

What are Kepler's laws (as he wrote them)?

Nov 15 at 20:12 Connor Garcia♦ 10.6k

18

votes

3

answers

269

views

Why are asteroids with zero orbital inclination rare?

asteroids orbital-mechanics orbital-resonance

Dec 21 at 17:13 ProfRob 102k

8

votes

3

answers

280

views

Is the barycenter of the solar system usually outside of the sun?

the-sun orbit solar-system

Aug 30 at 19:04 PM 2Ring 5,634

7

votes

1

answer

223

views

Saturn's tropical year?

planet orbit orbital-elements

Jun 14 '18 at 22:02 PaulS 221

7

votes

1

answer

1k

views

Effect of the obliquity of the ecliptic / tilt of the Earth on the equation of time

the-sun earth obliquity time

Mar 23 '18 at 19:34 Mike G 16.2k

4

votes

0

answers

88

views

Gravitational Slingshot

orbit newtonian-gravity

Jan 15 '20 at 22:14 DarkRunner 141

4

votes

1

answer

116

views

Peculiar Amplitude of Earth's Orbit in Z Axis

orbit solar-system n-body-simulations

Jan 31 '20 at 22:58 Mike G 16.2k

4

votes

0

answers

117

views

How to design a static heliostat?

the-sun tracker

Mar 26 at 15:44 uhoh 30.6k

4

votes

0

answers

66

views

What about the U planet?

observational-astronomy 9th-planet hypothetical

Jun 30 at 13:03 John 1,508

4

votes

1

answer

68

views

How common are telescopes with the finder scope on the right side?

telescope amateur-observing

Jul 11 at 0:26 uhoh 30.6k

3

votes

3

answers

140

views

How can you determine the date using nothing but a star chart from the day and the time?

star time positional-astronomy star-maps

Jun 6 at 9:01 CommunityBot 1

3

votes

1

answer

141

views

Is this how stars’ right ascensions correlate to planets’ longitudes on a 2d map?

planet solar-system coordinate right-ascension star-maps

Jun 2 at 19:49 Pierre Paquette 3,566

3

votes

1

answer

293

views

Spacing (2422 days) between solar eclipses - unrelated saros numbers

solar-eclipse

Apr 7 '18 at 1:42 Mike G 16.2k

3

votes

1

answer

80

views

Why is planet visible very good in a specific time of the year?

planet time

Sep 1 at 8:09 ALiCe P. 541

3

votes

1

answer

55

views

What image analysis approaches/algorithms are used to detect near-Earth objects?

asteroids software algorithm

Sep 7 at 10:41 Lariliss 80

2

votes

1

answer

215

views

How to calculate local position, knowing the RA and Dec of the center of an image, RPY of the camera, and precise time?

Aug 4 '20 at 22:33 stretch 933

2

votes

1

answer

1k

views

How to construct a sky map

star amateur-observing positional-astronomy python

Jul 8 '18 at 19:14 lly 135

2

votes

0

answers

184

views

Code for getting the pixel coordinates of an object with known RA DEC not working

coordinate

Sep 4 '18 at 11:40 observer 21

2

votes

0

answers

89

views

2D Distorted Star Map for Pasting on Sphere Surface

star-maps

Oct 7 '18 at 14:50 Glorfindel 3,620

2

votes

0

answers

54

views

Keplerian Elements for the Moon and Earth around their Barycenter

the-moon earth natural-satellites kepler earths-orbit

Jun 12 '20 at 21:01 Jee 235

2

votes

2

answers

156

views

Does the Sun and Moon basically appear to "move on the sky" identically regardless of location and date?

the-sun the-moon earth night-sky

Oct 17 '20 at 13:42 David Hammen 24k

2

votes

0

answers

32

views

How accurate is the "Equation of time" (mean time to actual solar time)? And how much can it vary from the average?

time

Dec 21 at 19:51 George Lee 21

2

votes

2

answers

131

views

Solar Azimuth angle Derivation

coordinate declination ecliptic azimuth horizon

Mar 15 at 6:41 slowerthanstopped 555

1

vote

2

answers

336

views

How to calculate the period of a lunar mansion?

the-moon

Feb 22 at 21:21 Mike G 16.2k

1

vote

1

answer

125

views

Halley's Comet duration of visibility

halleys-comet

Feb 14 at 6:16 planetmaker 7,814

1

vote

1

answer

62

views

Understanding date of astronomical events

equinox

Dec 20 at 21:23 User123 2,507

1

vote

0

answers

73

views

When will 2002 MS4 be named?

naming trans-neptunian-object iau

Jun 19 at 14:49 John 1,508

1

vote

1

answer

64

views

Understanding the difference between local time and local sidereal time

coordinate time

Jun 25 at 15:02 stretch 933

1

vote

1

answer

62

views

What are the aspects does the moon differs between cities located on the same latitude?

the-moon coordinate night-sky moon-phases ephemeris

Jul 14 at 4:14 TazAstroSpacial 956

1

vote

1

answer

77

views

Relation between phase and magnitude

moon-phases apparent-magnitude magnitude

Jun 21 '19 at 20:21 earnric 219

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What are Kepler's laws (as he wrote them)?

Why are asteroids with zero orbital inclination rare?

Is the barycenter of the solar system usually outside of the sun?

Saturn's tropical year?

Effect of the obliquity of the ecliptic / tilt of the Earth on the equation of time

Gravitational Slingshot

Peculiar Amplitude of Earth's Orbit in Z Axis

How to design a static heliostat?

What about the U planet?

How common are telescopes with the finder scope on the right side?

How can you determine the date using nothing but a star chart from the day and the time?

Is this how stars’ right ascensions correlate to planets’ longitudes on a 2d map?

Spacing (2422 days) between solar eclipses - unrelated saros numbers

Why is planet visible very good in a specific time of the year?

What image analysis approaches/algorithms are used to detect near-Earth objects?

How to calculate local position, knowing the RA and Dec of the center of an image, RPY of the camera, and precise time?

How to construct a sky map

Code for getting the pixel coordinates of an object with known RA DEC not working

2D Distorted Star Map for Pasting on Sphere Surface

Keplerian Elements for the Moon and Earth around their Barycenter

Does the Sun and Moon basically appear to "move on the sky" identically regardless of location and date?

How accurate is the "Equation of time" (mean time to actual solar time)? And how much can it vary from the average?

Solar Azimuth angle Derivation

How to calculate the period of a lunar mansion?

Halley's Comet duration of visibility

Understanding date of astronomical events

When will 2002 MS4 be named?

Understanding the difference between local time and local sidereal time

What are the aspects does the moon differs between cities located on the same latitude?

Relation between phase and magnitude