User Mike G

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1

answer

559

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

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18

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3

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235

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Why are asteroids with zero orbital inclination rare?

asteroids orbital-mechanics orbital-resonance

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7

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211

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Saturn's tropical year?

planet orbit orbital-elements

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6

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1

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953

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

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Mar 23 '18 at 19:34 Mike G 14.1k

4

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0

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82

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Gravitational Slingshot

orbit newtonian-gravity

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4

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1

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113

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Peculiar Amplitude of Earth's Orbit in Z Axis

orbit solar-system n-body-simulations

Jan 31 '20 at 22:58 Mike G 14.1k

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1

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250

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

solar-eclipse

Apr 7 '18 at 1:42 Mike G 14.1k

2

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1

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117

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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 at 22:33 stretch 251

2

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1

answer

1k

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How to construct a sky map

star amateur-observing positional-astronomy python

Jul 8 '18 at 19:14 lly 113

2

votes

0

answers

170

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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

85

views

2D Distorted Star Map for Pasting on Sphere Surface

star-maps

Oct 7 '18 at 14:50 Glorfindel 3,505

2

votes

0

answers

47

views

Keplerian Elements for the Moon and Earth around their Barycenter

the-moon earth natural-satellites kepler earths-orbit

Jun 12 at 21:01 Jee 235

2

votes

2

answers

93

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 at 13:42 David Hammen 20.8k

2

votes

0

answers

32

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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

1

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2

answers

164

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How to calculate the period of a lunar mansion?

the-moon

Feb 22 at 21:21 Mike G 14.1k

1

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1

answer

56

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Halley's Comet duration of visibility

halleys-comet

Feb 14 at 6:16 planetmaker 5,221

1

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1

answer

59

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Understanding date of astronomical events

equinox

Dec 20 at 21:23 User123 1,069

1

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1

answer

74

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Relation between phase and magnitude

moon-phases apparent-magnitude magnitude

Jun 21 '19 at 20:21 earnric 219

1

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1

answer

141

views

How to calculate the orientation of planets at current epoch

planet solar-system rotation

Jun 18 '19 at 7:36 Mike G 14.1k

1

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1

answer

1k

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How to calculate declination of Moon?

the-moon fundamental-astronomy declination

Mar 11 '19 at 12:17 User123 1,069

1

vote

2

answers

457

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Why oddly shaped constellation areas?

constellations

Jun 1 '18 at 18:43 Mike G 14.1k

0

votes

0

answers

50

views

How does the Astronomical Twilight depend on the night length or the day length?

observational-astronomy night-sky twilight

May 10 at 16:14 geek11 1

0

votes

0

answers

124

views

How can one determine the declination range of stars visible for a certain amount of time above a specific airmass at a certain location?

observational-astronomy amateur-observing coordinate

Jan 1 '20 at 2:09 uhoh 25k

-2

votes

2

answers

305

views

Based on what a month determined as of a certain zodiac constellation?

history zodiac

Apr 9 at 7:20 Mike G 14.1k

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

Why are asteroids with zero orbital inclination rare?

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

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

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?

How to calculate the period of a lunar mansion?

Halley's Comet duration of visibility

Understanding date of astronomical events

Relation between phase and magnitude

How to calculate the orientation of planets at current epoch

How to calculate declination of Moon?

Why oddly shaped constellation areas?

How does the Astronomical Twilight depend on the night length or the day length?

How can one determine the declination range of stars visible for a certain amount of time above a specific airmass at a certain location?

Based on what a month determined as of a certain zodiac constellation?