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Posts tagged orbital-mechanics

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356 posts
Tag Only Tag + Children
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Inverse orbital direction

2 answers  ·  last activity 5 months ago by ‭HDE 226868‭

planets orbital-mechanics
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What is the highest theoretical escape velocity a 2 billion metric ton vehicle can achieve using a >20$^{\circ}$ gravitational slingshot?

1 answer  ·  last activity 5 months ago by ‭HDE 226868‭

orbital-mechanics
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How to Calculate Apparent Magnitude/Brightness of Planets from Within the same Solar System

0 answers  ·  last activity 5 months ago by ‭A.E. Stephenson‭

astronomy planets orbital-mechanics optics
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Earth-sized Moon with Host Planet launched from Star System

4 answers  ·  last activity 5 months ago by ‭user76027‭

biology planets moons orbital-mechanics rogue-planets xenobiology
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Is it possible for a moon to stay on the same side of its planet relative to the sun?

3 answers  ·  last activity 6 months ago by ‭LonelyCryptid‭

earth-like reality-check moons orbital-mechanics earth gas-giants gas
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I want ten Earth-years long day on my planet. Can I have it?

6 answers  ·  last activity 6 months ago by ‭Zjerzy‭

climate planets day-night orbital-mechanics
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Binary Star System Build - Alpha Centauri

1 answer  ·  last activity 6 months ago by ‭user72655‭

space planets science-based orbital-mechanics solar-system
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Minimal mass of an Earth-like satellite to seriously deter space travel?

1 answer  ·  last activity 6 months ago by ‭Udon Nomaneim‭

space travel orbital-mechanics space-travel satellites city escape velocity
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Could co-orbital planets also be double planets?

2 answers  ·  last activity 7 months ago by ‭Axion‭

space science-based physics orbital-mechanics astrophysics
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How close an orbit could you get to Earth with a planet-sized object/ship without severely disrupting Earth's orbit?

3 answers  ·  last activity 7 months ago by ‭DWKraus‭

space travel spaceships orbital-mechanics space-travel ships
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If Earth had a sideways axial tilt (like Uranus), would Earth still have tornadoes?

1 answer  ·  last activity 7 months ago by ‭user6760‭

weather orbital-mechanics earth axial-tilt
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What kind of lunar orbit would cause a total solar eclipse to happen once a day?

7 answers  ·  last activity 8 months ago by ‭Double_S‭

orbital-mechanics solar-system
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Are Orbital Rings feasible to construct in another star system?

2 answers  ·  last activity 8 months ago by ‭user72655‭

science-based orbital-mechanics megastructures gas science-fiction dyson-ring
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How long to become a habitable planet

0 answers  ·  last activity 8 months ago by ‭user72655‭

physics orbital-mechanics solar-system habitability astrophysics
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Binary planets that are not tidally locked

1 answer  ·  last activity 8 months ago by ‭user72655‭

planets orbital-mechanics solar-system rogue-planets tidally-locked
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What are the odds that an alien spaceship entering a low Earth orbit would collide with an orbiting body?

4 answers  ·  last activity 8 months ago by ‭WhittlesJr‭

space travel orbital-mechanics space-travel satellites
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Gravity/Ecosystem on a peanut-shaped planet?

2 answers  ·  last activity 8 months ago by ‭DiagonalCorgi‭

environment planets science-based gravity orbital-mechanics
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What would be the impact on Titan, Saturn and the Solar system if aliens harvested as much hydrocarbons as possible from Saturn's moon?

2 answers  ·  last activity 8 months ago by ‭toncha‭

science-based orbital-mechanics solar-system science-fiction
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Would it be more efficient to build fleets in orbit?

9 answers  ·  last activity 8 months ago by ‭user6760‭

space travel spaceships technology orbital-mechanics space-travel shipbuilding ships
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Can a moon orbit a planet's southern pole?

10 answers  ·  last activity 9 months ago by ‭mrkv12‭

moons orbital-mechanics
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How Would These Planets Affect Earth's Eccentricity?

1 answer  ·  last activity 9 months ago by ‭JohnWDailey‭

planets science-based orbital-mechanics solar-system earth alternate-earth
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Habitable Planet with Highly Eliptical Orbit

12 answers  ·  last activity 9 months ago by ‭WillRoss1‭

evolution orbital-mechanics seasons sea species life
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The Nightfall / Kalgash System

1 answer  ·  last activity 9 months ago by ‭Trish‭

science-based orbital-mechanics solar-system
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After surviving a black hole/wormhole, what are the chances of Earth start orbiting in a new solar system?

4 answers  ·  last activity 9 months ago by ‭Dawidek‭

planets orbital-mechanics solar-system black-holes earth rogue-planets
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What if Jupiter and Mars swapped orbits?

2 answers  ·  last activity 9 months ago by ‭mico villena‭

planets orbital-mechanics solar-system
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Would tidal acceleration mean doom for this system?

3 answers  ·  last activity 9 months ago by ‭Axion‭

space moons orbital-mechanics tides
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What size asteroid is needed to move the Sun?

9 answers  ·  last activity 9 months ago by ‭Gerwin‭

science-based stars orbital-mechanics
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Could some natural process on a moon do enough stationkeeping to sustain an impossible orbit?

4 answers  ·  last activity 9 months ago by ‭SRM‭

science-based moons orbital-mechanics
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What did the night sky look like 63 million years ago?

3 answers  ·  last activity 10 months ago by ‭fluffy‭

astronomy orbital-mechanics natural-disasters alternate-history history
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A supermassive black hole is coming our way. When's the latest that we would notice?

3 answers  ·  last activity 10 months ago by ‭bantu‭

astronomy orbital-mechanics black-holes modern-age
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What kind of event, if any, would knock the moon off its orbit, without destroying it?

9 answers  ·  last activity 10 months ago by ‭guido‭

space moons orbital-mechanics apocalypse
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Habitable Planet in the L2 Lagrange Point of a Hot Jupiter

1 answer  ·  last activity 10 months ago by ‭WillRoss1‭

planets orbital-mechanics
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Space elevator off Europa without running into a nearby moon?

2 answers  ·  last activity 10 months ago by ‭levininja‭

space orbital-mechanics space-constructs
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Is it safe to orbit HDE 226868?

5 answers  ·  last activity 10 months ago by ‭HDE 226868‭

astronomy science-based stars orbital-mechanics black-holes
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The major effects on the habitability of exomoons orbiting this Brown Dwarf

2 answers  ·  last activity 10 months ago by ‭Axion‭

planets moons orbital-mechanics solar-system habitability
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General effects (and narrative practicality) of a moon with an extreme elliptic orbit

1 answer  ·  last activity 10 months ago by ‭Tommy‭

moons orbital-mechanics science-fiction
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Ideal sun type and corresponding effects for a terrestrial planet with 256 days in a year?

1 answer  ·  last activity 10 months ago by ‭P. M. B.‭

environment earth-like astronomy orbital-mechanics earth
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Can two moons have intersecting orbits yet be guaranteed not to collide?

5 answers  ·  last activity 11 months ago by ‭Frank Harris‭

physics orbital-mechanics magic
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Is this planet-moon system possible?

4 answers  ·  last activity 11 months ago by ‭Hunt Castle‭

planets moons orbital-mechanics
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What would the effects be on a planet whose moon orbits at a speed just faster than a geosynchronous orbit, so there are more months than days?

1 answer  ·  last activity 11 months ago by ‭StrandsW‭

moons orbital-mechanics tides eclipses geostationary-orbit
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Duplicate Earth and Moon, where should I put it?

3 answers  ·  last activity 11 months ago by ‭Jazzylee‭

orbital-mechanics earth counter-earth
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Are elliptical rings feasible?

1 answer  ·  last activity 11 months ago by ‭Greenie E. - Reinstate Monica‭

reality-check science-based orbital-mechanics planetary-rings
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Navigation on a planet with an eccentric orbit

2 answers  ·  last activity 11 months ago by ‭John Lewis‭

planets orbital-mechanics navigation stoneage
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Feasibility of extra-lunar capture

2 answers  ·  last activity 11 months ago by ‭Darius Arcturus‭

orbital-mechanics satellites
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If the Moon Titan Orbits Earth

1 answer  ·  last activity 11 months ago by ‭JohnWDailey‭

moons day-night orbital-mechanics
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How can an Earth-like moon meet these angular diameter conditions?

4 answers  ·  last activity 11 months ago by ‭overlord - Reinstate Monica‭

planets moons orbital-mechanics solar-system
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Binary World Mechanics

2 answers  ·  last activity 11 months ago by ‭Darius Arcturus‭

astronomy planets orbital-mechanics
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Can an Unstable Ternary Star System Last Several Hundred Years?

2 answers  ·  last activity 11 months ago by ‭overlord - Reinstate Monica‭

reality-check stars orbital-mechanics
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What star can give an earth-like planet a 1-day year?

5 answers  ·  last activity 12 months ago by ‭Vogon Poet‭

reality-check stars orbital-mechanics solar-system
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Can two moons orbit each other while orbiting a much larger planet?

4 answers  ·  last activity 12 months ago by ‭CatParty88‭

astronomy reality-check orbital-mechanics
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