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Litho's user avatar
Litho's user avatar
Litho's user avatar
Litho
  • Member for 8 years, 6 months
  • Last seen this week
13 votes
Accepted

Understanding Von Braun's Math: Theoretical Isp

13 votes
Accepted

Optimal depth for underground flyby?

11 votes
Accepted

How hard does atmospheric drag push on the ISS? Is it more than one pound?

9 votes
Accepted

Object slowest at periapsis - despite correct position calculation

9 votes
Accepted

Where do the numbers 101,972 and 3,600 come from in terms of Thrust-Specific Fuel Consumption (TSFC or SFC)?

8 votes
Accepted

Clohessy-Wiltshire/Hill's Equations - F=ma?

6 votes
Accepted

How to derive the polar form of the equations of motion?

6 votes
Accepted

Do geodesics close on an ellipsoid?

5 votes

Trying To Understand This Characteristic Velocity To Force Problem

5 votes

How do you calculate the percentage of light-speed a ship with a certain delta-v can achieve, accounting for relativistic effects?

4 votes
Accepted

Reference frames - why do I need to convert to Geocentric Equatorial State Vector to solve equation of motion?

4 votes
Accepted

What is the functional form for r(t) for a solar-sail deorbit into the Sun?

4 votes

Why is the velocity of a satellite the result of a sum of two velocities? (clarifying img included)

4 votes
Accepted

Can "prolateness" be characterized by a $J_2$ coefficient like "oblateness"?

4 votes
Accepted

Pure orbit inclination changing, why delta v differs between vector and numerical approach?

3 votes
Accepted

Calculating velocity state vector with orbital elements in 2D

3 votes
Accepted

Are there orbits for a starshade and a telescope to stay linear to an interstellar object?

3 votes
Accepted

Secular variation of orbital elements and influence of force components

3 votes
Accepted

Understanding line of sight between two satellite with oblate Earth using "scaling k-component"

3 votes
Accepted

Help with my tensor tension; how to derive and calculate this rigid body gravity gradient torque?

2 votes
Accepted

On the dynamics of two connected objects located at different circular orbits

2 votes

Oberth Effect in Solar Sails: Where does the extra energy comes from?

2 votes
Accepted

Could a satellite in LEO "pump" or change mass distribution to gain forward momentum?

2 votes

Is it possible to plot the ground track of a satellite with just azimuth & elevation angles without range?

2 votes

Obtaining orbital state vectors given two position vectors and an eccentricity

2 votes
Accepted

Questions about orbital ring math from Birch 1982 paper

2 votes

Is the formula for nodal period of a near-Earth satellite given by Wikipedia correct?

1 vote
Accepted

Given orbital parameters and position vector along that orbit, how can I determine the eccentric anomaly at that point?

0 votes

Does other orbital parameters change on plane alignment impulsive maneuver?