All Questions
Tagged with reference-requestorbital-mechanics
9 questions
1vote
1answer
154views
Earth to Enceladus [closed]
Sci-fi writer needs to get from Lunar Orbit to Enceladus Orbit in least amount of time with a travel acceleration of 1.5G no more than 3G for navigation changes. What resources are available that I ...
4votes
1answer
268views
Software to estimate radiation dose for an orbit
I am searching for a software/method, possibly open-source or free, to estimate the radiation dose for an orbit around earth.
- 450
3votes
1answer
469views
Earth to Mars (or reverse) Hohmann transfer orbits for the 21st Century
Is anybody aware of a nice graphic showing for the next 20-30 years or maybe the rest of the 21st century, the time periods for Earth to Mars launches? They occur about every two years, but I'm ...
5votes
1answer
319views
References for constant low-thrust spiral up-coast-spiral down phasing maneuvers for circular and non-circular orbits?
I am trying to find papers that describe constant low-thrust spiral up-coast-spiral down phasing maneuvers for circular and non-circular orbits. The thrust is assumed to be fixed at $T_{const}$ when ...
- 131
7votes
1answer
311views
Textbook or scholarly discussion of equations used by the SDP4 part of SGP4 TLE propagators beyond Space Track Report #1?
(the famous) Space Tract Report #3 discussed at length in Dr. T.S. Kelso's Revisiting Spacetrack Report #3, AIAA 2006-6753 Describes the "deep space" corrections to the original SGP4 known ...
- 153k
2votes
1answer
194views
Nickname and citation for famous, historic three-body spacecraft trajectory design "manual"; something like "DoKaRoMo"?
There is a heavily-cited work about the use of three-body orbits with four authors, I think some at NASA at the time. I know that I've cited this abbreviation in my own posts a few times, but I can't ...
- 153k
8votes
2answers
2kviews
Is there free, accurate and updated data on planetary body positions in the solar system?
I'm a software developer and I'm trying to move towards astrophysics. I wanted to create an accurate solar system model using real-time accurate data. I've found the NASA data site, however I can only ...
- 343
3votes
1answer
568views
What is a Michielsen chart and how should one use it?
I've read about a Michielsen chart, but cannot currently find Kaplan's 1976 book. What is this chart? Is it outdated nowadays?
- 11.5k
5votes
1answer
1kviews
How to model a continous burn and recalculate orbit properties post burn
I've been working on this for a while with little success. I'm trying to model a continuous burn orbit maneuver for say 5 minutes. I've tried to split the burn into multiple sub-burns that are ...
- 4,429
