Difference between revisions of "User:Urwumpe"
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| − | { | + | OrbiterWiki administrator since december 2005 |
| + | |||
| + | '''Lord of the block list''' | ||
| + | |||
| + | A/S/L: 33/M/Wolfsburg, germany | ||
| + | |||
| + | Occupation: Full-time software developer for computer-aided engineering solutions. | ||
| + | |||
| + | Orbiter addon developer since summer 2003. | ||
| + | |||
| + | N-Mail: Urwumpe(ät)Yahoo(döt)com | ||
| + | |||
| + | We were, We are, and we will be. | ||
| + | |||
| + | ==Math formulas== | ||
| + | ===Nodal regression=== | ||
| + | {| | ||
| + | |- | ||
| + | |<math>P</math> | ||
| + | |Orbit parameter, <math>p=a \cdot (1- \epsilon^2)</math> | ||
| + | |- | ||
| + | |- | ||
| + | |<math>u</math> | ||
| + | |corrected true anomaly, <math>u=\omega + \varphi</math> | ||
| + | |- | ||
| + | |<math>R_E</math> | ||
| + | |mean planetary radius | ||
| + | |- | ||
| + | |<math>J_2</math> | ||
| + | |non spherical gravity term | ||
| + | |- | ||
| + | |<math>i</math> | ||
| + | |inclination | ||
| + | |- | ||
| + | |<math>\omega</math> | ||
| + | |Argument of perigee | ||
| + | |- | ||
| + | |<math>\epsilon</math> | ||
| + | |eccentricity | ||
| + | |- | ||
| + | |} | ||
| + | |||
| + | |||
| + | <math>\frac{d\Omega}{du} = -3\cdot J_{2}\cdot (\frac{R_E}{p})\cdot \sin^2{u} \cdot \cos {i} \cdot [ 1 + \epsilon \cdot \cos{u - \omega}] </math> | ||
| + | |||
| + | ==Current Orbiter projects== | ||
| + | * [[Space Shuttle Ultra]] project | ||
| + | * [[Black Dart]] project (military VTOL spaceplane with FBW and TVC) | ||
| + | * Starstreak (suborbital spaceplane) | ||
| + | * [[Soyuz launchers|Soyuz launcher]] meshes | ||
| + | * [[SRTM]] data-to-mesh converter | ||
| + | * [[Ares V]] and Earth 2018 project | ||
| + | |||
| + | ==Technical Drawing Gallery== | ||
| + | Some technical drawings I made, nothing too fancy. | ||
| + | |||
| + | <gallery> | ||
| + | Image:AlphaRescueCapsule.png|Alpha Rescue Capsule | ||
| + | </gallery> | ||
| + | |||
| + | {| | ||
| + | |Day | ||
| + | |Sum | ||
| + | |Average | ||
| + | |- | ||
| + | |3 | ||
| + | |31 | ||
| + | |10.3 | ||
| + | |- | ||
| + | |4 | ||
| + | |60 | ||
| + | |15 | ||
| + | |- | ||
| + | |5 | ||
| + | |75 | ||
| + | |15 | ||
| + | |- | ||
| + | |6 | ||
| + | |113 | ||
| + | |18.8 | ||
| + | |- | ||
| + | |7 | ||
| + | |118 | ||
| + | |16.8 | ||
| + | |- | ||
| + | |8 | ||
| + | |157 | ||
| + | |19.6 | ||
| + | |} | ||
Latest revision as of 09:24, 6 December 2020
OrbiterWiki administrator since december 2005
Lord of the block list
A/S/L: 33/M/Wolfsburg, germany
Occupation: Full-time software developer for computer-aided engineering solutions.
Orbiter addon developer since summer 2003.
N-Mail: Urwumpe(ät)Yahoo(döt)com
We were, We are, and we will be.
Math formulas
Nodal regression
| Orbit parameter, | |
| corrected true anomaly, | |
| mean planetary radius | |
| non spherical gravity term | |
| inclination | |
| Argument of perigee | |
| eccentricity |
![{\displaystyle {\frac {d\Omega }{du}}=-3\cdot J_{2}\cdot ({\frac {R_{E}}{p}})\cdot \sin ^{2}{u}\cdot \cos {i}\cdot [1+\epsilon \cdot \cos {u-\omega }]}](https://en.wikipedia.org/api/rest_v1/media/math/render/svg/6831814cb61bb8388c91278dfd3302706e2fda0c)
Current Orbiter projects
- Space Shuttle Ultra project
- Black Dart project (military VTOL spaceplane with FBW and TVC)
- Starstreak (suborbital spaceplane)
- Soyuz launcher meshes
- SRTM data-to-mesh converter
- Ares V and Earth 2018 project
Technical Drawing Gallery
Some technical drawings I made, nothing too fancy.
Alpha Rescue Capsule
| Day | Sum | Average |
| 3 | 31 | 10.3 |
| 4 | 60 | 15 |
| 5 | 75 | 15 |
| 6 | 113 | 18.8 |
| 7 | 118 | 16.8 |
| 8 | 157 | 19.6 |