All Questions
Tagged with astronomy curated-data
43
questions
4
votes
1
answer
39
views
AscendingNodeLongitude for the Moon at a given date
I have a question concerning AstronomicalData. If I want the declination of the moon for a given date, I use:
...
1
vote
1
answer
57
views
Units Question for PlanetData[..]
I asked a similar question yesterday, which was answered splendidly, but I missed adding a detail.
Attached is a command, its output, and the issue I have now. This outputs g/cm^3, but I'd rather have ...
- 734
2
votes
2
answers
104
views
Converting Units [duplicate]
I'm using MMA 12.2. Trying to put together some astronomy pages, but the output of the command below is in miles. I would rather have it in SI units instead.
On my system evaluating ...
- 734
7
votes
1
answer
216
views
StarData: proper motion of a star in HelioCoordinates
I am not an astronomer, but am trying to calculate the trajectory of an interstellar space probe, for example to Proxima Centauri. The HelioCoordinates seem appropriate, as typically used within the ...
- 91
5
votes
1
answer
81
views
Select Specific StarData
The help menu for StarData has many examples such as
StarData[EntityClass[
"Star", {EntityProperty["Star", "DistanceFromEarth"] ->
TakeSmallest[10]}]]
...
- 1,904
2
votes
0
answers
154
views
SatelliteData for a hypothetical satellite
SatelliteData appears to have some sort of orbit propagator behind it. It works for existing satellites, but is there any way to use it to predict the orbit of a ...
- 13.8k
1
vote
1
answer
319
views
list of dates for vernal equinox
I'm trying to get a list of dates and times of the vernal equinox for the last 30 years (or some other time interval). I'm flailing about and really have gotten nowhere. When I've tried typing ...
- 3,726
1
vote
1
answer
122
views
TrueAnomaly of planet orbit as a function?
It is possible to obtain the true anomaly of a planet this way:
...
- 777
4
votes
1
answer
142
views
How To Improve Mathematica StarData Performance When Compared To AstronomicalData
My tests of using AstronomicalData versus StarData show that StarData requests are 15 times ...
- 355
2
votes
1
answer
101
views
How To Replace xAxis and yAxis Number Values With An Associated Name
This application works great.
The thing is, the associations:
{{xAxis, 6}, {4, 5, 6, 7, 8}}, {{yAxis, 7}, {5, 6, 7, 8}},
while functional, are not very intuitive.
How can I replace xAxis and yAxis ...
- 355
8
votes
0
answers
105
views
Extracting, Formatting, and Exporting Mathematica AstronomicalData - Is There an Easier Way?
If any of you have tried to use Mathematica AstronomicalData and its newest replacements like StarData, you may already be familiar with the large data issues, and the almost impossible download times....
- 355
0
votes
2
answers
228
views
3
votes
1
answer
170
views
Working with StarData Versus AstronomicalData
Using AstronomicalData I could easily do something like:
...
- 355
7
votes
1
answer
488
views
GeoGraphics - mapping the Moon
The link here shows a nice way to depict the map of the Moon in Mathematica. But, is there a way to center the Mollweide projection onto the far side of the Moon?
- 4,006
17
votes
2
answers
5k
views
What is the closest star to Earth other than the sun?
How to find the Sun's nearest neighbor star using Mathematica?
I tried
but it didn't work
- 8,988