dwnielsen

2009-Jul-25, 03:15 AM

I'm personally interested in the periods of rotation and revolution for major bodies. I would like to have a feel for what goes on in our solar system. Especially, it would be nice to know about the Moon's orbit. I apologize if there is much overlap between this thread and others.

Let me specify what it is I hope to find exactly.

Ideally, this would be a program that generates output in the following format:

bodyName

timeOfObservation

minRot,maxRot

minRevSidereal,maxRevSidereal

minRevSynodic,maxRevSynodic

resonanceInfo (resonant with which other body in what ratio)

The min and max periods would be to account for the range of error.

The range for timeOfObservation would be specified in seconds since 2000AD, but equal to [200,000 yrs ago to 200,000 yrs from now].

I would like this data for the following bodies:

Mercury

Venus

Earth

Moon about Earth

Moon about Sun

Vesta

Ceres

Pallas

Hygiea

Jupiter

Saturn

Uranus

Neptune

Pluto

Haumea

Makemake

Eris

I would assume some of these bodies have not changed much at all during the time range of observation. Some may show a very simple relation that can be given clearly in a mathematical expression.

Do you know what the best way to go about getting this information is? It may offend, but I hope not to become bogged down in the details of this information. I have no interest in coming up with a clever scheme for divining this information from old texts, or of plugging thousands of data points into planetarium software.

I realize some of these periods may be under dispute over the given time range of observation. If so, I'd just like a best guess approach with a more-or-less fitting range of error.

Thanks in advance for any pointers. BTW, I hope to share the program as open source with appropriate credits should I ever be able to accomplish this task.

Let me specify what it is I hope to find exactly.

Ideally, this would be a program that generates output in the following format:

bodyName

timeOfObservation

minRot,maxRot

minRevSidereal,maxRevSidereal

minRevSynodic,maxRevSynodic

resonanceInfo (resonant with which other body in what ratio)

The min and max periods would be to account for the range of error.

The range for timeOfObservation would be specified in seconds since 2000AD, but equal to [200,000 yrs ago to 200,000 yrs from now].

I would like this data for the following bodies:

Mercury

Venus

Earth

Moon about Earth

Moon about Sun

Vesta

Ceres

Pallas

Hygiea

Jupiter

Saturn

Uranus

Neptune

Pluto

Haumea

Makemake

Eris

I would assume some of these bodies have not changed much at all during the time range of observation. Some may show a very simple relation that can be given clearly in a mathematical expression.

Do you know what the best way to go about getting this information is? It may offend, but I hope not to become bogged down in the details of this information. I have no interest in coming up with a clever scheme for divining this information from old texts, or of plugging thousands of data points into planetarium software.

I realize some of these periods may be under dispute over the given time range of observation. If so, I'd just like a best guess approach with a more-or-less fitting range of error.

Thanks in advance for any pointers. BTW, I hope to share the program as open source with appropriate credits should I ever be able to accomplish this task.