(meteorobs) Visual telescopic orbit determination?

• To: Meteor Observing Mailing List <meteorobs@latradedot com>
• Subject: (meteorobs) Visual telescopic orbit determination?
• From: Lew Gramer <dedalus>
• Date: Tue, 01 Oct 96 16:57:21 -0400
• In-Reply-To: Your message of "Tue, 01 Oct 96 11:27:18 CDT." <B0000324360@cablerdot cablereginadot com>
• Reply-To: meteorobs@latradedot com
• Sender: owner-meteorobs

Re: (meteorobs) Sporadic Flux Variations (long)

Thanks for the encouraging response, John!

>This straight line is essentially tangent to the orbit of the object, and from
>that you can deduce whether or not it could be associated with a specific
>radiant... nor can we completely reconstruct the orbital elements

This was something I (in my inimitable ignorance) was confused about: I assumed 
that simply finding a tangent to the orbit was not worth doing. If it is, then 
you're right, John: two observers don't even need to do speed estimates (except 
the "subjective" kind to reject inappropriate shower members, of course). But 
assume two telescopic observers actually wanted to be able to contribute to 
*orbit determination*: what accuracy would be needed in apparent velocity 
estimates, and can anyone think of a visual (telescopic) technique one or both 
observers might use to obtain this estimate? Just a curious question,

Lew

• Re: (meteorobs) Sporadic Flux Variations (long)
• From: johrt@cablereginadot com

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