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From: dickmc@brl-tgr.ARPA (Dick McGee )
Newsgroups: net.astro
Subject: Request for Halley Orbitals
Message-ID: <1649@brl-tgr.ARPA>
Date: Mon, 23-Sep-85 07:58:18 EDT
Article-I.D.: brl-tgr.1649
Posted: Mon Sep 23 07:58:18 1985
Date-Received: Wed, 25-Sep-85 10:52:02 EDT
Distribution: net
Organization: Ballistic Research Lab
Lines: 19

<>

I am preparing to modify a program that displays the positions of
the sun, moon, planets, and stars brighter than magnitude 4.0 to
include Halley's Comet. Would someone post the latest orbital parameters
for Halley's Comet? I need the following:

	Semi-major Axis (a.u):
	Mean Motion (rad/day):
	Eccentricity (rad):
	Inclination (rad):
	Right Ascension of Ascending Node (rad):
	Argument of Perihelion (rad):
	Mean Anomaly at Epoch (rad):
and of course the Epoch for the orbitals.

/s/ Richard McGee
ARPA:	<dickmc@brl>
UUCP:	{seismo,decvax}!brl!dickmc


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