9fans archive / 1996 / 02 / 93 /    prev next

From: Luther Huffman, Jr. lutherh@inf...
Subject: No subject
Date: Mon, 26 Feb 1996 15:53:50 -0500

Thanks. What had me fooled about the C/1996 B2 (Hyakutake) elements is
that the eccentricity has been listed as 1.0000. According to the
latest (this morning) it really is 1.0000 (to be exact, 1.000019). I
have never seen an element like this before and figured it *had* to be
a misprint.
   Expect (later this evening?) a new replacement comet.c file at
ftp.stratcom.com in directory /pub/stratcom/comet
Thanks again,
Luther

On Mon, 26 Feb 1996 15:20:47 -0500, Rob Pike wrote:

>data from Harvard Smithsonian Center for Astrophysics
>
>    C/1995 O1 (Hale-Bopp)
>Epoch 1997 Mar. 13.0 TT = JDT 2450520.5
>T 1997 Apr. 1.09192 TT                                  Nakano
>q   0.9139592            (2000.0)            P               Q
>z  +0.0053885      Peri.  130.59470     -0.13307599     -0.17036395
> +/-0.000043       Node   282.47161     +0.28240339     +0.93776083
>e   0.9950751      Incl.   89.42447     +0.95002058     -0.30262311
> From 728 observations 1993 Apr. 27-1995 Dec. 8.  Ref. MPC 26374.
>
>    C/1995 O1 (Hale-Bopp)
>Epoch 1996 Apr. 27.0 TT = JDT 2450200.5
>T 1997 Mar. 31.81638 TT                                 Nakano
>q   0.9169064            (2000.0)            P               Q
>z  +0.0035730      Peri.  130.40448     -0.13192830     -0.17127816
> +/-0.000043       Node   282.47065     +0.27940881     +0.93859521
>e   0.9967239      Incl.   89.38049     +0.95106553     -0.29950429
>
>=============
>    C/1996 B2 (Hyakutake)
>T 1996 May 1.41087 TT                                   Marsden
>q   0.2301957            (2000.0)            P               Q
>                   Peri.  130.17807     +0.57751436     +0.80823672
>                   Node   188.06079     +0.23067112     -0.02639685
>e   1.0            Incl.  124.88607     +0.78311429     -0.58826576
> From 155 observations 1996 Jan. 1-Feb. 10.  Ref. MPEC 1996-C06.
>
>