[meteorite-list] Park Forest predicted strewnfield map
From: Matson, Robert <ROBERT.D.MATSON_at_meteoritecentral.com>
Date: Thu Apr 22 10:16:29 2004 Message-ID: <AF564D2B9D91D411B9FE00508BF1C86901B4EC21_at_US-Torrance.mail.saic.com> This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ------_=_NextPart_001_01C35B09.36E9B4E8 Content-Type: text/plain; charset="iso-8859-1" Hi Mark, > Robert, > Here are the details of my recent PF finds: Find #1 Coordinates 41.49398 N, -87.67649 W; July 30, 2003 Norwood Square Shopping Center, Park Forest IL, 60466 60 grams; 30% crust at best; deeply cracked; 1.25x1.25x1.5 Find #2 Coordinates 41.49632 N, -87.67601 W; July 30, 2003 South Street, Park Forest IL, 60466 75 grams; 90% crust; black soot on 40%; 2.5x1.25x1.5 Thanks for forwarding me your latest find coordinates! I was pleased to discover that they both fall right on my predicted impact line, though in a slightly heavier region of it (~500-gram). This minor discrepancy could easily be explained if your fragments broke off something heavier at relatively low altitude (< 20 km). > I have given these to Atul as well for inclusion in his strewn field map. If Atul is the keeper of a "master map" with lots of find coordinates on it, then he would probably be interested in seeing one of my predicted maps to see how well it matches up (and to determine if there are promising areas on my plot that have not been searched well). Ideally, my modeling input parameters (jet stream velocity & direction, break-up altitude(s)) should be tweaked until the best possible fit is achieved to the known finds. Then it would be interesting to explore areas indicated by the resulting plot that haven't been searched. --Rob ------_=_NextPart_001_01C35B09.36E9B4E8 Content-Type: text/html; charset="iso-8859-1" <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <META content="MSHTML 5.00.3315.2870" name=GENERATOR></HEAD> <BODY> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>Hi Mark,</SPAN></FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003></SPAN></FONT> </DIV> <DIV><SPAN class=499372304-05082003> <DIV><FONT size=2><FONT color=#0000ff><FONT face=Arial><SPAN class=499372304-05082003>> </SPAN>Robert,</FONT></FONT></FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>> </SPAN></FONT><FONT color=#0000ff face=Arial size=2>Here are the details of my recent PF finds:</FONT></DIV> <DIV> <DIV><STRONG></STRONG><FONT color=#0000ff face=Arial size=2> </FONT></DIV> <DIV><FONT size=2><FONT color=#0000ff><FONT face=Arial><STRONG>Find #1</STRONG> Coordinates 41.49398 N, -87.67649 W; July 30, 2003</FONT></FONT></FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2> Norwood Square Shopping Center, Park Forest IL, 60466</FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2> 60 grams; 30% crust at best; deeply cracked; 1.25x1.25x1.5</FONT></DIV> <DIV> </DIV> <DIV><FONT size=2><FONT color=#0000ff><FONT face=Arial><STRONG>Find #2 </STRONG>Coordinates 41.49632 N, -87.67601 W; July 30, 2003</FONT></FONT></FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2> South Street, Park Forest IL, 60466</FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2> 75 grams; 90% crust; black soot on 40%; 2.5x1.25x1.5</FONT></DIV></SPAN><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003></SPAN></FONT></DIV></DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003></SPAN></FONT> </DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>Thanks for forwarding me your latest find coordinates! I was pleased to discover that</SPAN></FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>they both fall right on my predicted impact line, though in a slightly heavier region of</SPAN></FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>it (~500-gram). This minor discrepancy could easily be explained if your fragments</SPAN></FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>broke off something </SPAN></FONT><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>heavier at relatively low altitude (< 20 km).</SPAN></FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003></SPAN></FONT> </DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>> </SPAN></FONT>I have given these to Atul as well for inclusion in his strewn field map.<FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003> </SPAN></FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003></SPAN></FONT> </DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>If Atul is the keeper of a "master map" with lots of find coordinates on it, then he</SPAN></FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>would probably be interested in seeing one of my predicted maps to see how</SPAN></FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>well it matches up (and to determine if there are promising areas on my plot</SPAN></FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>that have not been </SPAN></FONT><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>searched well). Ideally, my modeling input parameters</SPAN></FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>(jet stream velocity & direction, break-up altitude(s)) should be tweaked until</SPAN></FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>the best possible fit is achieved to the known finds. Then it would be interesting</SPAN></FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>to explore areas indicated </SPAN></FONT><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>by the resulting plot that haven't been searched.</SPAN></FONT></DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003></SPAN></FONT> </DIV> <DIV><FONT color=#0000ff face=Arial size=2><SPAN class=499372304-05082003>--Rob</SPAN></FONT></DIV></BODY></HTML> ------_=_NextPart_001_01C35B09.36E9B4E8-- Received on Tue 05 Aug 2003 12:34:33 AM PDT |
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