Re: (meteorobs) Re-entry

• To: meteorobs@jovian.com
• Subject: Re: (meteorobs) Re-entry
• From: Rob McNaught <rmn@aaocbn.aaodot gov.au>
• Date: Fri, 25 Jun 1999 14:52:25 +1000 (EST)
• In-Reply-To: <199906250422.AAA29856@mercury.peganetdot net>
• Reply-To: meteorobs@jovian.com
• Sender: owner-meteorobs@jovian.com

As almost all re-entries are of objects that circularise their orbits
before entry, I would have thought that even faint re-entries of dust
would last some considerable time and have a very slow onset.  However
I've seen nothing specific on this.  It would not surprise me that the
small dust re-entries disintegrate at higher altitudes without a visual
meteor?  Personally, I'd discount anything shorter in duration than about
20 seconds as a re-entry, especially if it was bright.

Cheers, Rob

Robert H. McNaught
rmn@aaocbn.aaodot gov.au

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