Antonin Vitek wrote, in reply to Daryl Bahls: > > > "In general, the post-mission disposal options are (1) direct retrieval and > > deorbit, (2) maneuver to an orbit for which atmospheric drag will remove the > > structure within 25 years, and (3) maneuver to one of a set of disposal > > regions in which the structures will not interfere with future space > > operations." > > > > Option 1 is not widely used (yet). > > > It is used eg. for Progress cargo ships and for the newer types of > Russian/Soviet photoreconnaisance satellites from Kosmos series. Perhaps the Progress cargo ships, etc, fall into option 2 - though the atmospheric drag removal takes place in a lot less than 25 years, more like 30 minutes - with option 1 referring to going up and returning the spacecraft with a shuttle or whatever. ----------------------------------------------------------------- Unsubscribe from SeeSat-L by sending a message with 'unsubscribe' in the SUBJECT to SeeSat-L-request@lists.satellite.eu.org http://www2.satellite.eu.org/seesat/seesatindex.html
This archive was generated by hypermail 2b29 : Tue Jun 05 2001 - 03:09:06 PDT