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- Newsgroups: sci.space
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!cs.utexas.edu!torn!utzoo!henry
- From: henry@zoo.toronto.edu (Henry Spencer)
- Subject: Re: Aerobraking [was Re: Magellan Update - 11/20/92]
- Message-ID: <By3988.Bpu@zoo.toronto.edu>
- Date: Sat, 21 Nov 1992 23:00:05 GMT
- References: <1992Nov20.232659.8134@elroy.jpl.nasa.gov> <1ellrpINNh2a@rave.larc.nasa.gov> <By32px.8Lp@zoo.toronto.edu> <19117@ksr.com>
- Organization: U of Toronto Zoology
- Lines: 18
-
- In article <19117@ksr.com> clj@ksr.com (Chris Jones) writes:
- >>>BTW, I think Magellan will become the first spacecraft to conduct an
- >>>aerobraking maneuver to change its orbit, right???
- >>Wrong. Hiten ... did a small Earth aerobraking maneuver in spring 1991.
- >
- >At least two of the Soviet circumlunar Zond flights used an aerobraking
- >maneuver to minimize the G forces on reentry...
-
- All the Apollo lunar missions, and various other spacecraft, likewise did
- two-phase reentries. But maneuvering during reentry is not normally referred
- to as aerobraking, and such reentries are *not* composed of two separate
- encounters with the atmosphere; they're one encounter following a complex
- down-up-down trajectory.
-
- The question was about *changing orbits* with aerobraking.
- --
- MS-DOS is the OS/360 of the 1980s. | Henry Spencer @ U of Toronto Zoology
- -Hal W. Hardenbergh (1985)| henry@zoo.toronto.edu utzoo!henry
-