- and the
greatest distance the
apocynthion (/ˌæpəˈsɪnθiən/). The
terms perilune and apolune, as well as
periselene and
aposelene are also used.
Since the...
-
descent orbit insertion burn was
performed to
reduce speed and drop the LM's
perilune to
within about 50,000 feet (15 km) of the surface,
about 260 nautical...
- aposelene. When
closest to the Moon (at periapsis) it is said to be at
perilune, pericynthion, or periselene.
These derive from
names or
epithets of the...
-
Descent orbit insertion,
which takes it to a
perilune of
about 50,000 feet (15 km).
Powered descent At
perilune, the
descent engine fires again to
start the...
-
injection burn and
enter a near-rectilinear halo
orbit around the Moon, with a
perilune of 1,500 km (930 mi)
occurring over the
north pole and an
apolune of 70...
- and 19
September the
perilune was
decreased to 15.1 km, as well as the
inclination altered in
preparation for landing. At
perilune at 05:12 UTC on 20 September...
- the Moon's surface.
Initial lunar orbit insertion was an
ellipse with a
perilune of 60.0
nautical miles (111.1 km) and an
apolune of 168.5
nautical miles...
- in
order to
optimize the
operation of
various experiments,
lowering the
perilune to as
little as 25 km. Luna 22 was the
second of two "advanced"
lunar orbiters...
- the
lunar surface in a
craft resembling the
Apollo Lunar Module,
while Perilune (2019) is an
example of a
lunar landing simulation with
realistic physics...
-
forward propagated from the
surface of the
Laplace sphere to an
arbitrary perilune point. The
Laplace sphere and the
gravitational sphere of
influence concepts...
