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Keyword:
rectilinear orbit
Noun
A
theoretical
type
of
orbit
which
goes
in
a
straight-line,
up
and
down;
with
100%
orbital
eccentricity
(eccentricity=1.0);
the
orbital
path
passing
through
the
center-of-mass
of
the
primary
mass
being
orbited;
having
an
periapsis
at
0,
and
two
apoapsides,
as
both
arms
going
out
from
the
periastron
are
equidistant;
where
the
orbital
ellipse
has
zero
width
semi-minor
axis/minor
axis,
and
the
path
of
the
ellipse
is
the
same
as
the
major
axis.
Japanese Meaning
理論上の直線軌道であり、物体が中心質量を通過する直線上を上下に運動する軌道。軌道の離心率が1.0で、接近点（periapsis）が0となり、両側の遠点（apoapsis）が等距離に配置される。楕円の短半径がゼロとなり、楕円の経路が長軸と一致する点が特徴。
Related Words
near-rectilinear halo orbit
Related Words
near-rectilinear halo orbits
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