-
primary body to the
orbiting body when the
latter is located: 1) at the
periapsis point, or 2) at the
apoapsis point (compare both graphics,
second figure)...
- "longitude of
periapsis" or "longitude of periastron" are
often used
synonymously with "argument of
periapsis". In
astrodynamics the
argument of
periapsis ω can...
- the
longitude of
periapsis (e.g., mean
longitude and true longitude) will also be compound. Sometimes, the term
longitude of
periapsis is used to refer...
-
Argument of
periapsis (ω)
defines the
orientation of the
ellipse in the
orbital plane, as an
angle measured from the
ascending node to the
periapsis (the closest...
- are seen with
Venus and Neptune. As two
objects orbit each other, the
periapsis is that
point at
which the two
objects are
closest to each
other and the...
- If an
impulsive burn of Δv is
performed at
periapsis in a
parabolic orbit, then the
velocity at
periapsis before the burn is
equal to the
escape velocity...
-
longitude of
periapsis for Dysnomia's orbit,
which is 307°±12°.: 5 The
longitude of
periapsis is the sum of the
ascending node and
argument of
periapsis, so subtracting...
- : 25, 62–63 For
elliptical orbits it can also be
calculated from the
periapsis and
apoapsis since r p = a ( 1 − e ) {\displaystyle r_{\text{p}}=a\,(1-e)}...
- and the
apogee burn (or
apogee kick); more generally, they are
labelled periapsis and
apoapsis burns. Alternately, the
second burn to
circularize the orbit...
- the
periapsis of an
elliptical orbit)
accelerates along its
direction of
travel to
escape velocity, the
point of
acceleration will form the
periapsis of...
