- An
apsis (from
Ancient Gr**** ἁψίς (hapsís) 'arch, vault'; pl. apsides /ˈæpsɪˌdiːz/ AP-sih-deez) is the ****hest or
nearest point in the
orbit of a planetary...
- In
celestial mechanics, the
longitude of the periapsis, also
called longitude of the pericenter, of an
orbiting body is the
longitude (measured from the...
-
resonance in
which an object's
epicyclic frequency (the rate at
which one
periapse follows another) is a
simple multiple of some
forcing frequency. Resonances...
-
Sagittarius A*, as well as to
observe general-relativity ****ociated
effects like
periapse shift of
their orbits. An
active watch is
maintained for the possibility...
- one; the
satellite will
descend and
reach the
lowest orbital point (the
periapse) at 180
degrees away from the
firing point; then it will
ascend back. The...
- months,
bringing the
spacecraft into an
approximately circular orbit with
periapse altitude at 180 km and
apoapse altitude at 540 km, down from an apoapse...
- orbit, to
provide a
global view of Mars' atmosphere. The EMM
orbit has a
periapse of
about 20,000 km, an
apoapse of
about 43,000 km and a
period of 55 hours...
- p****ed 6,446.7 km (4,005.8 mi) from
Polydeuces while moving outbound from
periapse. However, C****ini did not take any
images of
Polydeuces on that date. The...
-
pericenter (ω) to
librate about either 90° or 270°,
which is to say that its
periapse occurs when the body is ****hest from the
equatorial plane. This effect...
- the lander/rover. It
approached at
about 265 km (165 mi) (periareion, or
periapse) to Mars' surface,
allowing a high-resolution
camera to
return images to...
