- aphelion, and the
nearest point,
perihelion, of its
orbit around the host Sun. The
terms aphelion and
perihelion apply in the same way to the orbits...
-
direction of motion. For
specific types of orbits,
terms such as
argument of
perihelion (for
heliocentric orbits),
argument of
perigee (for
geocentric orbits)...
-
Perihelion Software Limited was a
United Kingdom company founded in 1986 by Dr. Tim King
along with a
number of
colleagues who had all
worked together...
-
Perihelion is the
point of
closest approach to the Sun of a body
orbiting the Sun.
Perihelion may also
refer to:
Perihelion: The Prophecy, a 1993 role-playing...
-
Albert Einstein in 1915,
concerned the "anomalous"
precession of the
perihelion of Mercury, the
bending of
light in
gravitational fields, and the gravitational...
-
Perihelion Summer is a
science fiction novella/novel by
Australian writer Greg Egan,
published by Tor
Books in 2019. Taraxippus, a
double system of two...
-
independently found by
ATLAS South Africa on 22
February 2023. The
comet p****ed
perihelion at a
distance of 0.39 AU (58 million km; 36 million mi) on 27 September...
- is
called longitude of
perihelion ϖ,
which is the sum of the
longitude of the
ascending node Ω, and the
argument of
perihelion ω. The
longitude of periapsis...
- of certainty, but Hale–Bopp
exceeded most
predictions when it p****ed
perihelion on
April 1, 1997,
reaching about magnitude −1.8. It was
visible to the...
- named. It most
recently came to
perihelion (closest
approach to the Sun) on 2
November 2021, and will next come to
perihelion on 9
April 2028. Churyumov–Gerasimenko...
