Definition of Perihelia. Meaning of Perihelia. Synonyms of Perihelia

Here you will find one or more explanations in English for the word Perihelia. Also in the bottom left of the page several parts of wikipedia pages related to the word Perihelia and, of course, Perihelia synonyms and on the right images related to the word Perihelia.

Definition of Perihelia

Perihelia
Perihelion Per`i*hel"ion, Perihelium Per`i*he"li*um, n.; pl. Perihelia. [NL., fr. Gr. ? about, near + ? the sun.] (Astron.) That point of the orbit of a planet or comet which is nearest to the sun; -- opposed to aphelion.

Meaning of Perihelia from wikipedia

- 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...
- Mercury's (0.4667 AU) and perihelia inside Mercury's (0.3075 AU), whereas those listed here as outer grazers have perihelia within Mercury's aphelion...
- The scattered ETNOs (or extreme scattered disc objects, ESDOs) have perihelia around 38–45 AU and an exceptionally high eccentricity of more than 0...
- rock/electronic group Detached objects, objects which have orbits whose perihelia are sufficiently distant from the influence of Neptune so that they are...
- the giant planets, predominantly Neptune. Detached objects have larger perihelia than these other TNO po****tions, including the objects in orbital resonance...
- objects of the same size because they come nearer to Earth, some having perihelia around 20 AU. Several are known with g-band absolute magnitude below 9...
- steeply inclined (i ≈ 40°) orbit. Like Planet Nine it would cause the perihelia of objects with semi-major axes greater than 300 AU to oscillate, delivering...
- long timescales exchanges of angular momentum with Planet Nine cause the perihelia of anti-aligned objects to rise until their precession reverses direction...
- eccentricities ranging as high as 0.8, inclinations as high as 40°, and perihelia greater than 30 astronomical units (4.5×109 km; 2.8×109 mi). These extreme...
- that orbit larger asteroids. Mercury-crossing asteroids are those with perihelia within the orbit of Mercury. At least 362 are known to date, and include...