mean orbit
61Cressida (moon) — There is also an asteroid called 548 Kressida. Cressida Voyager 2 image of the Uranian moons Portia, Cressida, and Ophelia Discovery …
62Desdemona (moon) — There is also a minor planet called 666 Desdemona. Desdemona Discovery image of Desdemona Discovery Discovered by Stephen P. Synnott / Voyager 2 …
63S/2011 P 1 — Hubble Space Telescope discovery images of S/2011 P 1. Discovery[1] Discovered by …
64Lysithea (moon) — Lysithea Discovery Discovered by S. B. Nicholson Discovery date July 6, 1938[1] Designations …
65variation — variational, variative /vair ee ay tiv/, adj. variationally, variatively, adv. /vair ee ay sheuhn/, n. 1. the act, process, or accident of varying in condition, character, or degree: Prices are subject to variation. 2. an instance of this: There… …
66variation — /vɛəriˈeɪʃən / (say vairree ayshuhn) noun 1. the act or process of varying; change in condition, character, degree, etc. 2. an instance of this. 3. amount or rate of change. 4. a different form of something; a variant. 5. Music a. the… …
67Lyrids — The Lyrids are a strong meteor shower lasting from April 16 to April 26cite web|url=http://meteorshowersonline.com/lyrids.html|title=Lyrids|publisher=Meteor Showers Online|pages=1|language=English|accessdate=2008 08 05] each year. The radiant of… …
68C/1861 G1 (Thatcher) — Discovery Discovered by: A. E. Thatcher Discovery date: April 5, 1861 Alternate designations: 1861 I Orbital characteristics A Epoch: 2400920.5 (May 25, 1861) …
69Lyrides — Les Lyrides désignent un important essaim d étoiles filantes qui débute le 16 avril et finit le 26 avril[1] de chaque année. Le radiant de cet essaim se situe dans la constellation de la Lyre, son maximum d activité a lieu le 22 avril, c est… …
70ecliptic — noun The apparent path of the sun in the sky. More accurately, it is the intersection of the celestial sphere with the plane of the ecliptic, which is the geometric plane containing the mean orbit of the Earth around the Sun. So named because an… …
