near-circular orbit
21Uranus — This article is about the planet. For other uses, see Uranus (disambiguation). Uranus   …
2250000 Quaoar — Infobox Planet minorplanet = yes discovery=yes discovery ref = [ [http://www.chadtrujillo.com/quaoar/ Frequently Asked Questions About Quaoar] ] physical characteristics = yes bgcolour=#FFFFC0 name=50000 Quaoar caption= Sum of 16 Hubble exposures …
23Orbital perturbation analysis (spacecraft) — Isaac Newton in his Philosophiæ Naturalis Principia Mathematica demonstrated that the gravitational force between two mass points is inversely proportional to the square of the distance between the points and fully solved corresponding two body… …
24Classical Kuiper belt object — The orbits of various cubewanos compared to the orbit of Neptune (blue) and Pluto (pink) …
25Mir — This article is about the Soviet/Russian space station. For other uses, see Mir (disambiguation). Mir …
26Lagrangian point — The Lagrangian points (IPA en|ləˈgreɪndʒiən, IPA fr|lagʁɑ̃ʒjɑ̃; also Lagrange point, L point, or libration point), are the five positions in an orbital configuration where a small object affected only by gravity can theoretically be stationary… …
27Aerobraking — is a spaceflight maneuver that reduces the high point of an elliptical orbit (apoapsis) by flying the vehicle through the atmosphere at the low point of the orbit (periapsis), using drag to slow the spacecraft. Aerobraking saves fuel, compared to …
2820000 Varuna — This article is about 20000 Varuna, a minor planet. For other uses of the word, see Varuna (disambiguation) Infobox Planet bgcolour = #FFFFC0 name = 20000 Varuna symbol = caption = Artist s conception of Varuna discovery = yes discoverer = R.… …
29COTS Demo Flight 1 — COTS 1 Mission logo Operator SpaceX Mission type Demonstration Launch date …
30Mu Arae — Observation data Epoch J2000.0      Equinox J2000.0 …
