[DOC] [TLE] Neptune Nears End of First Orbit Since Its Discovery in 1846 [PAR] Aug 18, 2010 ... The planet will complete its first orbit, since being discovered, ... This story has 
been corrected to reflect that Neptune will actually complete its ... discovered in 
1846, marking its first complete trip around the sun ... Neptune is close, but still 
not quite at the finish line of its first orbit since being discovered yet. [DOC] [TLE] When Will Pluto Complete Its First Orbit Since Its Discovery? [PAR] Jul 12, 2011 ... Today, Neptune turned 1 year old. Well, sort of. The eighth planet from our sun 
was discovered on September 23, 1846. Neptune takes a very... [DOC] [TLE] How Long Does it Take Neptune to Orbit the Sun - Universe Today [PAR] In fact, Neptune takes 164.79 years to orbit around the Sun. ... Neptune was only 
discovered on September 23, 1846. ... In other words, since its discovery, 
Neptune has not even made a single orbit ... On July 11, 2011, Neptune will have 
completed one full orbit around the Sun. ... What are the Planets of the Solar 
System? [DOC] [TLE] TIL that between the time it was discovered and the time it was ... [PAR] Feb 27, 2013 ... Neptune was discovered in 1846 and completed a full revolution in 2011! ... It 
takes 84 Earth years to make its trip around the Sun. ... the planets in our solar 
system have made complete revolutions around the Sun since their discoveries. 
Of course, this wouldn't be true if Pluto was still considered a planet :). [DOC] [TLE] Which planet takes the longest to orbit the sun? | Reference.com [PAR] Neptune has the longest orbital period of any planet within the solar system. ... 
planet from the sun, it takes Neptune approximately 165 years to complete a ... As 
of 2014, Neptune has completed only one orbit since its existence was first ... It 
was discovered by German astronomer Johann Galle in 1846 and is named after 
. [DOC] [TLE] Neptune - In Depth | Planets - NASA Solar System Exploration [PAR] When Uranus didn't travel exactly as astronomers expected it to, a French ... 
proposed the position and mass of another as yet unknown planet that could ... 
though, because for every three laps Neptune takes around the Sun, Pluto ... 
2011: Neptune completes its first 165-year orbit of the sun since its discovery in 
1846. [DOC] [TLE] Neptune: The Big Blue Suprise From Lake Afton Public Observatory [PAR] When Voyager 2 encountered Neptune in August of 1989, its home world of 
Earth ... They surmised that this influence could be due to a large planet outside 
the ... Neptune takes approximately 165 years to make one complete trip around 
the Sun. Since it was discovered in 1846, it has yet to complete one Neptunian 
year. [DOC] [TLE] 1. Evolving perspectives - a historical prologue - NASA's Cosmos [PAR] The Moon repeats its motion around the Earth on a monthly cycle, ... Although 
these planets travel eastward in the "prograde" direction most of the ... on its axis; 
it could also be whirling endlessly around the Sun, completing one circuit each 
year. .... Earth years, that it has not made a full orbit since it was discovered in 
1846. [DOC] [TLE] Pluto - Wikipedia [PAR] Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper 
belt, a ring of ... After 1992, its planethood was questioned following the discovery 
of several objects of similar ... The IAU has not formalized a definition for binary 
dwarf planets, and Charon is officially .... The object must be in orbit around the 
Sun. [DOC] [TLE] Planet - Facts for Now - Scholastic [PAR] These include the Earth, the five known since ancient times, plus Uranus and 
Neptune. Pluto, discovered in 1930, had been called a planet until 2006. ... Much 
of what we now know about the planets and their moons has come from space 
probes. ... It takes 88 Earth days for Mercury to complete one trip around the sun. [DOC] [TLE] Astronomers find evidence for yet-unseen

Question: Since its 1846 discovery, this planet has yet to complete one trip around the sun
Answer: Neptune