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(19508) 1998 MC17 Sommaire Description | Voir aussi | Références | Menu de navigationmodifier« (19508) 1998 MC17 »site du Jet Propulsion Laboratory« (19508) 1998 MC17 »10.1088/0004-637X/741/2/68mm

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Objet céleste découvert en 1998Objet céleste nommé par sa désignation provisoireAstéroïde de la ceinture principaleObjet céleste découvert par le projet SpacewatchObjet céleste découvert à l'observatoire de Kitt Peak ceinture principaleobservatoire de Kitt PeakArizonaÉtats-UnisSpacewatchuniversité de l'Arizonademi-grand axepérihélieexcentricitéinclinaisonécliptiquedemi-grand axeceinture principalemagnitude absoluealbédoWide-Field Infrared Survey Explorertélescope spatialaméricaininfrarouge (19508) 1998 MC 17 Caractéristiques orbitales Époque 23 mars 2018 (JJ 2458200,5) [ 1 ] Établi sur 976 observations couvrant 8391 jours , U = 0 Demi-grand axe ( a ) 479,535×10 6 km [ 1 ] (3,20549 ua) Périhélie ( q ) 376,322×10 6 km [ 1 ] (2,51555 ua) Aphélie ( Q ) 582,748×10 6 km [ 1 ] (3,89543 ua) Excentricité ( e ) 0,22 [ 1 ] Période de révolution ( P rév ) 2 096 j (5,74  a ) Inclinaison ( i ) 1,22° [ 1 ] Longitude du nœud ascendant ( Ω ) 47,62° [ 1 ] Argument du périhélie ( ω ) 60,7° [ 1

why is Nikon 1.4g better when Nikon 1.8g is sharper? Announcing the arrival of Valued Associate #679: Cesar Manara Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern) Proposal: Rules for *New* Photo Contest on Main SiteWhat image-quality characteristics make a lens good or bad?What is “veiling glare”? How does it affect my photos, and how can I avoid it?“Stack of Primes” vs “Honorary L” – How do these two 35-105mm f/3.5 lenses compare?What options do I have for a normal and fast prime lens for a Canon APS-C camera?Good all-round lens for Canon XS/1000D? Is 24-105mm F4.0 IS USM a good upgrade?Reducing my gear list after moving from Canon APS-C to FFWhy does higher aperture (less light) make an image sharper?What is the better Nikon primes among 50mm/1.8G, 50mm/1.8D and 35mm/1.8G for my D3200?You have two rooms to build your photography skills, measuring about 12 x 12 feet and 9 x 8.8 feet. What lens/lenses would you buy and why?Nikon 50mm 1.8g vs 1.8d?Are there reasons to go for an f/1.4 over an f/1.8 lens as my first fast prime?Will 50mm f1.4 and 85mm f1.8 lenses produce the same bokeh, given the same framing?Nikon 105mm f/2.8D or Nikon AF S NIKKOR 85mm f/1.8G

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For a new assistant professor in CS, how to build/manage a publication pipeline How does the math work when buying airline miles? Most bit efficient text communication method? Can an alien society believe that their star system is the universe? How would a mousetrap for use in space work? How to tell that you are a giant? When a candle burns, why does the top of wick glow if bottom of flame is hottest? What would be the ideal power source for a cybernetic eye? Is it ethical to give a final exam after the professor has quit before teaching the remaining chapters of the course? Is it fair for a professor to grade us on the possession of past papers? Do I really need to have a message in a novel to appeal to readers? Generate an RGB colour grid Is it common practice to audition new musicians one-on-one before rehearsing with the entire band? First console to have temporary backward compatibility What is the meaning of the simile “quick as silk”? How to write