Neptune - Neptune Neptune Neptune from Voyager 2 with Great...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Neptune Neptune Neptune from Voyager 2 with Great Dark Spot at left Discovery Discovered by Urbain Le Verrier John Couch Adams Johann Galle Discovery date September 23, 1846 [1] Designations Pronunciation i / ˈ n ɛ p t u ː n / [2] Adjective Neptunian Orbital characteristics [3] [4] Epoch J2000 Aphelion 4,553,946,490 km 30.44125206 AU Perihelion 4,452,940,833 km 29.76607095 AU Semi-major axis 4,503,443,661 km 30.10366151 AU Eccentricity 0.011214269 Orbital period 60,190 [5] days 164.79 years 89,666 Neptune solar days [6] Synodic period 367.49 day [7] Average orbital speed 5.43 km/s [7] Mean anomaly 267.767281°
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Inclination 1.767975° to Ecliptic 6.43° to Sun’s equator 0.72° to Invariable plane [8] Longitude of ascending node 131.794310° Argument of perihelion 265.646853° Satellites 13 Physical characteristics Equatorial radius 24,764 ± 15 km [9] [10] 3.883 Earths Polar radius 24,341 ± 30 km [9] [10] 3.829 Earths Flattening 0.0171 ± 0.0013 Surface area 7.6183×10 9 km 2 [5] [10] 14.98 Earths Volume 6.254×10 13 km 3 [7] [10] 57.74 Earths Mass 1.0243×10 26 kg [7] 17.147 Earths Mean density 1.638 g/cm 3 [7]
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

Neptune - Neptune Neptune Neptune from Voyager 2 with Great...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online