© NASA/Voyager 2
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Neptune is visible between 20:10 and 03:40. It will become accessible around 20:10, when it rises to an altitude of 21° above your south-eastern horizon. It will reach its highest point in the sky at 23:55, 45° above your southern horizon. It will become inaccessible around 03:40 when it sinks below 21° above your south-western horizon.
Orbital elements 
|Semi-major axis:||30.07 AU|
|Longitude ascending node:||131.72°|
|Argument of perihelion:||-86.75°|
|Epoch of elements:||01 January 2000|
|Mean Anomaly at epoch:||259.91°|Derived quantities
|Orbital period:||164.88 years|Sources
| ||Robin M. Green, Spherical Astronomy, 1985, ISBN 0-521-31779-7|
| ||Explanatory Supplement to the Astronomical Almanac. 1992. K. P. Seidelmann, Ed., p.316|
Visibility from Fairfield
All times shown in Fairfield local time.
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