Neptune Viewer 3.0 Results

Input Parameters
----------------
 
Observation time: 2021-10-07 07:25
       Ephemeris: NEP081 + NEP095 + DE440
   Field of view: 10 (seconds of arc)
  Diagram center: Neptune
       Viewpoint: Earth's center
    Moon selection: All inner moons (N1-N8,N14)
  Ring selection: LeVerrier, Adams
       Arc model: #2 (820.1118 deg/day)
  Standard stars: No
 Additional star: No
    Other bodies: None
           Title: 
     Moon labels: Small (6 points)
Moon enlargement: 0 (points)
     Blank disks: No
      Arc weight: 4 (points)
 Prime meridians: Yes
 
 
Field of View Description (J2000)
---------------------------------
 
     Body          RA                 Dec                 RA (deg)    Dec (deg)    dRA (")     dDec (")
 899 Neptune       23h 28m 17.7510s    -4d 41m 40.978s    352.073962   -4.694716      0.000      0.000
 801 Triton        23h 28m 17.0094s    -4d 41m 52.414s    352.070872   -4.697893    -11.087    -11.436
 802 Nereid        23h 28m 42.2572s    -4d 38m 35.593s    352.176072   -4.643220    366.360    185.385
 803 Naiad         23h 28m 17.8057s    -4d 41m 41.639s    352.074190   -4.694900      0.818     -0.661
 804 Thalassa      23h 28m 17.6286s    -4d 41m 42.501s    352.073452   -4.695139     -1.830     -1.523
 805 Despina       23h 28m 17.8727s    -4d 41m 40.367s    352.074470   -4.694546      1.820      0.611
 806 Galatea       23h 28m 17.8035s    -4d 41m 41.811s    352.074181   -4.694948      0.785     -0.833
 807 Larissa       23h 28m 17.5622s    -4d 41m 42.983s    352.073176   -4.695273     -2.822     -2.005
 808 Proteus       23h 28m 17.9990s    -4d 41m 40.206s    352.074996   -4.694502      3.708      0.772
 814 Hippocamp     23h 28m 17.7896s    -4d 41m 42.997s    352.074123   -4.695277      0.577     -2.018
 
                   Sub-Observer         Sub-Solar     
     Body          Lon(degW) Lat(deg)   Lon(degW) Lat(deg)   Phase(deg)   Distance(10^6 km)
 899 Neptune       119.256   -22.782    118.466   -22.610      0.75134    4338.354329
 801 Triton        243.335   -35.865    242.578   -35.437      0.75148    4338.237612
 802 Nereid        100.118     3.726     99.371     3.746      0.74807    4336.800925
 803 Naiad         199.350   -26.858    198.530   -26.720      0.75133    4338.397183
 804 Thalassa      236.105   -22.976    235.314   -22.804      0.75136    4338.355604
 805 Despina        59.009   -22.769     58.222   -22.594      0.75131    4338.387909
 806 Galatea       343.647   -22.825    342.861   -22.651      0.75132    4338.411414
 807 Larissa       252.931   -22.983    252.139   -22.813      0.75137    4338.343394
 808 Proteus        34.218   -23.003     33.431   -22.822      0.75129    4338.440907
 814 Hippocamp     287.004   -22.973    286.217   -22.798      0.75132    4338.449959
 
   Ring sub-solar latitude (deg): -22.61024  (-22.61915  to -22.60134)
  Ring plane opening angle (deg): -22.78248  (lit)
   Ring center phase angle (deg):   0.75134
       Sub-solar longitude (deg): 149.96998  from ring plane ascending node
    Sub-observer longitude (deg): 149.17958

        Sun-planet distance (AU):  29.92193
   Observer-planet distance (AU):  29.00011
        Sun-planet distance (km):  4476.256293 x 10^6
   Observer-planet distance (km):  4338.354329 x 10^6
         Light travel time (sec): 14471.192364

  
       Courage longitude (deg):  63.81977  to  64.81977  from ring plane ascending node
       Liberte longitude (deg):  55.01978  to  59.11976
     Egalite A longitude (deg):  44.21976  to  45.21976
     Egalite B longitude (deg):  40.41978  to  43.41978
    Fraternite longitude (deg):  26.41978  to  36.01978

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