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Ephemerides with constant step on time
Ephemerides and (O-C) for a file of dates and positions
Configuration
MULTISAT. Ephemerides of planets and natural satellites.
Ephemerides and (O-C) for a file of dates and positions
Satellites of Neptune
Theory version:
Choose the theory for satellite
Triton by Emelyanov, Samorodov (2015) by default
Triton by Jacobson (2009)
Triton by Zhang (2014)
See default versions
Choose a Satellite
Neptunian system barycenter
Center of Neptune
N1 Triton
N2 Nereid
N3 Naiade
N4 Thalassa
N5 Despina
N6 Galatea
N7 Larissa
N14 Hippocamp (S/2004_N1)
N8 Proteus
N9 Halimede (S/2002_N1)
N11 Sao (S/2002_N2)
N12 Laomedeia (S/2002_N3)
N13 Neso (S/2002_N4)
N10 Psamathe (S/2003_N1)
of Neptune
Relative to
geo-equator and equinox
Center of Neptune
N1 Triton
N2 Nereid
N3 Naiade
N4 Thalassa
N5 Despina
N6 Galatea
N7 Larissa
N14 Hippocamp (S/2004_N1)
N8 Proteus
N9 Halimede (S/2002_N1)
N11 Sao (S/2002_N2)
N12 Laomedeia (S/2002_N3)
N13 Neso (S/2002_N4)
N10 Psamathe (S/2003_N1)
Choose the planetary ephemerides:
INPOP19a
INPOP17a
INPOP13C
EPM2021
DE441
DE431
DE405
DE406
DE200
VSOP87
LeVerrier
Enter Observatory code (XXX)
(500 for geocenter) See
the list
Choose Epoch of equator and equinox
ICRF
FK5
J2000
Mean of Date (IAU1976)
True of Date (IAU1976, IAU1980)
Apparent (IAU1976, IAU1980)
B1950
B1900
Mean of Date (Newcomb)
Mean of Jan 1 of the year (Newcomb)
True of Date (Newcomb, IAU1948)
Apparent (Newcomb, IAU1948)
(
Description
)
Choose Time Scale:
UTC
TT
For your observations
choose format of the moment
Year month day hour min sec.decimals
Year month day.decimals
JD (Julian Day)
MJD (Modified Julian Day)
and format of the data
Alpha (h,m,s.decimals), Delta (°,',".decimals)
Alpha (h.decimals), Delta (deg.decimals)
Diff. X, Y (arcsec)
Diff. S(arcsec), Position angle (degrees)
Tang. X, Y (arcsec)
Tang. S(arcsec), Position angle (degrees)
Delta(Alpha), Delta(Delta) (arcsec)
x, y, z, Vx, Vy, Vz Geo-equatorial
Topoc.alt.,azim.of sat.,alt.,azim.of the Sun
Dist.Sun.-Plan.,app.plan.R,Phase,magn.of sat.
MPC format of observations
(
Explications
)
get precision if available
Choose operation :
or
Enter your results to calculate O-C
Enter a set of dates to generate ephemerides
In each line enter your observations (one observations/date per line)
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