Russian version of the page
Description
Simulation of the motion of a small body of the Solar system
Name of the object
Input data
The way of input
To take into account pertubations from the following planets:
Epoch (JD, TT)
Initial motion parameters
2.63175247682656786E-02 -1.15069612611999668E+00 -5.26832094716382978E-01 7.54329011174517878E-03 -8.93364562089686035E-03 -7.50017430598116142E-03
Mass of the object:
of the Sun's mass
Start ephemeris time (JD):
Final ephemeris time (JD):
Output step:
days
hours
min
rectangular coordinates and velocities
Keplerian elements
Elements must obey the following order:
1) perihelion distance q (AU)
2) eccentricity e
3) inclination i (deg.)
4) ascending node W (deg.)
5) argument of perihelion w (deg.)
6) mean anomaly M (deg.)
When using rectangular coordinates
firstly must be input three coordinates (in AU)
and then three velocities (in AU/day),
For the transformation of coordinates press
here
All time moments are input and output
in the time scale TT.
For the transformation of the epoch or other
time moment press
here
Mercury
Jupiter
Pluto
Venus
Saturn
Moon
Earth
Uranus
Mars
Neptune
Ephemerides of planets and the Moon to compute the perturbations:
DE405 (2305424.5 - 2524624.5)
DE433 (2287184.5 - 2688976.5)
DE408 (-1938159.5 - 5376912. 5)
DE434 (2287184.5 - 2688976.5)
DE414 (2305424.5 - 2524624.5)
DE435 (2287184.5 - 2688976.5)
DE421 (2414992.5 - 2469808.5)
DE436 (2287184.5 - 2688976.5)
DE422 (1720688.5 - 7199728.5)
DE437 (2287184.5 - 2688976.5)
DE423 (2378480.5 - 2524624.5)
DE438 (2287184.5 - 2688976.5)
DE424 (625296.5 - 2780272.5)
DE440 (2287184.5 - 2688976.5)
DE425 (2305424.5 - 2524624.5)
DE441 (-3100015.5 - 8000016.5)
DE430 (2287184.5 - 2688976.5)
EPM2011 (2374000.5 - 2530000.5)
DE431 (-3100015.5 - 7999984.5)
EPM2015 (2414992.5 - 2530000.5)
DE432 (2287184.5 - 2688976.5)
smoothed variant of the selected ephemeris
step correction according to ephemeris interpolation intervals
The basic
plane:
equator 2000.0
ecliptic 2000.0
  Initial integration step (days):
  Order of the Everhart's method:
7
11
15
19
23
27
31
35
39
   LL parameter:
To compute relativistic effect
To compute nongravitational forces (for comets)
Parameters of nongravitational forces: A
1
=
A
2
=
AU/day
2
Floating-point numbers' bit capacity:
64 (16 decimal digits)
80 (19 decimal digits)
128 (34 decimal digits)
To compute approaches to the following planets:
(at the right the maximal distance (in AU)
to the planet's center should be input)
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto
Moon
What to output in the ephemeris
The way of output
Format of output
Number of
decimal digits
right ascension (alpha)
and declination (delta)
in the reference frame 2000.0
number of observatory
,
for which they are computed
h m s and deg. min sec
radians
 
rectangular coordinates
velocities
     (heliocentric)
equator 2000.0
ecliptic 2000.0
AU, AU/day
million km, km/s
fixed
exponential
Orbital elements
(ecliptic 2000.0)
semi-major axis a
perihelion distance q
mean daily motion n (.../day)
eccentricity e
inclination i
ascending node W
argument of perihelion w
mean anomaly M
perihelion time tau
Linear elements:
AU
million km
fixed
exponential
Angular elements:
degrees
radians
Perihelion time:
JD
year month day
 
Distance (d_) to:
Sun (0)
Saturn (6)
Mercury (1)
Uranus (7)
Venus (2)
Neptune (8)
Earth (3)
Pluto (9)
Mars (4)
Moon (10)
Jupiter (5)
AU
million km
fixed
exponential
Time moments (TT)
JD
year month day h min sec
year month day with a fr. part
year with a fractional part