home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Chip Hitware 7 B
/
CHIP_HITWARE_7B.iso
/
Edukacja
/
Sky Chart
/
cdcbase.exe
/
cat
/
elp2000.txt
< prev
next >
Wrap
Text File
|
1999-10-09
|
7KB
|
121 lines
Calcul de la position de la lune .
Le programme ELP82B est traduit en PASCAL .
Les fichiers originaux des sΘries ont ΘtΘ modifiΘs afin de permettre leur
accΦs en PASCAL et de favoriser la vitesse d'exΘcution :
- Seul les termes correspondant α une tronquation de PREC > 10-9 radians
( 0.0002" ) sont conservΘs .
- Les fichiers sont en format binaires .
- Pour les distinguer ces fichiers sont renommΘs ELPBxx.DAT .
Description originale du catalogue :
VI/79 Lunar Solution ELP 2000-82B (Chapront-Touze+, 1988)
================================================================================
ELP 2000-85: a semi-analytical lunar ephemeris adequate for historical times
Chapront-Touze M., Chapront J.
<Astron. Astrophys. 190, 342 (1988)>
=1988A&A...190..342C (SIMBAD/NED BibCode)
The Lunar Ephemeris ELP 2000
Chapront-Touze M., Chapront J.
<Astron. Astrophys. 124, 50 (1983)>
=1983A&A...124...50C (SIMBAD/NED BibCode)
================================================================================
ADC_Keywords: Ephemerides
Keywords: moon - ephemerides - celestial mechanics
Description:
The theory of the lunar motion consists of the series of the
semi-analytical solution ELP2000-82. The constants of the subsequent
lunar ephemeris are fitted to the numerical integration DE200/LE200 of
the Jet Propulsion Laboratory and the arguments come from the
semi-analytical theory ELP 2000-85.
Authors' Address:
M. Chapront-Touze, J. Chapront
Bureau des Longitudes, CNRS URA 707
77, Avenue Denfert-Rochereau
75014, Paris, France
Tel : (33) 1 40 51 22 66 (33) 1 40 51 22 71
Fax : (33) 1 46 33 28 34
Contents:
The semi-analytical lunar theory ELP 2000-82 contains purely
trigonometric series and Poisson series proportional to the time (t)
or the square of the time (t2).
36 data files include the series related to various components of the
theory for the 3 spherical coordinates: longitude, latitude and
distance. Units are arcsecond for longitude and latitude, kilometer
for distance. Arguments, constants and coordinate systems are
described in the notice "Lunar solution ELP 2000-82B" (elp82b.ps).
All this set allows to compute a high precision lunar ephemeris. A
FORTRAN example is provided (EXAMPLE) which makes use of the basic
subroutine ELP82B.
File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
elp82b.ps 512 2413 Postscript Notice "Lunar solution ELP 2000-82B"
elp82b.f 72 294 Fortran77 Subroutine ELP82B (time substitution)
example.f 72 716 Fortran77 program example of use of ELP82B
ELP1 99 1024 Main problem. Longitude periodic terms (sine)
ELP2 99 919 Main problem. Latitude (sine)
ELP3 99 705 Main problem. Distance (cosine)
ELP4 45 348 Earth figure perturbations. Longitude
ELP5 45 317 Earth figure perturbations. Latitude
ELP6 45 238 Earth figure perturbations. Distance
ELP7 45 15 Earth figure perturbations. Longitude/t
ELP8 45 12 Earth figure perturbations. Latitude/t
ELP9 45 9 Earth figure perturbations. Distance/t
ELP10 63 14329 Planetary perturbations. Table 1 Longitude
ELP11 63 5234 Planetary perturbations. Table 1 Latitude
ELP12 63 6632 Planetary perturbations. Table 1 Distance
ELP13 63 4385 Planetary perturbations. Table 1 Longitude/t
ELP14 63 834 Planetary perturbations. Table 1 Latitude/t
ELP15 63 1716 Planetary perturbations. Table 1 Distance/t
ELP16 63 171 Planetary perturbations. Table 2 Longitude
ELP17 63 151 Planetary perturbations. Table 2 Latitude
ELP18 63 115 Planetary perturbations. Table 2 Distance
ELP19 63 227 Planetary perturbations. Table 2 Longitude/t
ELP20 63 189 Planetary perturbations. Table 2 Latitude/t
ELP21 63 170 Planetary perturbations. Table 2 Distance/t
ELP22 45 4 Tidal effects. Longitude
ELP23 45 3 Tidal effects. Latitude
ELP24 45 3 Tidal effects. Distance
ELP25 45 7 Tidal effects. Longitude/t
ELP26 45 5 Tidal effects. Latitude/t
ELP27 45 6 Tidal effects. Distance/t
ELP28 45 21 Moon figure perturbations. Longitude
ELP29 45 13 Moon figure perturbations. Latitude
ELP30 45 15 Moon figure perturbations. Distance
ELP31 45 12 Relativistic perturbations. Longitude
ELP32 45 5 Relativistic perturbations. Latitude
ELP33 45 11 Relativistic perturbations. Distance
ELP34 53 29 Planetary perturbations - solar eccentricity.
Longitude/t2
ELP35 52 14 Planetary perturbations - solar eccentricity.
Latitude/t2
ELP36 52 20 Planetary perturbations - solar eccentricity.
Distance/t2
--------------------------------------------------------------------------------
Remarks :
(1) The document elp82b.ps ("LUNAR SOLUTION ELP 2000-82B") can be
requested directly to the authors. The sources which consist in 36
files (the semi-analytical series) and the programs of use (example.f
and elp82b.f) are also available on diskettes (DOS system).
(2) The subroutine ELP82B and the program EXAMPLE (FORTRAN 77) are
provided to simply illustrate the computation of an ephemeris. If the
user wants to improve the rapidity of computation, it is recommended
to transform files in direct access and/or to read series in memory
once for all.
================================================================================
(End) Gerard Francou [BDL] 31-May-1995