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CelestLab

CNES Space Mechanics Toolbox for Mission Analysis

(1684 downloads for this version - 113632 downloads for all versions)

Details

Version

3.4.2
A more recent valid version exists: 3.5.0

Author

CNES

Owner Organization

CNES

Maintainers

Thierry MARTIN

Alain Lamy

Category

Domain-Specific

License

CeCILL

Creation Date

April 4, 2023

Source created on

Scilab 2023.0.x

Binaries available on

Scilab 2023.0.x:

Windows 64-bit

Windows 32-bit

Linux 64-bit

Linux 32-bit

macOS

Install command

--> atomsInstall("celestlab")

Report a bug

GitLab's issues for celestlab

Description

            
******************************************************************************
CelestLab - CNES Space Mechanics Toolbox for Scilab 
Version 3.4.2		     
******************************************************************************

CelestLab is a Scilab toolbox for Space Flight Dynamics. 

It has been developed by CNES (Centre National d'Etudes Spatiales - 
French Space Agency) for mission analysis purposes.

CelestLab can be used for trajectory analysis and orbit
design for various types of space missions. 
It allows engineers to perform tasks such as: orbit propagation, attitude
computation, elementary manoeuvre computation, change of coordinate systems,
...


CelestLab comes with an extension module called CelestLabX.  
The features in CelestLab that require CelestLabX to be installed are
related to: 
- STELA: CNES orbit long-term propagation software
- Two Line Elements 
- MSIS2000 atmospheric model 


Note: 
- CelestLab can be used with Scilab versions 5.5.x to 2023.x.x 
- The version of CelestLabX that should be used is 3.4.2 

See: 
- CelestLabX Atoms page for more details about CelestLabX: 
http://atoms.scilab.org/toolboxes/celestlabx
- The detailed changelog in CelestLab menu for more information about what has
changed in CelestLab compared to the previous version. 

Note: binary version has been created using Scilab 6.0.2, but is compatible with
Scilab 2023.0.0.

Files (2)

[64.47 MB]

celestlab-3.4.2-bin.zip

OS-independent binary for Scilab 2023.0.x

Binary version (OS-independent)

Upload date : 2023-04-04 12:09:07
MD5         : 21d8a0944a6550e7dd9abc8214a5ee80
SHA1        : 24b1179a746a0ca8338fedb3de79d404fe61372a
Downloads   : 1052

[58.12 MB]

CL_3.4.2.zip

Source code archive

Upload date : 2023-04-04 12:01:03
MD5         : 6837e969f34d7986111cbf2fe6f84a7b
SHA1        : 0120c93fd90fc315d5c9cd612f9f4204c44264d4
Downloads   : 632

News (0)

Comments (5) ↓ Leave a comment

Comment from Hiroshi Tachihara -- October 15, 2023, 08:40:29 AM

This comment has been deleted.

Comment from Hani Ibrahim -- October 15, 2023, 08:20:38 PM

Im not in the Celestlab-Team, but:

It says what the problem is: "... not an exact day" 

[2023; 10; 15; 0; 0; 1] is not an exact day, [2023; 10; 15; 0; 0; 0] is.

In the help page: 
- if nd is equal to -1, the calendar date should be an EXACT DAY, and only the day appear
in the string.

IMHO nd=-1 does not cut off the time and just show the day. It does not display the time
when it is 0:0:0.000

What work in Scilab 2023.1.0:

cal2 = [2023; 10; 15; 0; 0; 1]
CL_dat_cal2str(cal2(1:3,$),nd=-1)

Regards Hani Ibrahim

Comment from Hiroshi Tachihara -- October 15, 2023, 11:01:19 PM

Hello

CL_dat_cal2str([2023; 10; 15; 0; 0; 0], -1) does work well.
CL_dat_cal2str([2023; 10; 15; 0; 0; 1], -1) generates the next error.
*** Celestlab: Invarid calendar date: not an exact day
Please check it.

Hiroshi Tachihara

Comment from Alain Lamy

-- October 16, 2023, 08:39:37 AM

Hi, 

I confirm what Ibrahim said: 

The date (as a string) can be written "yyyy/mm/dd" only if the corresponding
Julian date 
(as computed by CL_dat_cal2cjd) is a whole number, which implies that the date is at 0h. 

CL_dat_cal2cjd([2023; 10; 15; 0; 0; 0]) -> 26950  => whole number => can be
converted to 
string with nd = -1

CL_dat_cal2cjd([2023; 10; 15; 0; 0; 1]) ->  26950.000011574... => not a whole number
=> 
cannot be converted to string with nd = -1

Alain

Comment from Hiroshi Tachihara -- October 16, 2023, 12:24:19 PM

Thank you very much, Hani Ibrahim and Alain.

I understand about nd = -1. I jumped conclusion.

Hiroshi Tachihara