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poliastro

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Chat about poliastro, a Python library for Astrodynamics https://docs.poliastro.space3 Servers

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17 Jun 2019
@astrojuanlu:matrix.orgastrojuanluhi @room ! I just applied to the GitHub Sponsors waiting list https://github.co/2IHdeOw if you value my open source work, please consider nominating me using the form. later on this year I plan to set up an Open Collective for poliastro so we can also gather funds for the project as a whole.13:25:41
@jorgepiloto:matrix.orgjorgepilotoHi team! I saw the merged PR. Hope to close soon the others related with Lambert 👍🏼14:37:35
@jorgepiloto:matrix.orgjorgepiloto
En respuesta a @wilselwood:matrix.org
I wonder how much of this could be automated: https://github.com/eleanorlutz/asteroids_atlas_of_space
Those plots are crazy! They look like a video game
14:38:38
@jorgepiloto:matrix.orgjorgepilotoWow! This other repo from the same user is also amazing 😲 https://github.com/eleanorlutz/topography_atlas_of_space15:50:05
@wilselwood:matrix.orgwilselwood
In reply to @jorgepiloto:matrix.org
Wow! This other repo from the same user is also amazing 😲 https://github.com/eleanorlutz/topography_atlas_of_space
Dang!
15:52:12
@wilselwood:matrix.orgwilselwoodThat one is going in the work "Map Porn" chat channel15:53:37
@cadair:cadair.com@cadair:cadair.com
In reply to @wilselwood:matrix.org
Dang!
O.O
19:56:00
@cadair:cadair.com@cadair:cadair.com That's amazing. 19:56:08
18 Jun 2019
@astrojuanlu:matrix.orgastrojuanlu good morning everyone! Chatziargyriou Eleftheria jorgepiloto , status updates? 😁 06:58:29
@astrojuanlu:matrix.orgastrojuanlutoday it's unlikely I will work on poliastro things but I will be here to lend you a hand with what you're doing06:59:07
@jorgepiloto:matrix.orgjorgepilotoI am planning to investigate more on those strange solutions in Lambert 😊👍🏼08:00:20
@sedictious:matrix.orgChatziargyriou Eleftheria Good morning! I get more and more busy with the exams, but luckily it'll be over in just over a week. I planned on adding a few more missing parameters for czml3, but I think it would be best adressed on a separate PR. After a couple more additions, I'll be ready to push the refactored extractor 09:18:07
@astrojuanlu:matrix.orgastrojuanluexcellent! ping me if you have any issues :)09:18:41
@sedictious:matrix.orgChatziargyriou EleftheriaWill do 😊09:19:34
19 Jun 2019
@astrojuanlu:matrix.orgastrojuanlu jorgepiloto: did you see anything meaningful with the Lambert solutions? 08:33:18
@astrojuanlu:matrix.orgastrojuanlu Chatziargyriou Eleftheria already told me she's about to publish new properties for czml3 08:33:35
@jorgepiloto:matrix.orgjorgepilotoSorry, I did not see the message till now. Not sure why notifications do not show in my devices 😕09:19:23
@jorgepiloto:matrix.orgjorgepiloto I also found that the plot T vs x for multiple revolutions is shown in Battin 1999 09:22:20
@astrojuanlu:matrix.orgastrojuanluah, that's perfect! I have that book in the office, I can check it out later09:26:51
@jorgepiloto:matrix.orgjorgepilotoI am still checking the whole algorithm and the subroutines from the iod.izzo module. But these minor error are strange since most of solutions seem to converge to the good ones 🤔09:28:37
@astrojuanlu:matrix.orgastrojuanluScreenshot from 2019-06-19 11-27-26.png
Download Screenshot from 2019-06-19 11-27-26.png
09:28:53
@astrojuanlu:matrix.orgastrojuanlumake sure you configured your notifications properly :)09:29:02
@astrojuanlu:matrix.orgastrojuanlu
In reply to @jorgepiloto:matrix.org
I am still checking the whole algorithm and the subroutines from the iod.izzo module. But these minor error are strange since most of solutions seem to converge to the good ones 🤔
interesting! if in doubt, I think https://github.com/esa/pykep must have an alternative implementation (because it's Dario Izzo astrodynamics library)
09:30:33
@astrojuanlu:matrix.orgastrojuanlu or probably you can ask in #gitter_esa=2Fpykep:matrix.org 09:30:46
@astrojuanlu:matrix.orgastrojuanlu(however, make sure you don't translate code from pykep to poliastro because pykep is GPL)09:31:27
@jorgepiloto:matrix.orgjorgepilotoOh! I had dissabled notifications from groups... This is strange, I did not changed anything. Anyway, it seem like they are working again 👍️ If I get stucked with this issue I will ask is the pykep group. I am going to check the pykep package. Thanks! 🚀09:35:34
@jorgepiloto:matrix.orgjorgepiloto

This is the C code implementation of the Izzo's algorithm in pykep package: https://github.com/esa/pykep/blob/master/src/lambert_problem.cpp

I will compare it against poliastro's one and also check everything with the original paper

09:44:05
@astrojuanlu:matrix.orgastrojuanlu or maybe, if you manage to install it jorgepiloto (there's conda install pykep -c conda-forge if you need it), maybe you can compare the output first 09:56:54
@astrojuanlu:matrix.orgastrojuanluprobably it's easy than looking at lines of code09:57:06
@astrojuanlu:matrix.orgastrojuanluyour call :)09:57:21

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