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ISS position computing service

Project description

Requirements

  • aiohttp >= 2.1.0
  • aioredis >= 0.3.1
  • dateutils >= 0.6.6
  • pyaml >= 16.12.2
  • pyephem >= 3.7.6.0
  • tqdm >= 4.14.0
  • ujson >= 1.35

Extra

  • redis

Installing

pip install iss-positioner

Getting started

Start aiohttp application:

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import logging
import os

from aiohttp.web import run_app

from iss_positioner import ISSPositionerService, util, LOG_FORMAT

DIR = os.path.join(os.path.dirname(__file__))
CFG = util.load_cfg(path=os.path.join(DIR, 'iss-positioner.yml'))

if __name__ == '__main__':
    logging.basicConfig(level=logging.DEBUG, format=LOG_FORMAT)
    app = ISSPositionerService(config=CFG)
    run_app(app, port=80)

Usage examples

With using httpie package

Subsat point for date and time:

$ http POST iss-positioner.nkoshelev.tech/coords dt='2017-07-01 17:20:23'
 HTTP/1.1 200 OK
 Content-Length: 133
 Content-Type: application/json; charset=utf-8
 Date: Sat, 10 Jun 2017 22:36:34 GMT
 Server: Python/3.6 aiohttp/2.1.0

 {
     "data": [
         {
             "coords": {
                 "latitude": 29.1957281567,
                 "longitude": -60.4502132535
             },
             "dt": "2017-07-01 17:20:23"
         }
     ],
     "error": false,
     "error_msg": null
 }

Subsat points for date and time range:

$ http POST iss-positioner.nkoshelev.tech/coords start_dt='2017-07-01 17:20:23' end_dt='2017-07-02 00:30:12' step:=3600
HTTP/1.1 200 OK
Content-Length: 590
Content-Type: application/json; charset=utf-8
Date: Sat, 10 Jun 2017 22:36:06 GMT
Server: Python/3.6 aiohttp/2.1.0

{
    "data": [
        {
            "coords": {
                "latitude": -45.0957399616,
                "longitude": 83.1269171834
            },
            "dt": "2017-07-01 18:00:00"
        },
        {
            "coords": {
                "latitude": 8.7403712481,
                "longitude": -66.4947965741
            },
            "dt": "2017-07-01 19:00:00"
        },
        {
            "coords": {
                "latitude": 31.6325051557,
                "longitude": 134.4496509433
            },
            "dt": "2017-07-01 20:00:00"
        },
        {
            "coords": {
                "latitude": -51.320569018,
                "longitude": 8.3954402804
            },
            "dt": "2017-07-01 21:00:00"
        },
        {
            "coords": {
                "latitude": 24.0613209347,
                "longitude": -125.9571602941
            },
            "dt": "2017-07-01 22:00:00"
        },
        {
            "coords": {
                "latitude": 16.9217895882,
                "longitude": 73.4462991357
            },
            "dt": "2017-07-01 23:00:00"
        }
    ],
    "error": false,
    "error_msg": null
}

Find subsat points in radius:

$ http POST iss-positioner.nkoshelev.tech/radius start_dt="2017-06-24 17:20:23" end_dt="2017-06-26 03:30:12" lon:=45.35 lat:=40.31 dist:=155 sun_angle:='{"$between": [1, 90]}'
HTTP/1.1 200 OK
Content-Length: 5233
Content-Type: application/json; charset=utf-8
Date: Mon, 19 Jun 2017 00:32:45 GMT
Server: Python/3.6 aiohttp/2.1.0

{
    "data": {
        "2017-06-25": [
            {
                "coords": [
                    {
                        "coord": {
                            "latitude": 41.6560980011,
                            "longitude": 45.040654242
                        },
                        "dist": 151.9575,
                        "dt": "2017-06-25 11:33:25",
                        "geohash": 3612189142451081,
                        "units": "km"
                    },
                    {
                        "coord": {
                            "latitude": 41.620011176,
                            "longitude": 45.1084819436
                        },
                        "dist": 147.1127,
                        "dt": "2017-06-25 11:33:26",
                        "geohash": 3612189381935032,
                        "units": "km"
                    },
                    ...
                    {
                        "coord": {
                            "latitude": 40.5169486871,
                            "longitude": 47.1061268449
                        },
                        "dist": 150.4877,
                        "dt": "2017-06-25 11:33:56",
                        "geohash": 3612067477243933,
                        "units": "km"
                    }
                ],
                "end": {
                    "coord": {
                        "latitude": 40.5169486871,
                        "longitude": 47.1061268449
                    },
                    "dist": 150.4877,
                    "dt": "2017-06-25 11:33:56",
                    "geohash": 3612067477243933,
                    "units": "km"
                },
                "start": {
                    "coord": {
                        "latitude": 41.6560980011,
                        "longitude": 45.040654242
                    },
                    "dist": 151.9575,
                    "dt": "2017-06-25 11:33:25",
                    "geohash": 3612189142451081,
                    "units": "km"
                },
                "sun_angle": 53.0876931352,
                "title": [
                    45.35,
                    40.31
                ],
                "traverse": {
                    "coord": {
                        "latitude": 41.073352933,
                        "longitude": 46.116220057
                    },
                    "dist": 106.697,
                    "dt": "2017-06-25 11:33:41",
                    "geohash": 3612029254672552,
                    "units": "km"
                }
            }
        ]
    },
    "error": false,
    "error_msg": null
}

Find subsat points in radius for few objects:

$ http POST iss-positioner.nkoshelev.tech/radius start_dt="2017-06-24 17:20:23" end_dt="2017-06-26 03:30:12" objects:='[{"title": "Baku", "lat": 40.46, "lon": 49.83}, {"title": "Ozero Baikal", "lon": 107.75, "lat": 53.216}]' dist:=155 sun_angle:='{"$between": [1, 90]}'
HTTP/1.1 200 OK
Content-Length: 10241
Content-Type: application/json; charset=utf-8
Date: Mon, 19 Jun 2017 00:41:49 GMT
Server: Python/3.6 aiohttp/2.1.0

{
    "data": {
        "2017-06-25": [
            {
                "coords": [
                    {
                        "coord": {
                            "latitude": 39.3338549124,
                            "longitude": 48.8792225718
                        },
                        "dist": 149.2349,
                        "dt": "2017-06-25 05:05:32",
                        "geohash": 3611733843357722,
                        "units": "km"
                    },
                    ...
                    {
                        "coord": {
                            "latitude": 40.8865059627,
                            "longitude": 51.5298727155
                        },
                        "dist": 151.0384,
                        "dt": "2017-06-25 05:06:13",
                        "geohash": 3614217228560593,
                        "units": "km"
                    }
                ],
                "end": {
                    "coord": {
                        "latitude": 40.8865059627,
                        "longitude": 51.5298727155
                    },
                    "dist": 151.0384,
                    "dt": "2017-06-25 05:06:13",
                    "geohash": 3614217228560593,
                    "units": "km"
                },
                "start": {
                    "coord": {
                        "latitude": 39.3338549124,
                        "longitude": 48.8792225718
                    },
                    "dist": 149.2349,
                    "dt": "2017-06-25 05:05:32",
                    "geohash": 3611733843357722,
                    "units": "km"
                },
                "sun_angle": 41.9252071823,
                "title": "Baku",
                "traverse": {
                    "coord": {
                        "latitude": 40.0998146954,
                        "longitude": 50.1561203599
                    },
                    "dist": 48.6902,
                    "dt": "2017-06-25 05:05:52",
                    "geohash": 3612624174040669,
                    "units": "km"
                }
            },
            {
                "coords": [
                    {
                        "coord": {
                            "latitude": 39.8750128105,
                            "longitude": 48.2068732381
                        },
                        "dist": 152.528,
                        "dt": "2017-06-25 11:34:13",
                        "geohash": 3612454092213748,
                        "units": "km"
                    },
                    ...
                    {
                        "coord": {
                            "latitude": 39.1050050778,
                            "longitude": 49.4737878442
                        },
                        "dist": 153.7554,
                        "dt": "2017-06-25 11:34:33",
                        "geohash": 3611782396693308,
                        "units": "km"
                    }
                ],
                "end": {
                    "coord": {
                        "latitude": 39.1050050778,
                        "longitude": 49.4737878442
                    },
                    "dist": 153.7554,
                    "dt": "2017-06-25 11:34:33",
                    "geohash": 3611782396693308,
                    "units": "km"
                },
                "start": {
                    "coord": {
                        "latitude": 39.8750128105,
                        "longitude": 48.2068732381
                    },
                    "dist": 152.528,
                    "dt": "2017-06-25 11:34:13",
                    "geohash": 3612454092213748,
                    "units": "km"
                },
                "sun_angle": 51.3293668014,
                "title": "Baku",
                "traverse": {
                    "coord": {
                        "latitude": 39.4919632142,
                        "longitude": 48.8440749049
                    },
                    "dist": 136.5807,
                    "dt": "2017-06-25 11:34:23",
                    "geohash": 3611732186127579,
                    "units": "km"
                }
            }
        ]
    },
    "error": false,
    "error_msg": null
}

>From LST file:

$ http -f POST iss-positioner.nkoshelev.tech/lst start_dt='2017-06-21 17:20:23' end_dt='2017-06-25 03:30:12' dist=155 sun_angle='{"$between":[60, 90]}' lst@uragan.lst
HTTP/1.1 200 OK
Content-Length: 2773
Content-Type: application/json; charset=utf-8
Date: Sun, 18 Jun 2017 23:18:07 GMT
Server: Python/3.6 aiohttp/2.1.0

{
    "data": {
        "2017-06-22": [
            {
                "coords": [
                    {
                        "coord": {
                            "latitude": 46.3698428995,
                            "longitude": 42.7196744084
                        },
                        "dist": 153.2124,
                        "dt": "2017-06-22 07:42:05",
                        "geohash": 3707104453628981,
                        "units": "km"
                    },
                    ...
                    {
                        "coord": {
                            "latitude": 46.7598274929,
                            "longitude": 43.8530954719
                        },
                        "dist": 153.8867,
                        "dt": "2017-06-22 07:42:19",
                        "geohash": 3707422748292802,
                        "units": "km"
                    }
                ],
                "end": {
                    "coord": {
                        "latitude": 46.7598274929,
                        "longitude": 43.8530954719
                    },
                    "dist": 153.8867,
                    "dt": "2017-06-22 07:42:19",
                    "geohash": 3707422748292802,
                    "units": "km"
                },
                "start": {
                    "coord": {
                        "latitude": 46.3698428995,
                        "longitude": 42.7196744084
                    },
                    "dist": 153.2124,
                    "dt": "2017-06-22 07:42:05",
                    "geohash": 3707104453628981,
                    "units": "km"
                },
                "sun_angle": 61.0532714812,
                "title": "Cimlandskoe vodohran",
                "traverse": {
                    "coord": {
                        "latitude": 46.5663851782,
                        "longitude": 43.2842418551
                    },
                    "dist": 145.685,
                    "dt": "2017-06-22 07:42:12",
                    "geohash": 3707321610769135,
                    "units": "km"
                }
            }
        ]
    },
    "error": false,
    "error_msg": null
}

NikitaKoshelev-MacBook-Pro:responses nkoshelev$

Source code

The latest developer version is available in a github repository: https://github.com/nkoshell/iss-positioner

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