{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from pywwt.jupyter import WWTJupyterWidget\n",
    "from astropy.coordinates import SkyCoord, concatenate\n",
    "from astropy import units as u\n",
    "from astropy.time import Time\n",
    "import time\n",
    "wwt = WWTJupyterWidget()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "wwt"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "wwt.set_view('Solar System')\n",
    "wwt.solar_system.scale = 99\n",
    "wwt.solar_system.track_object('sun')\n",
    "wwt.solar_system.orbits = False"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "wwt.center_on_coordinates(SkyCoord(339.32980758, 20.78999814, unit=u.deg), fov=.6*u.deg)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# show three earth months of the SS in 2019\n",
    "tm = Time('2019-07-01')\n",
    "tm.format = 'jd'\n",
    "start = tm.value\n",
    "\n",
    "while(tm.value - start <= 92):\n",
    "    wwt.set_current_time(tm)\n",
    "    time.sleep(.1)\n",
    "    tm = Time(tm.value + .5, format='jd')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Credits\n",
    "\n",
    "This notebook was prepared by O. Justin Otor with contributions from Thomas Robitaille."
   ]
  }
 ],
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