diff --git a/get_tle.py b/get_tle.py new file mode 100644 index 0000000..588a84c --- /dev/null +++ b/get_tle.py @@ -0,0 +1,91 @@ +import requests +import json +import array +import sys + +web_tle = [ 'http://www.celestrak.com/NORAD/elements/weather.txt', 'https://www.celestrak.com/NORAD/elements/stations.txt' ] + +sats_of_interest = { 'NOAA-15':'NOAA 15', 'NOAA-18':'NOAA 18', 'NOAA-19':'NOAA 19', 'METEOR-M1':'METEOR-M 1', 'METEOR-M2':'METEOR-M 2', 'ISS':'ISS (ZARYA)' } +#sats_of_interest = { 'NOAA-15':'NOAA 15' } + + +#page = urllib2.urlopen(web_noaa_tle) +#page = requests.get(web_noaa_tle, stream=True) + +#NOAA 15 [B] +#1 25338U 98030A 16173.50363904 .00000079 00000-0 52195-4 0 9991 +#2 25338 98.7825 177.6616 0010829 167.3279 192.8174 14.25734916941605 + +data = {} +line_num = 0 +cur_sat_line = -1 +cur_sat = "" + +def check_line1(str): + if( len(str) == 69 ): + fields = {} + fields['line number'] = int(str[0:1]) + fields['satellite number + classification'] = str[3:9] + fields['international designator'] = str[10:17] + fields['epoch'] = float(str[19:32]) + fields['1st mean motion'] = float(str[34:43]) + fields['2nd mean motion'] = str[45:52] + fields['BSTAR drag term'] = str[54:61] + fields['the number 0'] = int(str[62:63]) + fields['element set number + checksum'] = int(str[65:69]) + + else: + return False + return True + +def check_line2(str): + if( len(str) == 69 ): + fields = {} + fields['line number'] = str[0:1] + fields['satellite number'] = str[3:7] + fields['inclination'] = str[9:16] + fields['right ascension'] = str[18:25] + fields['eccentricity'] = str[27:33] + fields['argument of perigee'] = str[35:42] + fields['mean anomaly'] = str[44:51] + fields['mean motion + revolution number + checksum'] = str[53:69] + print fields + return fields + + for field, data in fields.iteritems(): + if( not float(data).isnum() ): + print field, data, "is not an number!" + return False + else: + return False + return True + +for tle in web_tle: + page = requests.get(tle, stream=True) + for line in page.iter_lines(): + #print '>>', line + for hsat, sat in sats_of_interest.iteritems(): + if( line.startswith(sat) ): + cur_sat_line = line_num + cur_sat = hsat + + if( line_num == cur_sat_line + 1 and cur_sat_line >= 0 ): + if( check_line1(line) ): + data[cur_sat] = line +# else: +# sys.exit("Malformed Data (Line 1), Exiting. " + line) + + if( line_num == cur_sat_line + 2 and cur_sat_line >= 0 ): + if( check_line2(line) ): + data[cur_sat] = data[cur_sat] + '\n' + line +# else: +# sys.exit("Malformed Data (Line 2), Exiting. " + line) + + line_num = line_num + 1 + + +for s, tle in data.iteritems(): + print s, '\n', tle + +with open('sat_tle.txt', 'w') as fp: + json.dump(data, fp) diff --git a/setup.sh b/setup.sh new file mode 100644 index 0000000..92209ea --- /dev/null +++ b/setup.sh @@ -0,0 +1,6 @@ +apt-get update +apt-get install git cmake make libusb-1.0-0-dev python-dev +git clone https://github.com/nsat/pypredict +python pypredict/setup.py install +mkdir sat_scheds +mkdir sat_output