Umbau auf server

2026-07-13 20:00:07 +02:00
parent 97357a88e0
commit 3193397dc7
1036 changed files with 365042 additions and 3 deletions
@@ -0,0 +1,51 @@
+"""Support for Orbit Mean-Elements Message (OMM) orbital elements format."""
+
+import csv
+import xml.etree.ElementTree as ET
+from datetime import datetime
+from math import pi
+from sgp4.api import WGS72
+
+def parse_csv(file):
+    return csv.DictReader(file)
+
+def parse_xml(file):
+    root = ET.parse(file).getroot()
+    for segment in root.findall('.//segment'):
+        metadata = segment.find('metadata')
+        data = segment.find('data')
+        meanElements = data.find('meanElements')
+        tleParameters = data.find('tleParameters')
+        fields = {}
+        for element in metadata, meanElements, tleParameters:
+            fields.update((field.tag, field.text) for field in element)
+        yield fields
+
+_epoch0 = datetime(1949, 12, 31)
+_to_radians = pi / 180.0
+_ndot_units = 1036800.0 / pi  # See SGP4.cpp for details.
+_nddot_units = 2985984000.0 / 2.0 / pi  # See SGP4.cpp for details.
+
+def initialize(sat, fields, gravconst=WGS72):
+    sat.classification = fields['CLASSIFICATION_TYPE']
+    sat.intldesg = fields['OBJECT_ID'][2:].replace('-', '')
+    sat.ephtype = int(fields['EPHEMERIS_TYPE'])
+    sat.elnum = int(fields['ELEMENT_SET_NO'])
+    sat.revnum = int(fields['REV_AT_EPOCH'])
+
+    epoch_datetime = datetime.strptime(fields['EPOCH'], '%Y-%m-%dT%H:%M:%S.%f')
+    epoch = (epoch_datetime - _epoch0).total_seconds() / 86400.0
+
+    argpo = float(fields['ARG_OF_PERICENTER']) * _to_radians
+    bstar = float(fields['BSTAR'])
+    ecco = float(fields['ECCENTRICITY'])
+    inclo = float(fields['INCLINATION']) * _to_radians
+    mo = float(fields['MEAN_ANOMALY']) * _to_radians
+    nddot = float(fields['MEAN_MOTION_DDOT']) / _nddot_units
+    ndot = float(fields['MEAN_MOTION_DOT']) / _ndot_units
+    no_kozai = float(fields['MEAN_MOTION']) / 720.0 * pi
+    nodeo = float(fields['RA_OF_ASC_NODE']) * _to_radians
+    satnum = int(fields['NORAD_CAT_ID'])
+
+    sat.sgp4init(gravconst, 'i', satnum, epoch, bstar, ndot, nddot, ecco,
+                 argpo, inclo, mo, no_kozai, nodeo)