OrbitCategory.java

  1. /* Copyright 2002-2025 CS GROUP
  2.  * Licensed to CS GROUP (CS) under one or more
  3.  * contributor license agreements.  See the NOTICE file distributed with
  4.  * this work for additional information regarding copyright ownership.
  5.  * CS licenses this file to You under the Apache License, Version 2.0
  6.  * (the "License"); you may not use this file except in compliance with
  7.  * the License.  You may obtain a copy of the License at
  8.  *
  9.  *   http://www.apache.org/licenses/LICENSE-2.0
  10.  *
  11.  * Unless required by applicable law or agreed to in writing, software
  12.  * distributed under the License is distributed on an "AS IS" BASIS,
  13.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14.  * See the License for the specific language governing permissions and
  15.  * limitations under the License.
  16.  */
  17. package org.orekit.files.ccsds.ndm.odm.ocm;

  18. /** Orbit category used in CCSDS {@link Ocm Orbit Comprehensive Messages}.
  19.  * @author Luc Maisonobe
  20.  * @since 11.0
  21.  */
  22. public enum OrbitCategory {

  23.     /** Extended Geostationary Orbit, 37948 < a < 46380 km, e < 0.25, i < 25°. */
  24.     EGO("Extended Geostationary Orbit"),

  25.     /** Escape Orbit. */
  26.     ESO("Escape Orbit"),

  27.     /** GEO-superGEO, Crossing Orbit 31570 < hp < 40002 km, 40002 km < ha. */
  28.     GHO("GEO-superGEO, Crossing Orbit"),

  29.     /** Geosynchronous Earth Orbit, with i > 3°, 35586 < hp < 35986 km, 35586 < ha < 35986 km. */
  30.     GEO("Geosynchronous Earth Orbit"),

  31.     /** GeoStationary Orbit, with 3° < i < 25°, 35586 < hp < 35986 km, 35586 < ha < 35986 km. */
  32.     GSO("GeoStationary Orbit"),

  33.     /** Geosynchronous Transfer Orbit, i < 90°, hp < 2000 km, 31570 < ha < 40002 km. */
  34.     GTO("Geosynchronous Transfer Orbit"),

  35.     /** High Altitude Earth Orbit, 40002 km < hp, 40002 km < ha. */
  36.     HAO("High Altitude Earth Orbit"),

  37.     /** Highly Eccentric Earth Orbit, hp < 31570 km, 40002 km < ha. */
  38.     HEO("Highly Eccentric Earth Orbit"),

  39.     /** Inclined Geosynchronous Orbit, 37948 < a < 46380 km, e < 0.25, 25° < i < 180°. */
  40.     IGO("Inclined Geosynchronous Orbit"),

  41.     /** Low Earth Orbit, hp < 2000 km, ha < 2000 km. */
  42.     LEO("Low Earth Orbit"),

  43.     /** LEO-MEO Crossing Orbit, hp < 2000 km, 2000 < ha < 31570 km. */
  44.     LMO("LEO-MEO Crossing Orbit"),

  45.     /** Medium Earth Orbit, 2000 < hp < 31570 km, 2000 < ha < 31570 km. */
  46.     MEO("Medium Earth Orbit"),

  47.     /** MEO-GEO Crossing Orbit, 2000 < hp < 31570 km, 31570 < ha < 40002 km. */
  48.     MGO("MEO-GEO Crossing Orbit"),

  49.     /** Navigation Satellites Orbit 50° < i < 70°, 18100 < hp < 24300 km, 18100 < ha < 4300 km. */
  50.     NSO("Navigation Satellites Orbit"),

  51.     /** UFO: Undefined Orbit. */
  52.     UFO("Undefined Orbit");

  53.     /** Description. */
  54.     private final String description;

  55.     /** Simple constructor.
  56.      * @param description description
  57.      */
  58.     OrbitCategory(final String description) {
  59.         this.description = description;
  60.     }

  61.     /** {@inheritDoc} */
  62.     @Override
  63.     public String toString() {
  64.         return description;
  65.     }

  66. }