Switch from "celestrak.com" to "celestrak.org"

GUI/xephem/fallbacks.c

@@ -744,11 +744,11 @@ String fallbacks[] = {
     "XEphem*WCS.y: 10",
     "XEphem*WebDB*Pattern.value: ",
     "XEphem*WebDB*Search.set: False",
-    "XEphem*WebDB*URL0.value: http://celestrak.com/NORAD/elements/stations.txt",
-    "XEphem*WebDB*URL1.value: http://celestrak.com/NORAD/elements/science.txt",
-    "XEphem*WebDB*URL2.value: http://celestrak.com/NORAD/elements/tle-new.txt",
-    "XEphem*WebDB*URL3.value: http://celestrak.com/NORAD/elements/amateur.txt",
-    "XEphem*WebDB*URL4.value: http://celestrak.com/NORAD/elements/visual.txt",
+    "XEphem*WebDB*URL0.value: http://celestrak.org/NORAD/elements/stations.txt",
+    "XEphem*WebDB*URL1.value: http://celestrak.org/NORAD/elements/science.txt",
+    "XEphem*WebDB*URL2.value: http://celestrak.org/NORAD/elements/tle-new.txt",
+    "XEphem*WebDB*URL3.value: http://celestrak.org/NORAD/elements/amateur.txt",
+    "XEphem*WebDB*URL4.value: http://celestrak.org/NORAD/elements/visual.txt",
     "XEphem*WebDB*URL5.value: https://www.minorplanetcenter.net/iau/Ephemerides/Comets/Soft03Cmt.txt",
     "XEphem*WebDB*URL6.value: https://www.minorplanetcenter.net/iau/Ephemerides/CritList/Soft03CritList.txt",
     "XEphem*WebDB*URL7.value: https://www.minorplanetcenter.net/iau/Ephemerides/Distant/Soft03Distant.txt",

GUI/xephem/help/xephem.html

@@ -7992,7 +7992,7 @@ format if it is not already.<br>
 <br>
 Several particularly useful sites as of this build are already entered.
 The first five are from Dr. TS Kelso's Earth satellite lists at <a
- href="http://www.celestrak.com">celestrak.com</a>. The other four are
+ href="http://www.celestrak.org">celestrak.org</a>. The other four are
 the Minor Planet Center's lists of hot comets and unusual asteroids
 specially formatted for <a
  href="https://www.minorplanetcenter.net/iau/Ephemerides/Soft03.html">XEphem</a>.
@@ -8950,7 +8950,7 @@ code, as converted from FORTRAN to C by Magnus Backstrom,
 b@eta.chalmers.se. See "Spacetrack Report Number 3: Models for
 Propagation of NORAD Element Sets" at
 <a target="new"
- href="http://www.celestrak.com/NORAD/documentation/spacetrk.pdf">http://www.celestrak.com/NORAD/documentation/spacetrk.pdf</a>
+ href="http://www.celestrak.org/NORAD/documentation/spacetrk.pdf">http://www.celestrak.org/NORAD/documentation/spacetrk.pdf</a>
 </p>
 <p>Improvements to Delta T code, help and wording contributed by Neal
 McBurnett, nealmcb@bell-labs.com.</p>

Site/changes.html

@@ -26,6 +26,8 @@ Not yet released.
       if the code detects it’s being compiled against OpenSSL ≥1.1.
   <li>Closing the INDI window with your window manager’s “Close” button
       no longer crashes XEphem.
+  <li>All references to “celestrak.com”
+      have been changed to their new hostname “celestrak.org”.
   <li>A few other small fixes.
 </ul>
 

Site/earthsat.html

@@ -12,7 +12,7 @@ XEphem: Earth Satellite Tracks
 <b>Plot ground tracks and orbits for any number of Earth satellites
 simultaneously in either "Mission Control" or spherical format. Sunlit side
 shows colored relief profile, night side shows light sources viewed from space.
-Get up-to-date TLE parameter sets with one click from celestrak.com or other
+Get up-to-date TLE parameter sets with one click from celestrak.org or other
 web sites.
 </b>
 

libastro/earthsat.c

@@ -4,7 +4,7 @@
  *   the original FORTRAN to C by Magnus Backstrom. The paper "Spacetrack
  *   Report Number 3: Models for Propagation of NORAD Element Sets" describes
  *   the calculations.
- *   See http://www.celestrak.com/NORAD/documentation/spacetrk.pdf.
+ *   See http://www.celestrak.org/NORAD/documentation/spacetrk.pdf.
  *
  * A few topocentric routines are also used from the 'orbit' program which is
  *   Copyright (c) 1986,1987,1988,1989,1990 Robert W. Berger N3EMO