Update error message from Celestrak
Celestrak has changed the error message that it prints when a catalog number does not exist:
$ curl https://celestrak.org/NORAD/elements/gp.php?CATNR=123456789
No GP data foundCelestrak has changed the error message that it prints when a catalog number does not exist:
$ curl https://celestrak.org/NORAD/elements/gp.php?CATNR=123456789
No GP data found