../ dmsp_10_ephemeris_19990421.txt 21-Jun-2023 23:53 109605 dmsp_11_ephemeris_19990421.txt 21-Jun-2023 23:53 109720 dmsp_12_ephemeris_19990421.txt 21-Jun-2023 23:53 109770 dmsp_13_ephemeris_19990421.txt 21-Jun-2023 23:53 109727 dmsp_14_ephemeris_19990421.txt 21-Jun-2023 23:53 109645