../ dmsp_10_ephemeris_19990520.txt 21-Jun-2023 23:53 109512 dmsp_11_ephemeris_19990520.txt 21-Jun-2023 23:53 109770 dmsp_12_ephemeris_19990520.txt 21-Jun-2023 23:53 109564 dmsp_13_ephemeris_19990520.txt 21-Jun-2023 23:53 109734 dmsp_14_ephemeris_19990520.txt 21-Jun-2023 23:53 109745