../ dmsp_10_ephemeris_19970421.txt 21-Jun-2023 23:49 109621 dmsp_11_ephemeris_19970421.txt 21-Jun-2023 23:49 109708 dmsp_12_ephemeris_19970421.txt 21-Jun-2023 23:49 109665 dmsp_13_ephemeris_19970421.txt 21-Jun-2023 23:49 109783 dmsp_14_ephemeris_19970421.txt 21-Jun-2023 23:49 109734