../ dmsp_10_ephemeris_19960518.txt 21-Jun-2023 23:48 109475 dmsp_11_ephemeris_19960518.txt 21-Jun-2023 23:48 109821 dmsp_12_ephemeris_19960518.txt 21-Jun-2023 23:48 109530 dmsp_13_ephemeris_19960518.txt 21-Jun-2023 23:48 109808