../ dmsp_10_ephemeris_19981204.txt 21-Jun-2023 23:52 109513 dmsp_11_ephemeris_19981204.txt 21-Jun-2023 23:52 109373 dmsp_12_ephemeris_19981204.txt 21-Jun-2023 23:52 109499 dmsp_13_ephemeris_19981204.txt 21-Jun-2023 23:52 109371 dmsp_14_ephemeris_19981204.txt 21-Jun-2023 23:52 109492