../ dmsp_15_ephemeris_20140430.txt 22-Jun-2023 00:24 109510 dmsp_16_ephemeris_20140430.txt 22-Jun-2023 00:24 109541 dmsp_17_ephemeris_20140430.txt 22-Jun-2023 00:24 109712 dmsp_18_ephemeris_20140430.txt 22-Jun-2023 00:24 109536 dmsp_19_ephemeris_20140430.txt 22-Jun-2023 00:24 109522