../ dmsp_13_ephemeris_20100521.txt 22-Jun-2023 16:09 243 dmsp_14_ephemeris_20100521.txt 22-Jun-2023 16:09 109695 dmsp_15_ephemeris_20100521.txt 22-Jun-2023 16:09 109613 dmsp_16_ephemeris_20100521.txt 22-Jun-2023 16:09 109749 dmsp_17_ephemeris_20100521.txt 22-Jun-2023 16:09 109643 dmsp_18_ephemeris_20100521.txt 22-Jun-2023 16:09 109513