../ dmsp_15_ephemeris_20151206.txt 22-Jun-2023 16:21 109451 dmsp_16_ephemeris_20151206.txt 22-Jun-2023 16:21 109362 dmsp_17_ephemeris_20151206.txt 22-Jun-2023 16:21 109355 dmsp_18_ephemeris_20151206.txt 22-Jun-2023 16:21 109297 dmsp_19_ephemeris_20151206.txt 22-Jun-2023 16:21 109421