../ dmsp_15_ephemeris_20151109.txt 22-Jun-2023 00:29 109453 dmsp_16_ephemeris_20151109.txt 22-Jun-2023 00:29 109449 dmsp_17_ephemeris_20151109.txt 22-Jun-2023 00:29 109401 dmsp_18_ephemeris_20151109.txt 22-Jun-2023 00:29 109389 dmsp_19_ephemeris_20151109.txt 22-Jun-2023 00:29 109566