../ dmsp_15_ephemeris_20151023.txt 22-Jun-2023 00:29 109604 dmsp_16_ephemeris_20151023.txt 22-Jun-2023 00:29 109671 dmsp_17_ephemeris_20151023.txt 22-Jun-2023 00:29 109458 dmsp_18_ephemeris_20151023.txt 22-Jun-2023 00:29 109489 dmsp_19_ephemeris_20151023.txt 22-Jun-2023 00:29 109454