../ dmsp_15_ephemeris_20151028.txt 22-Jun-2023 00:29 109534 dmsp_16_ephemeris_20151028.txt 22-Jun-2023 00:29 109587 dmsp_17_ephemeris_20151028.txt 22-Jun-2023 00:29 109646 dmsp_18_ephemeris_20151028.txt 22-Jun-2023 00:29 109317 dmsp_19_ephemeris_20151028.txt 22-Jun-2023 00:29 109472