../ dmsp_15_ephemeris_20151022.txt 22-Jun-2023 16:21 109514 dmsp_16_ephemeris_20151022.txt 22-Jun-2023 16:21 109521 dmsp_17_ephemeris_20151022.txt 22-Jun-2023 16:21 109458 dmsp_18_ephemeris_20151022.txt 22-Jun-2023 16:21 109558 dmsp_19_ephemeris_20151022.txt 22-Jun-2023 16:21 109556