../ dmsp_15_ephemeris_20150603.txt 22-Jun-2023 16:19 109407 dmsp_16_ephemeris_20150603.txt 22-Jun-2023 16:19 109563 dmsp_17_ephemeris_20150603.txt 22-Jun-2023 16:19 109534 dmsp_18_ephemeris_20150603.txt 22-Jun-2023 16:19 109530 dmsp_19_ephemeris_20150603.txt 22-Jun-2023 16:19 109556