../ dmsp_15_ephemeris_20131123.txt 22-Jun-2023 16:36 109387 dmsp_16_ephemeris_20131123.txt 22-Jun-2023 16:36 109394 dmsp_17_ephemeris_20131123.txt 22-Jun-2023 16:36 109423 dmsp_18_ephemeris_20131123.txt 22-Jun-2023 16:36 109523