../ dmsp_15_ephemeris_20151118.txt 22-Jun-2023 16:21 109390 dmsp_16_ephemeris_20151118.txt 22-Jun-2023 16:21 109425 dmsp_17_ephemeris_20151118.txt 22-Jun-2023 16:21 109296 dmsp_18_ephemeris_20151118.txt 22-Jun-2023 16:21 109397 dmsp_19_ephemeris_20151118.txt 22-Jun-2023 16:21 109225