../ dmsp_15_ephemeris_20140915.txt 22-Jun-2023 16:39 109580 dmsp_16_ephemeris_20140915.txt 22-Jun-2023 16:39 109637 dmsp_17_ephemeris_20140915.txt 22-Jun-2023 16:39 109629 dmsp_18_ephemeris_20140915.txt 22-Jun-2023 16:39 109619 dmsp_19_ephemeris_20140915.txt 22-Jun-2023 16:39 109658