../ dmsp_15_ephemeris_20120106.txt 22-Jun-2023 00:19 106484 dmsp_16_ephemeris_20120106.txt 22-Jun-2023 00:19 106464 dmsp_17_ephemeris_20120106.txt 22-Jun-2023 00:19 106486 dmsp_18_ephemeris_20120106.txt 22-Jun-2023 00:19 106573