../ dmsp_13_ephemeris_20080521.txt 22-Jun-2023 00:10 109608 dmsp_14_ephemeris_20080521.txt 22-Jun-2023 00:10 109581 dmsp_15_ephemeris_20080521.txt 22-Jun-2023 00:10 109619 dmsp_16_ephemeris_20080521.txt 22-Jun-2023 00:10 109731 dmsp_17_ephemeris_20080521.txt 22-Jun-2023 00:10 109676