../ dmsp_15_ephemeris_20130109.txt 22-Jun-2023 16:34 106673 dmsp_16_ephemeris_20130109.txt 22-Jun-2023 16:34 106318 dmsp_17_ephemeris_20130109.txt 22-Jun-2023 16:34 106464 dmsp_18_ephemeris_20130109.txt 22-Jun-2023 16:34 106502