../ dmsp_13_ephemeris_20100509.txt 22-Jun-2023 00:15 243 dmsp_14_ephemeris_20100509.txt 22-Jun-2023 00:15 109570 dmsp_15_ephemeris_20100509.txt 22-Jun-2023 00:15 109586 dmsp_16_ephemeris_20100509.txt 22-Jun-2023 00:15 109633 dmsp_17_ephemeris_20100509.txt 22-Jun-2023 00:15 109691 dmsp_18_ephemeris_20100509.txt 22-Jun-2023 00:15 109699