../ dmsp_14_ephemeris_20100509.txt 09-Nov-2025 22:51 109570 dmsp_15_ephemeris_20100509.txt 09-Nov-2025 22:51 109586 dmsp_16_ephemeris_20100509.txt 09-Nov-2025 22:51 109633 dmsp_17_ephemeris_20100509.txt 09-Nov-2025 22:51 109691 dmsp_18_ephemeris_20100509.txt 09-Nov-2025 22:51 109699