../ dmsp_14_ephemeris_20101120.txt 22-Jun-2023 16:28 243 dmsp_15_ephemeris_20101120.txt 22-Jun-2023 16:28 109299 dmsp_16_ephemeris_20101120.txt 22-Jun-2023 16:28 109423 dmsp_17_ephemeris_20101120.txt 22-Jun-2023 16:28 109444 dmsp_18_ephemeris_20101120.txt 22-Jun-2023 16:28 109450