../ dmsp_14_ephemeris_20101120.txt 22-Jun-2023 16:07 243 dmsp_15_ephemeris_20101120.txt 22-Jun-2023 16:07 109299 dmsp_16_ephemeris_20101120.txt 22-Jun-2023 16:07 109423 dmsp_17_ephemeris_20101120.txt 22-Jun-2023 16:07 109444 dmsp_18_ephemeris_20101120.txt 22-Jun-2023 16:07 109450