../ dmsp_10_ephemeris_19981219.txt 21-Jun-2023 23:52 109390 dmsp_11_ephemeris_19981219.txt 21-Jun-2023 23:52 109281 dmsp_12_ephemeris_19981219.txt 21-Jun-2023 23:52 109375 dmsp_13_ephemeris_19981219.txt 21-Jun-2023 23:52 109445 dmsp_14_ephemeris_19981219.txt 21-Jun-2023 23:52 109499