../ dmsp_10_ephemeris_19970819.txt 21-Jun-2023 23:50 109521 dmsp_11_ephemeris_19970819.txt 21-Jun-2023 23:50 109682 dmsp_12_ephemeris_19970819.txt 21-Jun-2023 23:50 109683 dmsp_13_ephemeris_19970819.txt 21-Jun-2023 23:50 109731 dmsp_14_ephemeris_19970819.txt 21-Jun-2023 23:50 109654