Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-9 TLE Epoch: 2025 5 6. Predictions up to the next 14.0 days: Date Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-9) LANDSAT-9 Lat/Lon Distance(km) Time Diff(sec) 05/06/2025 06:45:02 ( 70.18, 74.95) 05/06/2025 06:45:41 ( 70.18, 74.96) 0.45 39 05/06/2025 07:35:44 ( -70.08,-117.58) 05/06/2025 07:35:11 ( -70.06,-117.57) 2.04 33 05/08/2025 22:11:25 ( -70.74, 22.51) 05/08/2025 22:12:35 ( -70.61, 23.83) 50.66 70 05/08/2025 23:01:59 ( 70.10,-169.18) 05/08/2025 23:02:09 ( 70.12,-169.24) 3.02 10 05/08/2025 23:52:41 ( -70.00, -1.71) 05/08/2025 23:51:39 ( -70.01, -1.77) 2.18 62 05/11/2025 14:28:13 ( -70.20, 139.12) 05/11/2025 14:29:09 ( -70.19, 139.11) 0.86 56 05/11/2025 15:18:57 ( 70.09, -53.40) 05/11/2025 15:18:36 ( 70.09, -53.40) 0.10 21 05/11/2025 16:09:26 ( -69.30, 115.07) 05/11/2025 16:08:17 ( -69.37, 113.25) 71.92 69 05/14/2025 05:54:46 ( 71.18, 85.96) 05/14/2025 05:55:51 ( 71.07, 88.67) 98.46 65 05/14/2025 06:45:10 ( -70.14,-105.03) 05/14/2025 06:45:36 ( -70.14,-105.09) 2.35 26 05/14/2025 07:35:54 ( 70.03, 62.45) 05/14/2025 07:35:03 ( 70.03, 62.40) 1.96 51 05/16/2025 22:11:24 ( 70.19,-156.66) 05/16/2025 22:12:31 ( 70.21,-156.73) 3.27 67 05/16/2025 23:02:06 ( -70.10, 10.80) 05/16/2025 23:02:01 ( -70.10, 10.75) 2.00 5 05/16/2025 23:52:44 ( 69.66, 178.76) 05/16/2025 23:51:33 ( 69.71, 177.85) 35.29 71 05/19/2025 14:28:22 ( 70.20, -40.92) 05/19/2025 14:28:56 ( 70.20, -40.85) 2.60 34 05/19/2025 15:19:03 ( -70.06, 126.62) 05/19/2025 15:18:27 ( -70.04, 126.55) 3.35 36