Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and LANDSAT-8 TLE Epoch: 2023 3 12. Predictions up to the next 14.0 days: Date Time(NOAA-21) NOAA-21 Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon Distance(km) Time Diff(sec) 03/12/2023 22:36:29 ( 70.55,-163.56) 03/12/2023 22:37:40 ( 70.44,-162.59) 37.92 71 03/12/2023 23:27:04 ( -70.09, 4.48) 03/12/2023 23:27:14 ( -70.10, 4.56) 3.11 10 03/13/2023 00:17:47 ( 69.92, 172.04) 03/13/2023 00:16:42 ( 69.95, 171.98) 3.28 65 03/15/2023 14:53:14 ( 70.11, -47.10) 03/15/2023 14:54:14 ( 70.12, -47.18) 2.83 60 03/15/2023 15:43:56 ( -70.02, 120.36) 03/15/2023 15:43:44 ( -70.01, 120.30) 2.88 12 03/15/2023 16:34:29 ( 69.33, -71.32) 03/15/2023 16:33:20 ( 69.40, -72.88) 61.85 69 03/18/2023 07:10:06 ( 70.12, 68.67) 03/18/2023 07:10:40 ( 70.14, 68.74) 3.57 34 03/18/2023 08:00:47 ( -69.97,-123.79) 03/18/2023 08:00:11 ( -69.98,-123.86) 2.78 36 03/20/2023 22:36:24 ( -70.72, 16.19) 03/20/2023 22:37:33 ( -70.61, 17.66) 55.45 69 03/20/2023 23:26:58 ( 70.09,-175.51) 03/20/2023 23:27:08 ( 70.06,-175.49) 2.88 10 03/21/2023 00:17:39 ( -69.94, -7.97) 03/21/2023 00:16:38 ( -69.95, -8.01) 2.59 61 03/23/2023 14:53:06 ( -70.17, 132.82) 03/23/2023 14:54:07 ( -70.16, 132.90) 2.91 61 03/23/2023 15:43:49 ( 70.02, -59.63) 03/23/2023 15:43:34 ( 70.05, -59.62) 3.24 15 03/23/2023 16:34:22 ( -69.44, 108.53) 03/23/2023 16:33:12 ( -69.50, 107.26) 50.07 70