Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and FY3D TLE Epoch: 2025 8 5. Predictions up to the next 14.0 days: Date Time(NOAA-21) NOAA-21 Lat/Lon Date Time(FY3D) FY3D Lat/Lon Distance(km) Time Diff(sec) 08/06/2025 03:00:30 ( 78.53, 107.30) 08/06/2025 03:00:26 ( 78.75, 108.20) 31.32 4 08/06/2025 15:46:23 ( -77.61, 8.69) 08/06/2025 15:46:17 ( -77.53, 9.13) 13.94 6 08/06/2025 20:49:41 ( -80.15, -49.59) 08/06/2025 20:49:46 ( -80.85, -51.88) 88.52 5 08/06/2025 21:43:18 ( 72.83, 85.05) 08/06/2025 21:43:19 ( 73.11, 83.49) 59.69 1 08/06/2025 22:28:02 ( -79.23, -9.12) 08/06/2025 22:27:56 ( -79.84, -7.96) 72.58 6 08/07/2025 18:49:00 ( -80.40, -16.39) 08/07/2025 18:49:01 ( -80.16, -15.83) 29.31 1 08/07/2025 21:20:43 ( 81.02, 136.27) 08/07/2025 21:20:44 ( 81.15, 136.24) 13.43 1 08/07/2025 22:14:16 ( -75.16, -97.13) 08/07/2025 22:14:17 ( -75.10, -96.81) 11.04 1 08/08/2025 21:51:45 ( -81.32, -35.71) 08/08/2025 21:51:41 ( -80.95, -35.65) 41.08 4 08/08/2025 22:36:14 ( 66.19,-158.05) 08/08/2025 22:36:17 ( 66.13,-158.49) 21.19 3 08/08/2025 22:45:08 ( 77.37, 82.94) 08/08/2025 22:45:13 ( 77.10, 84.94) 57.42 5 08/09/2025 00:23:25 ( 81.06, 119.41) 08/09/2025 00:23:23 ( 80.94, 119.21) 13.87 2 08/09/2025 07:05:20 ( 71.35, 68.02) 08/09/2025 07:05:17 ( 71.26, 67.62) 17.53 3 08/09/2025 15:40:51 ( 75.39,-178.09) 08/09/2025 15:40:55 ( 75.47,-178.51) 14.79 4 08/09/2025 22:22:44 ( 80.90, 153.10) 08/09/2025 22:22:39 ( 80.26, 151.87) 74.99 5 08/09/2025 23:07:21 ( -64.24, 15.98) 08/09/2025 23:07:15 ( -64.61, 17.68) 91.50 6 08/09/2025 23:16:06 ( -79.20, -94.58) 08/09/2025 23:16:11 ( -78.65, -92.28) 78.51 5 08/10/2025 03:26:11 ( 79.22, 96.42) 08/10/2025 03:26:05 ( 79.77, 95.57) 64.05 6 08/10/2025 22:53:42 ( -79.80, -20.24) 08/10/2025 22:53:36 ( -79.26, -23.54) 89.40 6 08/10/2025 23:47:06 ( 80.44, 89.55) 08/10/2025 23:47:08 ( 79.78, 91.29) 80.67 2 08/11/2025 06:28:45 ( 75.76, 67.09) 08/11/2025 06:28:50 ( 75.77, 67.98) 24.50 5 08/11/2025 15:04:23 ( 70.58,-179.17) 08/11/2025 15:04:28 ( 70.93,-178.54) 45.55 5 08/11/2025 19:14:47 ( -79.71, -30.17) 08/11/2025 19:14:41 ( -79.64, -31.14) 20.71 6 08/11/2025 21:46:18 ( 80.81, 125.35) 08/11/2025 21:46:23 ( 81.00, 127.18) 38.75 5 08/11/2025 23:24:32 ( 77.87, 164.86) 08/11/2025 23:24:33 ( 77.35, 162.53) 80.53 1 08/11/2025 23:33:36 ( 64.99, 46.97) 08/11/2025 23:33:30 ( 65.15, 46.06) 45.81 6 08/12/2025 00:18:00 ( -81.26, -80.14) 08/12/2025 00:18:05 ( -80.87, -77.90) 57.61 5 08/12/2025 15:35:35 ( -72.26, -4.13) 08/12/2025 15:35:29 ( -71.84, -5.40) 63.77 6 08/12/2025 22:17:27 ( -81.26, -49.73) 08/12/2025 22:17:21 ( -80.66, -49.72) 67.16 6 08/12/2025 23:55:35 ( -76.15, -15.91) 08/12/2025 23:55:30 ( -75.91, -17.20) 43.68 5 08/13/2025 00:04:29 ( -67.82,-137.87) 08/13/2025 00:04:27 ( -67.57,-136.68) 57.00 2 08/13/2025 00:48:57 ( 81.18, 109.40) 08/13/2025 00:49:02 ( 81.15, 110.10) 12.43 5 08/13/2025 03:20:39 ( -80.62, -96.56) 08/13/2025 03:20:44 ( -80.31, -93.70) 63.13 5 08/14/2025 00:26:32 ( 73.93, 162.61) 08/14/2025 00:26:28 ( 74.00, 162.99) 14.20 4 08/14/2025 01:20:07 ( -80.61, -66.20) 08/14/2025 01:20:01 ( -81.05, -66.03) 49.38 6 08/14/2025 03:51:50 ( 79.77, 85.52) 08/14/2025 03:51:44 ( 80.56, 84.61) 89.28 6 08/14/2025 06:23:23 ( -78.27,-121.95) 08/14/2025 06:23:28 ( -77.78,-119.37) 80.87 5 08/14/2025 19:09:14 ( 77.90, 139.37) 08/14/2025 19:09:19 ( 78.52, 141.81) 88.20 5 08/15/2025 00:12:47 ( 79.93, 77.36) 08/15/2025 00:12:48 ( 80.29, 76.25) 44.83 1 08/15/2025 00:57:25 ( -71.44, -20.15) 08/15/2025 00:57:24 ( -71.85, -17.75) 95.57 1 08/15/2025 06:54:34 ( 76.97, 56.33) 08/15/2025 06:54:28 ( 77.67, 54.76) 86.38 6 08/15/2025 19:40:26 ( -79.15, -41.01) 08/15/2025 19:40:20 ( -78.61, -44.04) 88.97 6 08/15/2025 22:11:58 ( 80.41, 112.97) 08/15/2025 22:12:03 ( 80.73, 113.36) 36.45 5 08/16/2025 00:43:48 ( -80.95, -96.18) 08/16/2025 00:43:46 ( -80.96, -96.24) 1.29 2 08/16/2025 22:43:07 ( -81.08, -62.86) 08/16/2025 22:43:01 ( -80.26, -64.39) 95.50 6 08/17/2025 01:14:47 ( 81.32, 92.18) 08/17/2025 01:14:43 ( 81.14, 92.05) 19.57 4 08/17/2025 01:23:41 ( 57.42, 14.16) 08/17/2025 01:23:39 ( 57.38, 14.28) 8.66 2 08/17/2025 03:46:19 ( -80.97,-109.16) 08/17/2025 03:46:24 ( -80.70,-108.17) 34.02 5 08/18/2025 01:45:38 ( -80.79, -75.58) 08/18/2025 01:45:40 ( -80.64, -75.95) 18.62 2 08/18/2025 04:17:29 ( 80.26, 74.10) 08/18/2025 04:17:23 ( 81.02, 74.84) 86.42 6 08/18/2025 06:49:05 ( -79.02,-132.93) 08/18/2025 06:49:07 ( -78.94,-133.28) 11.66 2 08/18/2025 19:34:59 ( 76.97, 128.81) 08/18/2025 19:34:58 ( 76.75, 129.71) 33.47 1 08/19/2025 02:07:40 ( 51.87, 158.12) 08/19/2025 02:07:41 ( 51.91, 158.26) 10.30 1 08/19/2025 02:16:36 ( 79.65, 110.36) 08/19/2025 02:16:37 ( 79.70, 110.67) 8.42 1 08/19/2025 11:30:21 ( -66.90,-172.31) 08/19/2025 11:30:25 ( -66.92,-170.85) 63.59 4