Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and FY3D TLE Epoch: 2025 10 12. 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) 10/21/2025 07:40:16 ( 81.01, 11.23) 10/21/2025 07:41:20 ( 80.96, 15.67) 77.52 64 10/21/2025 09:21:43 ( 80.96, -13.12) 10/21/2025 09:22:53 ( 80.93, -11.05) 36.58 70 10/21/2025 11:03:09 ( 80.90, -37.12) 10/21/2025 11:04:24 ( 80.91, -37.01) 2.24 75 10/21/2025 11:54:02 ( -81.04, 127.05) 10/21/2025 11:55:03 ( -80.97, 132.76) 99.43 61 10/21/2025 12:44:39 ( 80.90, -62.57) 10/21/2025 12:45:54 ( 80.90, -62.60) 0.52 75 10/21/2025 13:35:28 ( -80.98, 103.07) 10/21/2025 13:36:36 ( -80.94, 106.05) 52.22 68 10/21/2025 14:26:09 ( 80.91, -88.02) 10/21/2025 14:27:24 ( 80.90, -88.19) 3.25 75 10/21/2025 15:16:54 ( -80.92, 79.07) 10/21/2025 15:18:09 ( -80.90, 79.35) 5.16 75 10/21/2025 16:07:39 ( 80.91,-113.47) 10/21/2025 16:08:53 ( 80.90,-113.41) 1.56 74 10/21/2025 16:58:23 ( -80.91, 53.98) 10/21/2025 16:59:38 ( -80.91, 54.12) 2.58 75 10/21/2025 17:49:08 ( 80.90,-138.56) 10/21/2025 17:50:22 ( 80.91,-138.64) 1.54 74 10/21/2025 18:39:53 ( -80.91, 28.53) 10/21/2025 18:41:08 ( -80.90, 28.53) 0.83 75 10/21/2025 19:30:38 ( 80.90,-164.01) 10/21/2025 19:31:51 ( 80.91,-163.86) 2.88 73 10/21/2025 20:21:22 ( -80.90, 3.44) 10/21/2025 20:22:37 ( -80.91, 3.31) 2.53 75 10/21/2025 21:12:08 ( 80.91, 170.54) 10/21/2025 21:13:21 ( 80.90, 170.55) 0.32 73 10/21/2025 22:02:52 ( -80.90, -22.01) 10/21/2025 22:04:06 ( -80.91, -21.91) 2.18 74 10/21/2025 22:53:38 ( 80.91, 145.09) 10/21/2025 22:54:51 ( 80.90, 144.96) 2.64 73 10/21/2025 23:44:22 ( -80.90, -47.46) 10/21/2025 23:45:36 ( -80.90, -47.50) 0.74 74 10/22/2025 00:35:08 ( 80.91, 119.64) 10/22/2025 00:36:20 ( 80.90, 119.74) 2.17 72 10/22/2025 01:25:52 ( -80.91, -72.91) 10/22/2025 01:27:05 ( -80.91, -72.72) 3.28 73 10/22/2025 02:16:37 ( 80.90, 94.55) 10/22/2025 02:17:49 ( 80.91, 94.51) 0.92 72 10/22/2025 03:07:22 ( -80.91, -98.36) 10/22/2025 03:08:35 ( -80.90, -98.31) 1.20 73 10/22/2025 03:58:07 ( 80.90, 69.10) 10/22/2025 03:59:19 ( 80.90, 68.92) 3.08 72 10/22/2025 04:48:51 ( -80.90,-123.45) 10/22/2025 04:50:04 ( -80.91,-123.54) 1.89 73 10/22/2025 05:39:36 ( 80.91, 43.65) 10/22/2025 05:40:47 ( 80.90, 43.70) 1.02 71 10/22/2025 06:30:20 ( -80.90,-148.90) 10/22/2025 06:31:32 ( -80.91,-148.76) 2.74 72 10/22/2025 07:21:06 ( 80.91, 18.19) 10/22/2025 07:22:17 ( 80.90, 18.11) 2.12 71 10/22/2025 08:11:50 ( -80.90,-174.35) 10/22/2025 08:13:02 ( -80.90,-174.35) 0.06 72 10/22/2025 09:02:36 ( 80.91, -7.26) 10/22/2025 09:03:46 ( 80.90, -7.11) 2.86 70 10/22/2025 09:53:20 ( -80.91, 160.20) 10/22/2025 09:54:32 ( -80.90, 160.06) 2.73 72 10/22/2025 10:44:05 ( 80.90, -32.35) 10/22/2025 10:45:15 ( 80.91, -32.34) 0.64 70 10/22/2025 11:34:50 ( -80.91, 134.75) 10/22/2025 11:36:01 ( -80.90, 134.84) 1.79 71 10/22/2025 12:25:35 ( 80.90, -57.80) 10/22/2025 12:26:45 ( 80.90, -57.93) 2.38 70 10/22/2025 13:16:19 ( -80.90, 109.66) 10/22/2025 13:17:30 ( -80.91, 109.62) 1.31 71 10/22/2025 14:07:05 ( 80.91, -83.25) 10/22/2025 14:08:14 ( 80.90, -83.15) 1.76 69 10/22/2025 14:57:49 ( -80.90, 84.21) 10/22/2025 14:59:00 ( -80.90, 84.03) 3.31 71 10/22/2025 15:48:34 ( 80.89,-108.34) 10/22/2025 15:49:43 ( 80.91,-108.37) 1.68 69 10/22/2025 16:39:19 ( -80.90, 58.76) 10/22/2025 16:40:29 ( -80.90, 58.80) 0.68 70 10/22/2025 17:30:04 ( 80.90,-133.79) 10/22/2025 17:31:13 ( 80.90,-133.97) 3.14 69 10/22/2025 18:20:49 ( -80.91, 33.31) 10/22/2025 18:21:59 ( -80.90, 33.21) 2.15 70 10/22/2025 19:11:34 ( 80.90,-159.24) 10/22/2025 19:12:42 ( 80.91,-159.19) 1.03 68 10/22/2025 20:02:19 ( -80.91, 7.86) 10/22/2025 20:03:28 ( -80.90, 7.99) 2.44 69 10/22/2025 20:53:04 ( 80.91, 175.31) 10/22/2025 20:54:12 ( 80.90, 175.22) 1.72 68 10/22/2025 21:43:48 ( -80.90, -17.23) 10/22/2025 21:44:57 ( -80.91, -17.23) 0.93 69 10/22/2025 22:34:34 ( 80.91, 149.86) 10/22/2025 22:35:41 ( 80.90, 150.00) 2.50 67 10/22/2025 23:25:18 ( -80.90, -42.68) 10/22/2025 23:26:27 ( -80.90, -42.82) 2.62 69 10/23/2025 00:16:03 ( 80.90, 124.77) 10/23/2025 00:17:10 ( 80.91, 124.77) 1.43 67 10/23/2025 01:06:48 ( -80.91, -68.13) 10/23/2025 01:07:56 ( -80.90, -68.05) 1.38 68 10/23/2025 01:57:33 ( 80.90, 99.32) 10/23/2025 01:58:40 ( 80.90, 99.18) 2.39 67 10/23/2025 02:48:18 ( -80.91, -93.58) 10/23/2025 02:49:26 ( -80.90, -93.64) 1.69 68 10/23/2025 03:39:03 ( 80.90, 73.87) 10/23/2025 03:40:09 ( 80.91, 73.96) 1.67 66 10/23/2025 04:29:48 ( -80.91,-119.03) 10/23/2025 04:30:55 ( -80.90,-118.86) 3.12 67 10/23/2025 05:20:33 ( 80.91, 48.41) 10/23/2025 05:21:39 ( 80.90, 48.37) 1.17 66 10/23/2025 06:11:17 ( -80.90,-144.12) 10/23/2025 06:12:24 ( -80.91,-144.08) 0.99 67 10/23/2025 07:02:03 ( 80.91, 22.96) 10/23/2025 07:03:08 ( 80.90, 23.14) 3.24 65 10/23/2025 07:52:47 ( -80.90,-169.57) 10/23/2025 07:53:54 ( -80.90,-169.68) 1.95 67 10/23/2025 08:43:32 ( 80.90, -2.13) 10/23/2025 08:44:37 ( 80.91, -2.08) 1.54 65 10/23/2025 09:34:17 ( -80.91, 164.98) 10/23/2025 09:35:23 ( -80.90, 165.10) 2.09 66 10/23/2025 10:25:02 ( 80.90, -27.58) 10/23/2025 10:26:07 ( 80.90, -27.67) 1.65 65 10/23/2025 11:15:47 ( -80.91, 139.53) 10/23/2025 11:16:53 ( -80.90, 139.51) 1.45 66 10/23/2025 12:06:32 ( 80.90, -53.03) 10/23/2025 12:07:36 ( 80.91, -52.90) 2.38 64 10/23/2025 12:57:16 ( -80.90, 114.44) 10/23/2025 12:58:22 ( -80.90, 114.29) 2.80 66 10/23/2025 13:48:02 ( 80.91, -78.48) 10/23/2025 13:49:06 ( 80.90, -78.49) 0.96 64 10/23/2025 14:38:46 ( -80.90, 88.99) 10/23/2025 14:39:51 ( -80.91, 89.06) 1.44 65 10/23/2025 15:29:31 ( 80.89,-103.57) 10/23/2025 15:30:35 ( 80.90,-103.71) 2.66 64 10/23/2025 16:20:16 ( -80.90, 63.54) 10/23/2025 16:21:21 ( -80.90, 63.47) 1.31 65 10/23/2025 17:11:01 ( 80.90,-129.02) 10/23/2025 17:12:04 ( 80.91,-128.93) 1.94 63 10/23/2025 18:01:46 ( -80.91, 38.09) 10/23/2025 18:02:50 ( -80.90, 38.25) 2.79 64 10/23/2025 18:52:31 ( 80.90,-154.47) 10/23/2025 18:53:34 ( 80.90,-154.53) 0.92 63 10/23/2025 19:43:16 ( -80.91, 12.64) 10/23/2025 19:44:20 ( -80.90, 12.66) 1.54 64 10/23/2025 20:34:01 ( 80.91,-179.93) 10/23/2025 20:35:03 ( 80.91,-179.75) 3.10 62 10/23/2025 21:24:45 ( -80.90, -12.45) 10/23/2025 21:25:49 ( -80.90, -12.57) 2.10 64 10/23/2025 22:15:31 ( 80.91, 154.62) 10/23/2025 22:16:33 ( 80.90, 154.66) 1.27 62 10/23/2025 23:06:15 ( -80.90, -37.90) 10/23/2025 23:07:18 ( -80.91, -37.79) 2.03 63 10/23/2025 23:57:00 ( 80.90, 129.53) 10/23/2025 23:58:02 ( 80.90, 129.43) 1.93 62 10/24/2025 00:47:45 ( -80.91, -63.35) 10/24/2025 00:48:48 ( -80.90, -63.38) 0.79 63 10/24/2025 01:38:30 ( 80.90, 104.08) 10/24/2025 01:39:31 ( 80.91, 104.21) 2.50 61 10/24/2025 02:29:14 ( -80.89, -88.44) 10/24/2025 02:30:17 ( -80.90, -88.61) 3.19 63 10/24/2025 03:20:00 ( 80.90, 78.63) 10/24/2025 03:21:01 ( 80.90, 78.62) 0.27 61 10/24/2025 04:10:44 ( -80.90,-113.89) 10/24/2025 04:11:46 ( -80.91,-113.83) 1.89 62 10/24/2025 05:01:30 ( 80.91, 53.18) 10/24/2025 05:02:31 ( 80.89, 53.02) 3.00 61 10/24/2025 05:52:14 ( -80.90,-139.34) 10/24/2025 05:53:16 ( -80.90,-139.42) 1.40 62 10/24/2025 06:43:00 ( 80.91, 27.72) 10/24/2025 06:44:00 ( 80.90, 27.80) 1.85 60 10/24/2025 07:33:44 ( -80.90,-164.79) 10/24/2025 07:34:45 ( -80.91,-164.64) 2.67 61 10/24/2025 08:24:29 ( 80.90, 2.63) 10/24/2025 08:25:29 ( 80.90, 2.58) 1.22 60 10/24/2025 09:15:13 ( -80.91, 169.75) 10/24/2025 09:16:14 ( -80.90, 169.76) 0.74 61 10/24/2025 10:05:58 ( 80.90, -22.82) 10/24/2025 10:06:57 ( 80.91, -22.65) 3.14 59 10/24/2025 10:56:42 ( -80.89, 144.66) 10/24/2025 10:57:43 ( -80.90, 144.54) 2.52 61 10/24/2025 11:47:28 ( 80.90, -48.27) 10/24/2025 11:48:27 ( 80.90, -48.24) 0.65 59 10/24/2025 12:38:12 ( -80.90, 119.21) 10/24/2025 12:39:12 ( -80.91, 119.32) 2.28 60 10/24/2025 13:28:57 ( 80.89, -73.36) 10/24/2025 13:29:56 ( 80.91, -73.46) 2.42 59 10/24/2025 14:19:42 ( -80.90, 93.76) 10/24/2025 14:20:42 ( -80.90, 93.72) 0.70 60 10/24/2025 15:10:28 ( 80.91, -99.18) 10/24/2025 15:11:26 ( 80.90, -99.06) 2.53 58 10/24/2025 16:01:12 ( -80.90, 68.31) 10/24/2025 16:02:12 ( -80.90, 68.13) 3.30 60 10/24/2025 16:51:57 ( 80.90,-124.27) 10/24/2025 16:52:55 ( 80.90,-124.28) 0.60 58 10/24/2025 17:42:42 ( -80.91, 42.86) 10/24/2025 17:43:41 ( -80.90, 42.91) 1.20 59 10/24/2025 18:33:27 ( 80.90,-149.72) 10/24/2025 18:34:25 ( 80.90,-149.87) 2.82 58 10/24/2025 19:24:11 ( -80.89, 17.77) 10/24/2025 19:25:10 ( -80.90, 17.68) 1.87 59 10/24/2025 20:14:57 ( 80.91,-175.17) 10/24/2025 20:15:54 ( 80.90,-175.10) 1.38 57 10/24/2025 21:05:41 ( -80.90, -7.68) 10/24/2025 21:06:39 ( -80.91, -7.54) 2.78 58 10/24/2025 21:56:26 ( 80.89, 159.74) 10/24/2025 21:57:23 ( 80.91, 159.68) 1.80 57 10/24/2025 22:47:11 ( -80.90, -33.13) 10/24/2025 22:48:09 ( -80.90, -33.13) 0.05 58 10/24/2025 23:37:57 ( 80.91, 133.92) 10/24/2025 23:38:53 ( 80.90, 134.08) 3.24 56 10/25/2025 00:28:41 ( -80.91, -58.58) 10/25/2025 00:29:39 ( -80.90, -58.73) 2.71 58 10/25/2025 01:19:26 ( 80.90, 108.83) 10/25/2025 01:20:22 ( 80.90, 108.86) 0.59 56 10/25/2025 02:10:11 ( -80.91, -84.04) 10/25/2025 02:11:08 ( -80.90, -83.95) 1.83 57 10/25/2025 03:00:56 ( 80.90, 83.38) 10/25/2025 03:01:52 ( 80.90, 83.27) 2.18 56 10/25/2025 03:51:40 ( -80.90,-109.13) 10/25/2025 03:52:37 ( -80.90,-109.17) 1.26 57 10/25/2025 04:42:26 ( 80.91, 57.93) 10/25/2025 04:43:21 ( 80.90, 58.04) 2.13 55 10/25/2025 05:33:10 ( -80.90,-134.58) 10/25/2025 05:34:07 ( -80.90,-134.77) 3.30 57 10/25/2025 06:23:55 ( 80.89, 32.84) 10/25/2025 06:24:50 ( 80.91, 32.82) 1.30 55 10/25/2025 07:14:40 ( -80.90,-160.03) 10/25/2025 07:15:36 ( -80.90,-159.99) 0.70 56 10/25/2025 08:05:25 ( 80.90, 7.38) 10/25/2025 08:06:20 ( 80.90, 7.22) 2.82 55 10/25/2025 08:56:10 ( -80.91, 174.52) 10/25/2025 08:57:06 ( -80.89, 174.42) 2.20 56 10/25/2025 09:46:55 ( 80.90, -18.07) 10/25/2025 09:47:49 ( 80.90, -18.00) 1.21 54 10/25/2025 10:37:40 ( -80.91, 149.07) 10/25/2025 10:38:35 ( -80.90, 149.19) 2.50 55 10/25/2025 11:28:25 ( 80.91, -43.52) 10/25/2025 11:29:19 ( 80.90, -43.59) 1.64 54 10/25/2025 12:19:09 ( -80.90, 123.97) 10/25/2025 12:20:04 ( -80.90, 123.97) 0.81 55 10/25/2025 13:09:55 ( 80.91, -68.97) 10/25/2025 13:10:48 ( 80.90, -68.82) 2.88 53 10/25/2025 14:00:39 ( -80.90, 98.52) 10/25/2025 14:01:34 ( -80.90, 98.37) 2.64 55 10/25/2025 14:51:24 ( 80.90, -94.07) 10/25/2025 14:52:17 ( 80.91, -94.04) 1.13 53 10/25/2025 15:42:09 ( -80.90, 73.07) 10/25/2025 15:43:03 ( -80.90, 73.15) 1.40 54 10/25/2025 16:32:54 ( 80.90,-119.52) 10/25/2025 16:33:47 ( 80.90,-119.64) 2.09 53 10/25/2025 17:23:39 ( -80.91, 47.62) 10/25/2025 17:24:33 ( -80.89, 47.56) 1.83 54 10/25/2025 18:14:24 ( 80.90,-144.97) 10/25/2025 18:15:16 ( 80.90,-144.86) 1.92 52 10/25/2025 19:05:09 ( -80.91, 22.17) 10/25/2025 19:06:02 ( -80.90, 22.33) 3.18 53 10/25/2025 19:55:54 ( 80.91,-170.42) 10/25/2025 19:56:46 ( 80.90,-170.46) 1.35 52 10/25/2025 20:46:38 ( -80.90, -2.92) 10/25/2025 20:47:31 ( -80.90, -2.89) 0.83 53 10/25/2025 21:37:23 ( 80.89, 164.48) 10/25/2025 21:38:15 ( 80.90, 164.32) 2.99 52 10/25/2025 22:28:08 ( -80.90, -28.38) 10/25/2025 22:29:01 ( -80.90, -28.49) 2.02 53 10/25/2025 23:18:53 ( 80.90, 139.03) 10/25/2025 23:19:44 ( 80.90, 139.09) 1.41 51 10/26/2025 00:09:38 ( -80.91, -53.83) 10/26/2025 00:10:30 ( -80.90, -53.71) 2.09 52 10/26/2025 01:00:23 ( 80.90, 113.58) 10/26/2025 01:01:14 ( 80.90, 113.50) 1.41 51 10/26/2025 01:51:07 ( -80.89, -78.92) 10/26/2025 01:51:59 ( -80.91, -78.94) 1.55 52 10/26/2025 02:41:53 ( 80.90, 88.13) 10/26/2025 02:42:43 ( 80.90, 88.28) 2.66 50 10/26/2025 03:32:37 ( -80.90,-104.37) 10/26/2025 03:33:29 ( -80.90,-104.53) 2.79 52 10/26/2025 04:23:23 ( 80.91, 62.67) 10/26/2025 04:24:13 ( 80.90, 62.68) 1.46 50 10/26/2025 05:14:07 ( -80.90,-129.82) 10/26/2025 05:14:58 ( -80.90,-129.75) 1.29 51 10/26/2025 06:04:52 ( 80.90, 37.58) 10/26/2025 06:05:42 ( 80.90, 37.46) 2.23 50 10/26/2025 06:55:37 ( -80.90,-155.27) 10/26/2025 06:56:28 ( -80.90,-155.35) 1.47 51 10/26/2025 07:46:22 ( 80.90, 12.13) 10/26/2025 07:47:11 ( 80.90, 12.23) 1.95 49 10/26/2025 08:37:07 ( -80.91, 179.27) 10/26/2025 08:37:57 ( -80.90, 179.43) 2.79 50 10/26/2025 09:27:52 ( 80.90, -13.33) 10/26/2025 09:28:41 ( 80.90, -13.36) 0.85 49 10/26/2025 10:18:36 ( -80.89, 154.18) 10/26/2025 10:19:26 ( -80.91, 154.20) 1.39 50 10/26/2025 11:09:21 ( 80.89, -38.42) 10/26/2025 11:10:10 ( 80.90, -38.59) 3.29 49 10/26/2025 12:00:06 ( -80.90, 128.73) 10/26/2025 12:00:56 ( -80.90, 128.61) 2.11 50 10/26/2025 12:50:50 ( 80.89, -63.87) 10/26/2025 12:51:38 ( 80.91, -63.81) 1.83 48 10/26/2025 13:41:35 ( -80.90, 103.28) 10/26/2025 13:42:24 ( -80.90, 103.38) 1.90 49 10/26/2025 14:32:20 ( 80.90, -89.33) 10/26/2025 14:33:08 ( 80.90, -89.41) 1.48 48 10/26/2025 15:23:05 ( -80.90, 77.82) 10/26/2025 15:23:54 ( -80.90, 77.79) 1.12 49 10/26/2025 16:13:50 ( 80.90,-114.78) 10/26/2025 16:14:37 ( 80.90,-114.63) 2.60 47 10/26/2025 17:04:34 ( -80.89, 52.73) 10/26/2025 17:05:23 ( -80.90, 52.57) 3.11 49 10/26/2025 17:55:20 ( 80.90,-140.23) 10/26/2025 17:56:07 ( 80.90,-140.23) 0.80 47 10/26/2025 18:46:04 ( -80.89, 27.28) 10/26/2025 18:46:52 ( -80.90, 27.34) 1.54 48 10/26/2025 19:36:49 ( 80.89,-165.33) 10/26/2025 19:37:36 ( 80.90,-165.45) 2.54 47 10/26/2025 20:27:34 ( -80.90, 1.83) 10/26/2025 20:28:22 ( -80.90, 1.75) 1.44 48