Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and FY3D TLE Epoch: 2025 10 11. 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 07:40:17 ( 81.03, 10.72) 10/21/2025 07:41:19 ( 80.97, 15.93) 90.96 62 10/21/2025 09:21:43 ( 80.97, -13.26) 10/21/2025 09:22:52 ( 80.93, -10.78) 43.54 69 10/21/2025 11:03:09 ( 80.91, -37.26) 10/21/2025 11:04:24 ( 80.91, -37.12) 2.51 75 10/21/2025 12:44:39 ( 80.91, -62.71) 10/21/2025 12:45:54 ( 80.90, -62.71) 1.17 75 10/21/2025 13:35:28 ( -80.99, 102.94) 10/21/2025 13:36:35 ( -80.95, 106.33) 59.20 67 10/21/2025 14:26:08 ( 80.90, -87.80) 10/21/2025 14:27:23 ( 80.91, -87.93) 2.44 75 10/21/2025 15:16:55 ( -80.94, 78.58) 10/21/2025 15:18:08 ( -80.91, 79.62) 18.52 73 10/21/2025 16:07:38 ( 80.90,-113.25) 10/21/2025 16:08:52 ( 80.91,-113.15) 1.98 74 10/21/2025 16:58:23 ( -80.91, 53.86) 10/21/2025 16:59:38 ( -80.91, 54.03) 3.19 75 10/21/2025 17:49:08 ( 80.91,-138.70) 10/21/2025 17:50:22 ( 80.90,-138.74) 0.77 74 10/21/2025 18:39:52 ( -80.90, 28.77) 10/21/2025 18:41:07 ( -80.91, 28.81) 1.62 75 10/21/2025 19:30:38 ( 80.91,-164.15) 10/21/2025 19:31:51 ( 80.91,-163.96) 3.28 73 10/21/2025 20:21:22 ( -80.90, 3.32) 10/21/2025 20:22:37 ( -80.90, 3.22) 1.68 75 10/21/2025 21:12:08 ( 80.91, 170.41) 10/21/2025 21:13:21 ( 80.90, 170.45) 1.46 73 10/21/2025 22:02:52 ( -80.91, -22.13) 10/21/2025 22:04:06 ( -80.91, -22.00) 2.38 74 10/21/2025 22:53:37 ( 80.90, 145.32) 10/21/2025 22:54:50 ( 80.91, 145.23) 1.71 73 10/21/2025 23:44:22 ( -80.91, -47.58) 10/21/2025 23:45:36 ( -80.90, -47.59) 0.77 74 10/22/2025 00:35:07 ( 80.90, 119.87) 10/22/2025 00:36:19 ( 80.91, 120.01) 2.65 72 10/22/2025 01:25:51 ( -80.89, -72.67) 10/22/2025 01:27:05 ( -80.91, -72.81) 2.74 74 10/22/2025 02:16:37 ( 80.91, 94.42) 10/22/2025 02:17:49 ( 80.90, 94.42) 0.26 72 10/22/2025 03:07:21 ( -80.90, -98.12) 10/22/2025 03:08:34 ( -80.91, -98.03) 2.07 73 10/22/2025 03:58:07 ( 80.91, 68.97) 10/22/2025 03:59:19 ( 80.90, 68.83) 2.83 72 10/22/2025 04:48:51 ( -80.90,-123.57) 10/22/2025 04:50:04 ( -80.90,-123.62) 0.94 73 10/22/2025 05:39:37 ( 80.91, 43.52) 10/22/2025 05:40:48 ( 80.90, 43.61) 2.03 71 10/22/2025 06:30:21 ( -80.91,-149.01) 10/22/2025 06:31:33 ( -80.91,-148.84) 3.10 72 10/22/2025 07:21:06 ( 80.90, 18.43) 10/22/2025 07:22:17 ( 80.91, 18.38) 1.04 71 10/22/2025 08:11:51 ( -80.91,-174.46) 10/22/2025 08:13:03 ( -80.90,-174.43) 1.00 72 10/22/2025 09:02:36 ( 80.90, -7.02) 10/22/2025 09:03:47 ( 80.90, -7.21) 3.26 71 10/22/2025 09:53:20 ( -80.90, 160.45) 10/22/2025 09:54:32 ( -80.91, 160.35) 2.09 72 10/22/2025 10:44:06 ( 80.91, -32.47) 10/22/2025 10:45:16 ( 80.90, -32.43) 0.86 70 10/22/2025 11:34:50 ( -80.90, 135.00) 10/22/2025 11:36:01 ( -80.91, 135.13) 2.65 71 10/22/2025 12:25:36 ( 80.91, -57.92) 10/22/2025 12:26:46 ( 80.90, -58.02) 2.25 70 10/22/2025 13:16:20 ( -80.90, 109.55) 10/22/2025 13:17:31 ( -80.90, 109.54) 0.26 71 10/22/2025 14:07:06 ( 80.91, -83.37) 10/22/2025 14:08:15 ( 80.90, -83.24) 2.71 69 10/22/2025 14:57:50 ( -80.91, 84.10) 10/22/2025 14:59:01 ( -80.90, 83.95) 2.82 71 10/22/2025 15:48:35 ( 80.90,-108.46) 10/22/2025 15:49:44 ( 80.91,-108.46) 0.63 69 10/22/2025 16:39:20 ( -80.91, 58.65) 10/22/2025 16:40:30 ( -80.90, 58.73) 1.59 70 10/22/2025 17:30:05 ( 80.90,-133.91) 10/22/2025 17:31:14 ( 80.90,-134.05) 2.52 69 10/22/2025 18:20:49 ( -80.90, 33.56) 10/22/2025 18:21:59 ( -80.91, 33.51) 1.51 70 10/22/2025 19:11:35 ( 80.91,-159.36) 10/22/2025 19:12:43 ( 80.90,-159.27) 1.61 68 10/22/2025 20:02:19 ( -80.90, 8.11) 10/22/2025 20:03:28 ( -80.91, 8.29) 3.28 69 10/22/2025 20:53:04 ( 80.89, 175.55) 10/22/2025 20:54:12 ( 80.91, 175.51) 1.76 68 10/22/2025 21:43:49 ( -80.90, -17.34) 10/22/2025 21:44:58 ( -80.90, -17.30) 0.57 69 10/22/2025 22:34:34 ( 80.90, 150.10) 10/22/2025 22:35:42 ( 80.90, 149.91) 3.27 68 10/22/2025 23:25:19 ( -80.91, -42.79) 10/22/2025 23:26:28 ( -80.90, -42.89) 2.18 69 10/23/2025 00:16:04 ( 80.90, 124.65) 10/23/2025 00:17:11 ( 80.91, 124.69) 0.95 67 10/23/2025 01:06:49 ( -80.91, -68.23) 10/23/2025 01:07:57 ( -80.90, -68.12) 2.27 68 10/23/2025 01:57:34 ( 80.91, 99.20) 10/23/2025 01:58:41 ( 80.90, 99.10) 1.81 67 10/23/2025 02:48:18 ( -80.90, -93.33) 10/23/2025 02:49:26 ( -80.91, -93.34) 1.12 68 10/23/2025 03:39:04 ( 80.91, 73.75) 10/23/2025 03:40:10 ( 80.90, 73.88) 2.38 66 10/23/2025 04:29:48 ( -80.90,-118.77) 10/23/2025 04:30:56 ( -80.90,-118.93) 2.72 68 10/23/2025 05:20:33 ( 80.90, 48.66) 10/23/2025 05:21:39 ( 80.91, 48.66) 1.50 66 10/23/2025 06:11:18 ( -80.90,-144.22) 10/23/2025 06:12:25 ( -80.90,-144.15) 1.28 67 10/23/2025 07:02:03 ( 80.90, 23.21) 10/23/2025 07:03:09 ( 80.90, 23.07) 2.50 66 10/23/2025 07:52:48 ( -80.91,-169.67) 10/23/2025 07:53:55 ( -80.90,-169.74) 1.61 67 10/23/2025 08:43:33 ( 80.90, -2.24) 10/23/2025 08:44:38 ( 80.91, -2.16) 1.61 65 10/23/2025 09:34:17 ( -80.91, 164.88) 10/23/2025 09:35:23 ( -80.90, 165.04) 2.97 66 10/23/2025 10:25:02 ( 80.91, -27.69) 10/23/2025 10:26:07 ( 80.90, -27.75) 1.17 65 10/23/2025 11:15:46 ( -80.90, 139.79) 10/23/2025 11:16:52 ( -80.91, 139.82) 1.14 66 10/23/2025 12:06:32 ( 80.91, -53.14) 10/23/2025 12:07:36 ( 80.90, -52.97) 3.15 64 10/23/2025 12:57:16 ( -80.90, 114.34) 10/23/2025 12:58:22 ( -80.90, 114.23) 1.99 66 10/23/2025 13:48:01 ( 80.90, -78.23) 10/23/2025 13:49:05 ( 80.91, -78.19) 1.59 64 10/23/2025 14:38:46 ( -80.91, 88.89) 10/23/2025 14:39:51 ( -80.91, 89.00) 2.01 65 10/23/2025 15:29:31 ( 80.90,-103.69) 10/23/2025 15:30:35 ( 80.90,-103.78) 1.72 64 10/23/2025 16:20:16 ( -80.91, 63.44) 10/23/2025 16:21:21 ( -80.90, 63.41) 1.25 65 10/23/2025 17:11:01 ( 80.90,-129.14) 10/23/2025 17:12:04 ( 80.91,-129.00) 2.34 63 10/23/2025 18:01:45 ( -80.90, 38.35) 10/23/2025 18:02:50 ( -80.90, 38.19) 2.90 65 10/23/2025 18:52:31 ( 80.91,-154.59) 10/23/2025 18:53:34 ( 80.90,-154.60) 0.84 63 10/23/2025 19:43:15 ( -80.90, 12.90) 10/23/2025 19:44:19 ( -80.91, 12.97) 1.54 64 10/23/2025 20:34:00 ( 80.89,-179.68) 10/23/2025 20:35:03 ( 80.90,-179.82) 2.75 63 10/23/2025 21:24:45 ( -80.90, -12.55) 10/23/2025 21:25:49 ( -80.90, -12.62) 1.27 64 10/23/2025 22:15:30 ( 80.90, 154.87) 10/23/2025 22:16:32 ( 80.91, 154.96) 2.00 62 10/23/2025 23:06:15 ( -80.91, -38.00) 10/23/2025 23:07:18 ( -80.91, -37.84) 2.74 63 10/23/2025 23:57:00 ( 80.90, 129.42) 10/23/2025 23:58:02 ( 80.90, 129.37) 0.94 62 10/24/2025 00:47:45 ( -80.91, -63.45) 10/24/2025 00:48:48 ( -80.90, -63.43) 1.28 63 10/24/2025 01:38:30 ( 80.90, 103.97) 10/24/2025 01:39:31 ( 80.91, 104.15) 3.09 61 10/24/2025 02:29:14 ( -80.90, -88.54) 10/24/2025 02:30:17 ( -80.90, -88.66) 2.19 63 10/24/2025 03:20:00 ( 80.91, 78.52) 10/24/2025 03:21:01 ( 80.90, 78.55) 1.12 61 10/24/2025 04:10:44 ( -80.90,-113.99) 10/24/2025 04:11:46 ( -80.91,-113.88) 2.12 62 10/24/2025 05:01:29 ( 80.89, 53.43) 10/24/2025 05:02:30 ( 80.90, 53.33) 2.01 61 10/24/2025 05:52:14 ( -80.90,-139.44) 10/24/2025 05:53:16 ( -80.90,-139.47) 0.61 62 10/24/2025 06:42:59 ( 80.90, 27.98) 10/24/2025 06:43:59 ( 80.91, 28.11) 2.58 60 10/24/2025 07:33:43 ( -80.89,-164.53) 10/24/2025 07:34:45 ( -80.91,-164.69) 3.32 62 10/24/2025 08:24:29 ( 80.90, 2.53) 10/24/2025 08:25:29 ( 80.90, 2.52) 0.17 60 10/24/2025 09:15:14 ( -80.91, 169.66) 10/24/2025 09:16:15 ( -80.90, 169.72) 1.67 61 10/24/2025 10:05:59 ( 80.91, -22.92) 10/24/2025 10:06:59 ( 80.90, -23.07) 2.90 60 10/24/2025 10:56:43 ( -80.90, 144.57) 10/24/2025 10:57:44 ( -80.90, 144.49) 1.48 61 10/24/2025 11:47:29 ( 80.91, -48.37) 10/24/2025 11:48:28 ( 80.90, -48.30) 1.74 59 10/24/2025 12:38:13 ( -80.90, 119.12) 10/24/2025 12:39:13 ( -80.91, 119.27) 2.77 60 10/24/2025 13:28:58 ( 80.90, -73.47) 10/24/2025 13:29:57 ( 80.90, -73.52) 1.33 59 10/24/2025 14:19:43 ( -80.90, 93.67) 10/24/2025 14:20:43 ( -80.90, 93.68) 0.44 60 10/24/2025 15:10:28 ( 80.90, -98.92) 10/24/2025 15:11:26 ( 80.91, -98.74) 3.25 58 10/24/2025 16:01:12 ( -80.89, 68.58) 10/24/2025 16:02:12 ( -80.91, 68.46) 2.67 60 10/24/2025 16:51:58 ( 80.90,-124.37) 10/24/2025 16:52:56 ( 80.90,-124.33) 0.61 58 10/24/2025 17:42:43 ( -80.91, 42.77) 10/24/2025 17:43:42 ( -80.90, 42.87) 2.24 59 10/24/2025 18:33:28 ( 80.91,-149.82) 10/24/2025 18:34:26 ( 80.90,-149.93) 2.29 58 10/24/2025 19:24:12 ( -80.90, 17.68) 10/24/2025 19:25:11 ( -80.90, 17.64) 0.82 59 10/24/2025 20:14:58 ( 80.91,-175.27) 10/24/2025 20:15:55 ( 80.90,-175.15) 2.46 57 10/24/2025 21:05:42 ( -80.90, -7.77) 10/24/2025 21:06:41 ( -80.90, -7.95) 3.14 59 10/24/2025 21:56:27 ( 80.90, 159.64) 10/24/2025 21:57:24 ( 80.90, 159.63) 0.82 57 10/24/2025 22:47:12 ( -80.91, -33.22) 10/24/2025 22:48:10 ( -80.90, -33.17) 1.04 58 10/24/2025 23:37:57 ( 80.90, 134.19) 10/24/2025 23:38:54 ( 80.90, 134.04) 2.68 57 10/25/2025 00:28:41 ( -80.89, -58.31) 10/25/2025 00:29:39 ( -80.91, -58.39) 2.06 58 10/25/2025 01:19:27 ( 80.90, 108.74) 10/25/2025 01:20:23 ( 80.90, 108.81) 1.39 56 10/25/2025 02:10:12 ( -80.91, -84.12) 10/25/2025 02:11:09 ( -80.90, -83.98) 2.88 57