Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between FY3D and NOAA-20 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/5/2025
| Index | Date (FY3D) | Time (FY3D) | Lat,Lon (FY3D) | SZA (FY3D ) | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Distance(km) | Time Diff (sec) |
| 1 | 08/06/2025 | 03:49:38 | 77.44, 100.83 | 61.55 | 08/06/2025 | 03:49:41 | 77.38, 100.53 | 61.82 | 9.66 | 3 |
| 2 | 08/06/2025 | 16:35:30 | -78.80, 1.84 | 102.13 | 08/06/2025 | 16:35:34 | -78.72, 2.22 | 102.28 | 12.32 | 4 |
| 3 | 08/06/2025 | 21:38:57 | -80.70, -55.27 | 105.87 | 08/06/2025 | 21:38:59 | -80.66, -55.28 | 105.88 | 4.64 | 2 |
| 4 | 08/06/2025 | 21:47:54 | -54.26,-114.89 | 74.63 | 08/06/2025 | 21:47:57 | -54.06,-113.76 | 75.41 | 77.03 | 3 |
| 5 | 08/07/2025 | 19:38:13 | -80.63, -22.89 | 105.98 | 08/07/2025 | 19:38:19 | -80.83, -22.14 | 106.12 | 25.95 | 6 |
| 6 | 08/07/2025 | 22:09:55 | 81.12, 132.50 | 71.92 | 08/07/2025 | 22:10:00 | 81.25, 132.40 | 72.00 | 15.52 | 5 |
| 7 | 08/07/2025 | 22:18:50 | 57.07, 61.25 | 102.05 | 08/07/2025 | 22:18:45 | 57.06, 60.02 | 101.86 | 73.98 | 5 |
| 8 | 08/08/2025 | 00:41:36 | -80.35, -66.79 | 111.21 | 08/08/2025 | 00:41:30 | -81.14, -68.24 | 110.50 | 91.80 | 6 |
| 9 | 08/08/2025 | 22:31:55 | -55.74, 28.91 | 140.73 | 08/08/2025 | 22:32:01 | -55.81, 30.04 | 139.88 | 71.30 | 6 |
| 10 | 08/08/2025 | 22:40:51 | -80.91, -34.86 | 110.92 | 08/08/2025 | 22:40:48 | -81.02, -34.51 | 110.79 | 13.06 | 3 |
| 11 | 08/09/2025 | 01:12:34 | 80.80, 115.63 | 67.92 | 08/09/2025 | 01:12:40 | 80.59, 115.58 | 67.94 | 23.75 | 6 |
| 12 | 08/09/2025 | 03:44:17 | -78.75, -87.41 | 115.43 | 08/09/2025 | 03:44:11 | -79.35, -89.42 | 114.48 | 78.84 | 6 |
| 13 | 08/09/2025 | 16:30:08 | 76.98, 175.91 | 80.94 | 08/09/2025 | 16:30:02 | 76.70, 173.85 | 81.33 | 60.99 | 6 |
| 14 | 08/09/2025 | 23:02:53 | 52.93,-155.04 | 37.24 | 08/09/2025 | 23:02:53 | 52.72,-156.25 | 37.56 | 84.61 | 0 |
| 15 | 08/09/2025 | 23:11:49 | 80.19, 152.59 | 66.91 | 08/09/2025 | 23:11:48 | 80.06, 152.31 | 67.04 | 15.00 | 1 |
| 16 | 08/10/2025 | 04:15:18 | 78.65, 86.64 | 64.57 | 08/10/2025 | 04:15:23 | 78.17, 90.31 | 64.02 | 98.06 | 5 |
| 17 | 08/10/2025 | 22:04:36 | -81.08, -64.84 | 104.28 | 08/10/2025 | 22:04:30 | -80.46, -64.61 | 104.26 | 69.99 | 6 |
| 18 | 08/10/2025 | 23:42:46 | -79.18, -23.04 | 114.96 | 08/10/2025 | 23:42:50 | -78.74, -24.84 | 114.92 | 62.01 | 4 |
| 19 | 08/11/2025 | 08:56:38 | 64.88, 48.96 | 49.05 | 08/11/2025 | 08:56:32 | 65.24, 47.56 | 49.97 | 77.03 | 6 |
| 20 | 08/11/2025 | 20:03:52 | -79.91, -33.93 | 103.99 | 08/11/2025 | 20:03:58 | -80.47, -34.28 | 104.03 | 62.84 | 6 |
| 21 | 08/11/2025 | 22:35:35 | 81.14, 118.89 | 74.19 | 08/11/2025 | 22:35:40 | 81.08, 119.10 | 74.17 | 7.87 | 5 |
| 22 | 08/11/2025 | 23:29:07 | -76.10,-114.56 | 96.77 | 08/11/2025 | 23:29:01 | -75.90,-113.67 | 97.04 | 32.23 | 6 |
| 23 | 08/11/2025 | 23:38:04 | -46.33,-144.21 | 65.86 | 08/11/2025 | 23:38:02 | -46.35,-144.22 | 66.50 | 2.31 | 2 |
| 24 | 08/12/2025 | 01:07:16 | -80.73, -81.35 | 108.66 | 08/12/2025 | 01:07:10 | -81.28, -81.50 | 108.35 | 61.81 | 6 |
| 25 | 08/12/2025 | 07:49:07 | -72.66,-125.43 | 122.45 | 08/12/2025 | 07:49:03 | -72.63,-125.47 | 122.06 | 3.55 | 4 |
| 26 | 08/12/2025 | 09:27:42 | -63.36,-137.63 | 132.16 | 08/12/2025 | 09:27:37 | -63.22,-138.49 | 131.73 | 45.53 | 5 |
| 27 | 08/12/2025 | 16:24:43 | -74.09, -10.35 | 94.94 | 08/12/2025 | 16:24:38 | -74.04, -12.76 | 94.63 | 73.64 | 5 |
| 28 | 08/12/2025 | 23:06:32 | -80.81, -53.08 | 108.07 | 08/12/2025 | 23:06:38 | -81.28, -51.53 | 108.06 | 58.76 | 6 |
| 29 | 08/13/2025 | 00:00:04 | 77.50, 65.77 | 81.15 | 08/13/2025 | 00:00:03 | 77.64, 65.31 | 81.03 | 19.34 | 1 |
| 30 | 08/13/2025 | 01:38:14 | 81.04, 101.82 | 70.20 | 08/13/2025 | 01:38:20 | 80.94, 102.85 | 70.13 | 20.92 | 6 |
| 31 | 08/13/2025 | 04:09:56 | -79.75,-100.25 | 112.69 | 08/13/2025 | 04:09:50 | -79.89,-100.50 | 112.36 | 16.75 | 6 |
| 32 | 08/13/2025 | 09:58:45 | 60.80, 35.19 | 45.58 | 08/13/2025 | 09:58:39 | 60.86, 35.48 | 46.28 | 16.61 | 6 |
| 33 | 08/13/2025 | 16:55:46 | 75.03, 161.88 | 84.77 | 08/13/2025 | 16:55:52 | 75.40, 163.06 | 84.08 | 52.85 | 6 |
| 34 | 08/14/2025 | 00:22:05 | -63.41, -2.22 | 131.64 | 08/14/2025 | 00:22:07 | -63.42, -2.26 | 131.04 | 2.28 | 2 |
| 35 | 08/14/2025 | 00:31:02 | -79.00,-110.86 | 101.29 | 08/14/2025 | 00:31:02 | -79.36,-112.22 | 101.23 | 49.00 | 0 |
| 36 | 08/14/2025 | 10:29:49 | -59.34,-151.03 | 135.49 | 08/14/2025 | 10:29:52 | -59.27,-151.31 | 134.94 | 17.74 | 3 |
| 37 | 08/14/2025 | 15:48:17 | -69.50, -12.04 | 88.64 | 08/14/2025 | 15:48:11 | -69.11, -12.35 | 88.64 | 45.17 | 6 |
| 38 | 08/14/2025 | 19:58:32 | 79.66, 133.11 | 79.49 | 08/14/2025 | 19:58:26 | 78.94, 132.91 | 79.69 | 80.44 | 6 |
| 39 | 08/15/2025 | 01:01:58 | 80.35, 76.94 | 75.97 | 08/15/2025 | 01:01:52 | 80.77, 75.78 | 76.15 | 50.96 | 6 |
| 40 | 08/15/2025 | 07:43:42 | 75.66, 46.71 | 62.12 | 08/15/2025 | 07:43:47 | 75.78, 47.98 | 62.47 | 37.47 | 5 |
| 41 | 08/15/2025 | 11:00:52 | 56.64, 22.14 | 42.19 | 08/15/2025 | 11:00:51 | 56.69, 22.39 | 42.94 | 16.12 | 1 |
| 42 | 08/15/2025 | 16:19:19 | 70.41, 161.36 | 90.70 | 08/15/2025 | 16:19:25 | 70.52, 161.83 | 90.16 | 21.39 | 6 |
| 43 | 08/15/2025 | 20:29:32 | -79.34, -49.45 | 101.04 | 08/15/2025 | 20:29:38 | -79.99, -46.30 | 101.82 | 95.62 | 6 |
| 44 | 08/15/2025 | 23:01:14 | 80.88, 109.88 | 75.79 | 08/15/2025 | 23:01:10 | 80.96, 109.68 | 75.83 | 8.96 | 4 |
| 45 | 08/16/2025 | 01:32:56 | -80.99, -95.38 | 106.20 | 08/16/2025 | 01:32:51 | -81.29, -95.36 | 106.07 | 33.46 | 5 |
| 46 | 08/16/2025 | 11:31:57 | -54.56,-164.17 | 139.40 | 08/16/2025 | 11:31:54 | -54.53,-164.31 | 138.76 | 9.04 | 3 |
| 47 | 08/16/2025 | 14:26:19 | 45.47, 173.45 | 116.23 | 08/16/2025 | 11:31:54 | 45.51, 173.44 | 115.57 | 3.93 | 0 |
| 48 | 08/17/2025 | 01:10:20 | -74.93, -35.12 | 118.03 | 08/17/2025 | 01:10:20 | -75.43, -32.57 | 117.42 | 91.14 | 0 |
| 49 | 08/17/2025 | 01:19:17 | -68.71,-156.22 | 86.99 | 08/17/2025 | 01:19:14 | -68.65,-155.72 | 87.44 | 21.58 | 3 |
| 50 | 08/17/2025 | 02:03:53 | 81.14, 92.89 | 71.81 | 08/17/2025 | 02:03:52 | 81.09, 92.67 | 71.94 | 6.11 | 1 |
| 51 | 08/17/2025 | 04:35:35 | -80.53,-111.46 | 110.30 | 08/17/2025 | 04:35:29 | -80.37,-112.12 | 110.17 | 21.56 | 6 |
| 52 | 08/17/2025 | 12:03:00 | 51.72, 9.29 | 38.29 | 08/17/2025 | 12:02:54 | 51.97, 9.06 | 39.21 | 32.02 | 6 |
| 53 | 08/17/2025 | 14:57:22 | -48.44, -12.84 | 66.56 | 08/17/2025 | 14:57:18 | -48.20, -13.41 | 66.77 | 49.95 | 4 |
| 54 | 08/18/2025 | 01:41:18 | 72.91, 144.54 | 59.70 | 08/18/2025 | 01:41:16 | 73.09, 145.55 | 60.23 | 38.42 | 2 |
| 55 | 08/18/2025 | 01:50:14 | 70.92, 21.69 | 90.31 | 08/18/2025 | 01:50:08 | 71.16, 20.16 | 90.18 | 61.58 | 6 |
| 56 | 08/18/2025 | 02:34:51 | -80.80, -79.30 | 110.05 | 08/18/2025 | 02:34:54 | -80.28, -80.86 | 110.08 | 64.52 | 3 |
| 57 | 08/18/2025 | 07:38:19 | -78.16,-138.32 | 114.00 | 08/18/2025 | 07:38:15 | -77.94,-139.20 | 113.85 | 31.61 | 4 |
| 58 | 08/18/2025 | 12:34:05 | -49.70,-176.79 | 143.02 | 08/18/2025 | 12:33:59 | -49.92,-177.90 | 142.31 | 83.87 | 6 |
| 59 | 08/18/2025 | 20:24:11 | 78.15, 123.03 | 81.97 | 08/18/2025 | 20:24:06 | 78.27, 122.51 | 81.90 | 18.21 | 5 |
| 60 | 08/19/2025 | 01:27:38 | 80.74, 62.62 | 78.50 | 08/19/2025 | 01:27:32 | 80.35, 63.24 | 78.43 | 44.93 | 6 |
| 61 | 08/19/2025 | 02:12:15 | -71.38, -37.84 | 121.80 | 08/19/2025 | 02:12:21 | -71.22, -38.76 | 121.47 | 36.96 | 6 |
Figure of FY3D and NOAA-20 satellite orbits during SNOs since TLE Epoch: 8/5/2025
Download SNOs between FY3D and NOAA-20 since TLE EPOCH: 08/05/2025 in txt file.
Historial Predications of SNOs between FY3D and NOAA-20