Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between FY3D and NPP 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 (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Distance(km) | Time Diff (sec) |
| 1 | 08/06/2025 | 01:46:39 | 79.43, 113.54 | 65.31 | 08/06/2025 | 01:46:33 | 80.24, 112.21 | 66.26 | 93.41 | 6 |
| 2 | 08/06/2025 | 05:56:50 | -71.63, -96.01 | 125.31 | 08/06/2025 | 05:56:56 | -71.71, -95.01 | 124.83 | 36.04 | 6 |
| 3 | 08/06/2025 | 07:35:26 | -61.57,-107.61 | 135.66 | 08/06/2025 | 07:35:20 | -61.68,-108.50 | 134.98 | 48.69 | 6 |
| 4 | 08/06/2025 | 14:32:27 | -75.07, 18.42 | 97.38 | 08/06/2025 | 14:32:29 | -75.04, 18.72 | 97.65 | 9.21 | 2 |
| 5 | 08/06/2025 | 21:14:12 | -80.27, -12.58 | 111.92 | 08/06/2025 | 21:14:18 | -80.94, -10.78 | 111.68 | 81.81 | 6 |
| 6 | 08/06/2025 | 21:58:48 | 64.05,-146.09 | 46.92 | 08/06/2025 | 21:58:49 | 64.04,-146.20 | 47.50 | 5.32 | 1 |
| 7 | 08/06/2025 | 22:07:44 | 78.60, 103.12 | 77.19 | 08/06/2025 | 22:07:41 | 78.96, 101.73 | 77.23 | 50.42 | 3 |
| 8 | 08/07/2025 | 02:17:38 | -79.86, -67.77 | 114.85 | 08/07/2025 | 02:17:44 | -79.31, -66.89 | 115.19 | 63.12 | 6 |
| 9 | 08/07/2025 | 08:06:29 | 59.62, 65.80 | 42.74 | 08/07/2025 | 08:06:27 | 59.49, 65.17 | 43.21 | 38.57 | 2 |
| 10 | 08/07/2025 | 22:38:42 | -79.86, -72.15 | 105.16 | 08/07/2025 | 22:38:40 | -80.34, -73.59 | 105.01 | 60.28 | 2 |
| 11 | 08/08/2025 | 05:20:24 | -76.01, -95.48 | 119.81 | 08/08/2025 | 05:20:19 | -75.93, -95.91 | 119.51 | 14.41 | 5 |
| 12 | 08/08/2025 | 08:37:33 | -57.51,-120.72 | 138.97 | 08/08/2025 | 08:37:30 | -57.42,-121.39 | 138.46 | 41.53 | 3 |
| 13 | 08/08/2025 | 13:56:00 | -70.57, 17.77 | 91.56 | 08/08/2025 | 13:55:56 | -70.46, 18.46 | 91.98 | 28.43 | 4 |
| 14 | 08/08/2025 | 18:06:14 | 79.55, 165.48 | 77.02 | 08/08/2025 | 18:06:20 | 79.55, 166.47 | 76.77 | 19.82 | 6 |
| 15 | 08/08/2025 | 20:37:56 | -80.99, -36.83 | 105.87 | 08/08/2025 | 20:37:50 | -80.74, -37.59 | 105.74 | 31.27 | 6 |
| 16 | 08/08/2025 | 23:09:38 | 80.88, 118.00 | 72.09 | 08/08/2025 | 23:09:32 | 81.20, 116.49 | 72.44 | 44.34 | 6 |
| 17 | 08/09/2025 | 09:08:37 | 54.76, 52.58 | 38.72 | 08/09/2025 | 09:08:31 | 54.86, 52.16 | 39.45 | 28.80 | 6 |
| 18 | 08/09/2025 | 12:02:59 | -45.41, 30.13 | 65.91 | 08/09/2025 | 09:08:31 | -45.04, 29.94 | 66.17 | 43.49 | 0 |
| 19 | 08/09/2025 | 14:27:03 | 71.49,-169.01 | 87.82 | 08/09/2025 | 14:27:09 | 71.98,-166.81 | 86.64 | 94.53 | 6 |
| 20 | 08/09/2025 | 21:08:55 | 80.62, 146.74 | 72.54 | 08/09/2025 | 21:09:01 | 81.20, 146.44 | 72.72 | 64.73 | 6 |
| 21 | 08/09/2025 | 22:47:04 | 75.68, 179.33 | 60.67 | 08/09/2025 | 22:47:07 | 76.18,-178.46 | 61.29 | 82.33 | 3 |
| 22 | 08/09/2025 | 22:56:00 | 67.88, 59.41 | 91.69 | 08/09/2025 | 22:55:58 | 67.78, 59.90 | 91.25 | 23.84 | 2 |
| 23 | 08/09/2025 | 23:40:36 | -81.14, -53.73 | 109.96 | 08/09/2025 | 23:40:30 | -81.17, -53.89 | 109.82 | 4.18 | 6 |
| 24 | 08/10/2025 | 02:12:18 | 80.31, 101.97 | 67.73 | 08/10/2025 | 02:12:12 | 80.66, 100.16 | 68.35 | 50.94 | 6 |
| 25 | 08/10/2025 | 09:39:42 | -52.69,-133.64 | 142.76 | 08/10/2025 | 09:39:36 | -52.84,-134.70 | 142.10 | 73.14 | 6 |
| 26 | 08/10/2025 | 12:34:03 | 47.41,-155.81 | 111.98 | 08/10/2025 | 12:34:00 | 47.25,-157.10 | 111.96 | 98.66 | 3 |
| 27 | 08/10/2025 | 23:18:00 | -73.59, -0.31 | 121.74 | 08/10/2025 | 23:17:57 | -73.75, 0.66 | 121.26 | 34.97 | 3 |
| 28 | 08/10/2025 | 23:26:57 | -70.17,-122.80 | 91.14 | 08/10/2025 | 23:26:51 | -70.47,-124.24 | 91.34 | 63.63 | 6 |
| 29 | 08/11/2025 | 00:11:34 | 81.04, 130.32 | 68.71 | 08/11/2025 | 00:11:40 | 80.67, 130.13 | 68.64 | 41.83 | 6 |
| 30 | 08/11/2025 | 02:43:17 | -80.60, -78.90 | 112.60 | 08/11/2025 | 02:43:23 | -79.87, -78.01 | 113.08 | 83.07 | 6 |
| 31 | 08/11/2025 | 05:15:01 | 77.70, 75.94 | 63.57 | 08/11/2025 | 05:14:55 | 78.35, 75.10 | 64.51 | 75.42 | 6 |
| 32 | 08/11/2025 | 18:00:52 | -78.12, -20.20 | 100.32 | 08/11/2025 | 18:00:47 | -77.79, -23.22 | 99.72 | 79.08 | 5 |
| 33 | 08/11/2025 | 23:04:22 | -80.35, -87.10 | 102.64 | 08/11/2025 | 23:04:19 | -79.86, -85.21 | 102.90 | 65.01 | 3 |
| 34 | 08/11/2025 | 23:48:59 | 72.12, 177.50 | 56.76 | 08/11/2025 | 23:49:05 | 71.90, 176.65 | 57.01 | 38.21 | 6 |
| 35 | 08/12/2025 | 05:46:02 | -77.84,-108.62 | 116.31 | 08/12/2025 | 05:46:08 | -77.15,-106.86 | 116.83 | 87.97 | 6 |
| 36 | 08/12/2025 | 18:31:53 | 78.46, 152.60 | 79.73 | 08/12/2025 | 18:31:59 | 78.95, 155.56 | 78.89 | 83.93 | 6 |
| 37 | 08/12/2025 | 21:03:36 | -80.73, -50.92 | 103.45 | 08/12/2025 | 21:03:30 | -80.32, -50.04 | 103.56 | 48.49 | 6 |
| 38 | 08/12/2025 | 23:35:19 | 80.97, 99.64 | 75.18 | 08/12/2025 | 23:35:21 | 80.84, 99.89 | 75.14 | 14.76 | 2 |
| 39 | 08/13/2025 | 21:34:35 | 80.19, 132.28 | 75.02 | 08/13/2025 | 21:34:41 | 80.98, 133.10 | 74.93 | 89.32 | 6 |
| 40 | 08/14/2025 | 00:06:17 | -81.14, -71.80 | 107.08 | 08/14/2025 | 00:06:21 | -81.28, -71.66 | 107.00 | 16.25 | 4 |
| 41 | 08/14/2025 | 02:37:58 | 80.71, 87.55 | 70.23 | 08/14/2025 | 02:37:52 | 80.99, 87.20 | 70.57 | 32.56 | 6 |
| 42 | 08/15/2025 | 00:37:14 | 80.81, 116.43 | 70.74 | 08/15/2025 | 00:37:20 | 81.00, 117.14 | 70.88 | 24.82 | 6 |
| 43 | 08/15/2025 | 00:46:09 | 60.21, 26.45 | 100.74 | 08/15/2025 | 00:46:03 | 60.23, 25.91 | 100.37 | 29.88 | 6 |
| 44 | 08/15/2025 | 03:08:56 | -81.04, -88.69 | 110.70 | 08/15/2025 | 03:09:02 | -80.35, -89.69 | 110.91 | 78.92 | 6 |
| 45 | 08/15/2025 | 05:40:39 | 79.31, 65.23 | 66.65 | 08/15/2025 | 05:40:35 | 79.05, 64.34 | 66.76 | 34.47 | 4 |
| 46 | 08/15/2025 | 09:50:55 | -68.93,-147.44 | 125.59 | 08/15/2025 | 09:50:49 | -69.18,-149.59 | 124.80 | 90.21 | 6 |
| 47 | 08/15/2025 | 18:26:31 | -76.85, -34.98 | 96.89 | 08/15/2025 | 18:26:34 | -76.71, -34.32 | 97.12 | 23.52 | 3 |
| 48 | 08/16/2025 | 01:08:11 | -79.73, -53.86 | 111.95 | 08/16/2025 | 01:08:11 | -79.81, -53.63 | 111.72 | 9.96 | 0 |
| 49 | 08/16/2025 | 10:21:58 | 67.22, 25.21 | 52.98 | 08/16/2025 | 10:21:57 | 67.20, 25.02 | 53.50 | 8.59 | 1 |
| 50 | 08/16/2025 | 21:29:15 | -80.06, -61.67 | 101.39 | 08/16/2025 | 21:29:09 | -79.83, -61.72 | 101.38 | 25.08 | 6 |
| 51 | 08/17/2025 | 00:00:58 | 81.15, 90.73 | 76.78 | 08/17/2025 | 00:00:52 | 80.65, 90.15 | 76.89 | 56.71 | 6 |
| 52 | 08/17/2025 | 01:30:12 | 49.70, 169.60 | 36.58 | 08/17/2025 | 01:30:12 | 49.57, 168.97 | 37.04 | 47.27 | 0 |
| 53 | 08/17/2025 | 01:39:08 | 78.42, 130.67 | 65.92 | 08/17/2025 | 01:39:09 | 78.23, 129.75 | 66.10 | 29.65 | 1 |
| 54 | 08/17/2025 | 02:32:40 | -80.38,-113.29 | 105.54 | 08/17/2025 | 02:32:34 | -81.16,-115.90 | 104.93 | 99.26 | 6 |
| 55 | 08/17/2025 | 09:14:27 | -74.14,-148.22 | 119.31 | 08/17/2025 | 09:14:21 | -74.12,-149.29 | 118.89 | 32.62 | 6 |
| 56 | 08/17/2025 | 10:53:01 | -65.70,-161.66 | 128.24 | 08/17/2025 | 10:53:07 | -65.54,-161.08 | 127.84 | 32.27 | 6 |
| 57 | 08/18/2025 | 00:31:57 | -81.03, -85.64 | 104.72 | 08/18/2025 | 00:32:02 | -81.17, -85.59 | 104.68 | 15.17 | 5 |
| 58 | 08/18/2025 | 01:25:29 | 76.75, 36.45 | 84.62 | 08/18/2025 | 01:25:24 | 76.22, 39.22 | 84.18 | 93.05 | 5 |
| 59 | 08/18/2025 | 02:10:06 | -77.10, -48.00 | 115.76 | 08/18/2025 | 02:10:12 | -76.56, -50.56 | 115.78 | 88.27 | 6 |
| 60 | 08/18/2025 | 03:03:38 | 80.98, 73.62 | 72.67 | 08/18/2025 | 03:03:32 | 81.21, 73.75 | 72.86 | 25.20 | 6 |
| 61 | 08/18/2025 | 09:45:29 | 73.32, 24.55 | 60.15 | 08/18/2025 | 09:45:35 | 72.60, 26.21 | 59.77 | 96.26 | 6 |
| 62 | 08/18/2025 | 16:42:34 | 65.49, 151.77 | 96.31 | 08/18/2025 | 16:42:28 | 65.12, 150.57 | 96.49 | 69.13 | 6 |
| 63 | 08/18/2025 | 18:21:08 | 74.13, 138.18 | 87.36 | 08/18/2025 | 18:21:10 | 73.98, 138.86 | 87.06 | 26.29 | 2 |
| 64 | 08/19/2025 | 01:02:54 | 80.45, 102.19 | 72.96 | 08/19/2025 | 01:03:00 | 81.21, 103.66 | 73.18 | 88.95 | 6 |
| 65 | 08/19/2025 | 01:56:26 | -78.35,-141.16 | 97.84 | 08/19/2025 | 01:56:22 | -78.15,-140.27 | 98.04 | 29.85 | 4 |
| 66 | 08/19/2025 | 02:05:23 | -49.52,-179.76 | 67.09 | 08/19/2025 | 02:05:22 | -49.42,-179.14 | 67.84 | 46.03 | 1 |
| 67 | 08/19/2025 | 03:34:36 | -81.14,-102.53 | 108.49 | 08/19/2025 | 03:34:42 | -80.77,-102.28 | 108.62 | 41.77 | 6 |
| 68 | 08/19/2025 | 06:06:19 | 79.88, 49.66 | 69.40 | 08/19/2025 | 06:06:25 | 79.99, 50.06 | 69.63 | 13.90 | 6 |
| 69 | 08/19/2025 | 17:13:36 | -67.24, -35.33 | 84.92 | 08/19/2025 | 17:13:34 | -67.20, -35.11 | 85.35 | 10.18 | 2 |
Figure of FY3D and NPP satellite orbits during SNOs since TLE Epoch: 8/5/2025
Download SNOs between FY3D and NPP since TLE EPOCH: 08/05/2025 in txt file.
Historial Predications of SNOs between FY3D and NPP