Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between METOP-B and NPP Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/18/2025
| Index | Date (METOP-B) | Time (METOP-B) | Lat,Lon (METOP-B) | SZA (METOP-B ) | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Distance(km) | Time Diff (sec) |
| 1 | 09/21/2025 | 14:15:06 | 75.16, -43.75 | 74.78 | 09/21/2025 | 14:14:00 | 75.19, -46.91 | 74.96 | 90.10 | 66 |
| 2 | 09/21/2025 | 15:05:50 | -75.09, 123.35 | 105.28 | 09/21/2025 | 15:04:42 | -75.06, 120.76 | 105.17 | 74.15 | 68 |
| 3 | 09/21/2025 | 15:56:34 | 74.86, -69.95 | 74.54 | 09/21/2025 | 15:55:23 | 74.85, -71.32 | 74.61 | 39.95 | 71 |
| 4 | 09/21/2025 | 16:47:19 | -74.74, 97.04 | 105.56 | 09/21/2025 | 16:46:06 | -74.78, 96.21 | 105.47 | 24.63 | 73 |
| 5 | 09/21/2025 | 17:38:01 | 74.61, -95.98 | 74.35 | 09/21/2025 | 17:36:48 | 74.61, -96.03 | 74.37 | 1.40 | 73 |
| 6 | 09/21/2025 | 18:28:43 | -74.58, 71.27 | 105.67 | 09/21/2025 | 18:27:31 | -74.58, 71.36 | 105.66 | 2.78 | 72 |
| 7 | 09/21/2025 | 19:19:22 | 74.59,-121.36 | 74.36 | 09/21/2025 | 19:18:17 | 74.61,-121.40 | 74.39 | 2.14 | 65 |
| 8 | 09/21/2025 | 20:10:05 | -74.56, 45.89 | 105.65 | 09/21/2025 | 20:09:01 | -74.58, 45.99 | 105.63 | 3.45 | 64 |
| 9 | 09/21/2025 | 21:00:44 | 74.58,-146.74 | 74.38 | 09/21/2025 | 20:59:47 | 74.61,-146.77 | 74.42 | 3.34 | 57 |
| 10 | 09/21/2025 | 21:51:26 | -74.60, 20.64 | 105.60 | 09/21/2025 | 21:50:31 | -74.58, 20.62 | 105.61 | 2.32 | 55 |
| 11 | 09/21/2025 | 22:42:06 | 74.56,-172.11 | 74.39 | 09/21/2025 | 22:41:16 | 74.56,-172.01 | 74.39 | 3.22 | 50 |
| 12 | 09/21/2025 | 23:32:48 | -74.59, -4.73 | 105.58 | 09/21/2025 | 23:32:01 | -74.58, -4.75 | 105.58 | 0.98 | 47 |
| 13 | 09/22/2025 | 00:23:28 | 74.55, 162.51 | 74.41 | 09/22/2025 | 00:22:46 | 74.56, 162.62 | 74.41 | 3.37 | 42 |
| 14 | 09/22/2025 | 01:14:10 | -74.57, -30.11 | 105.57 | 09/22/2025 | 01:13:31 | -74.58, -30.12 | 105.55 | 0.58 | 39 |
| 15 | 09/22/2025 | 02:04:49 | 74.58, 137.26 | 74.46 | 09/22/2025 | 02:04:16 | 74.55, 137.25 | 74.44 | 3.44 | 33 |
| 16 | 09/22/2025 | 02:55:32 | -74.56, -55.49 | 105.55 | 09/22/2025 | 02:55:01 | -74.57, -55.49 | 105.53 | 1.87 | 31 |
| 17 | 09/22/2025 | 03:46:11 | 74.57, 111.88 | 74.48 | 09/22/2025 | 03:45:46 | 74.55, 111.88 | 74.47 | 2.03 | 25 |
| 18 | 09/22/2025 | 04:36:54 | -74.54, -80.87 | 105.54 | 09/22/2025 | 04:36:31 | -74.57, -80.86 | 105.50 | 3.24 | 23 |
| 19 | 09/22/2025 | 05:27:33 | 74.56, 86.50 | 74.49 | 09/22/2025 | 05:27:16 | 74.55, 86.51 | 74.49 | 0.64 | 17 |
| 20 | 09/22/2025 | 06:18:15 | -74.58,-106.11 | 105.48 | 09/22/2025 | 06:18:01 | -74.57,-106.23 | 105.48 | 3.60 | 14 |
| 21 | 09/22/2025 | 07:08:55 | 74.54, 61.13 | 74.51 | 09/22/2025 | 07:08:46 | 74.55, 61.14 | 74.52 | 0.81 | 9 |
| 22 | 09/22/2025 | 07:59:37 | -74.56,-131.49 | 105.46 | 09/22/2025 | 07:59:31 | -74.57,-131.60 | 105.45 | 3.37 | 6 |
| 23 | 09/22/2025 | 08:50:17 | 74.53, 35.75 | 74.52 | 09/22/2025 | 08:50:16 | 74.55, 35.77 | 74.54 | 2.22 | 1 |
| 24 | 09/22/2025 | 09:40:59 | -74.55,-156.87 | 105.45 | 09/22/2025 | 09:41:00 | -74.52,-156.84 | 105.48 | 3.51 | 1 |
| 25 | 09/22/2025 | 10:31:39 | 74.51, 10.37 | 74.54 | 09/22/2025 | 10:31:46 | 74.55, 10.39 | 74.57 | 3.63 | 7 |
| 26 | 09/22/2025 | 11:22:21 | -74.54, 177.75 | 105.43 | 09/22/2025 | 11:22:30 | -74.52, 177.78 | 105.46 | 2.25 | 9 |
| 27 | 09/22/2025 | 12:13:00 | 74.55, -14.88 | 74.60 | 09/22/2025 | 12:13:16 | 74.55, -14.98 | 74.59 | 2.99 | 16 |
| 28 | 09/22/2025 | 13:03:43 | -74.52, 152.38 | 105.42 | 09/22/2025 | 13:04:00 | -74.52, 152.41 | 105.43 | 1.28 | 17 |
| 29 | 09/22/2025 | 13:54:22 | 74.54, -40.25 | 74.61 | 09/22/2025 | 13:54:46 | 74.54, -40.35 | 74.62 | 2.92 | 24 |
| 30 | 09/22/2025 | 14:45:05 | -74.51, 127.00 | 105.40 | 09/22/2025 | 14:45:30 | -74.52, 127.04 | 105.40 | 1.43 | 25 |
| 31 | 09/22/2025 | 15:35:44 | 74.52, -65.63 | 74.63 | 09/22/2025 | 15:36:15 | 74.49, -65.59 | 74.59 | 3.31 | 31 |
| 32 | 09/22/2025 | 16:26:27 | -74.50, 101.62 | 105.39 | 09/22/2025 | 16:27:00 | -74.51, 101.67 | 105.38 | 2.50 | 33 |
| 33 | 09/22/2025 | 17:17:06 | 74.51, -91.01 | 74.64 | 09/22/2025 | 17:17:45 | 74.49, -90.96 | 74.62 | 2.20 | 39 |
| 34 | 09/22/2025 | 18:07:48 | -74.53, 76.37 | 105.33 | 09/22/2025 | 18:08:30 | -74.51, 76.30 | 105.35 | 2.94 | 42 |
| 35 | 09/22/2025 | 18:58:28 | 74.49,-116.39 | 74.66 | 09/22/2025 | 18:59:15 | 74.49,-116.33 | 74.64 | 1.66 | 47 |
| 36 | 09/22/2025 | 19:49:10 | -74.52, 51.00 | 105.32 | 09/22/2025 | 19:50:00 | -74.51, 50.93 | 105.33 | 2.07 | 50 |
| 37 | 09/22/2025 | 20:39:50 | 74.48,-141.76 | 74.67 | 09/22/2025 | 20:40:45 | 74.49,-141.70 | 74.67 | 2.17 | 55 |
| 38 | 09/22/2025 | 21:30:32 | -74.50, 25.62 | 105.30 | 09/22/2025 | 21:31:30 | -74.51, 25.56 | 105.30 | 1.94 | 58 |
| 39 | 09/22/2025 | 22:21:12 | 74.47,-167.14 | 74.69 | 09/22/2025 | 22:22:15 | 74.49,-167.07 | 74.69 | 3.26 | 63 |
| 40 | 09/22/2025 | 23:11:54 | -74.49, 0.24 | 105.29 | 09/22/2025 | 23:13:00 | -74.51, 0.19 | 105.28 | 2.67 | 66 |
| 41 | 09/23/2025 | 00:02:33 | 74.50, 167.61 | 74.74 | 09/23/2025 | 00:03:45 | 74.49, 167.56 | 74.72 | 2.17 | 72 |
| 42 | 09/23/2025 | 00:53:16 | -74.48, -25.13 | 105.27 | 09/23/2025 | 00:54:29 | -74.46, -25.05 | 105.31 | 3.04 | 73 |
| 43 | 09/23/2025 | 01:44:00 | 74.24, 141.60 | 74.55 | 09/23/2025 | 01:45:11 | 74.29, 142.69 | 74.53 | 33.37 | 71 |
| 44 | 09/23/2025 | 02:34:44 | -74.17, -51.26 | 105.51 | 09/23/2025 | 02:35:54 | -74.21, -49.79 | 105.55 | 44.63 | 70 |
| 45 | 09/23/2025 | 03:25:28 | 73.93, 115.50 | 74.31 | 09/23/2025 | 03:26:35 | 74.00, 118.07 | 74.23 | 79.22 | 67 |
| 46 | 09/23/2025 | 04:16:12 | -73.86, -77.35 | 105.75 | 09/23/2025 | 04:17:18 | -73.92, -74.43 | 105.84 | 90.37 | 66 |
Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 9/18/2025
Download SNOs between METOP-B and NPP since TLE EPOCH: 09/18/2025 in txt file.
Historial Predications of SNOs between METOP-B and NPP