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: 9/20/2025
| 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 | 14:15:05 | 75.17, -43.73 | 74.79 | 09/21/2025 | 14:13:59 | 75.18, -46.90 | 74.96 | 90.05 | 66 |
| 2 | 09/21/2025 | 15:05:49 | -75.09, 123.36 | 105.27 | 09/21/2025 | 15:04:41 | -75.06, 120.78 | 105.17 | 74.12 | 68 |
| 3 | 09/21/2025 | 15:56:33 | 74.87, -69.93 | 74.55 | 09/21/2025 | 15:55:22 | 74.85, -71.30 | 74.60 | 40.01 | 71 |
| 4 | 09/21/2025 | 16:47:18 | -74.74, 97.05 | 105.55 | 09/21/2025 | 16:46:05 | -74.77, 96.22 | 105.47 | 24.40 | 73 |
| 5 | 09/21/2025 | 17:38:00 | 74.61, -95.96 | 74.35 | 09/21/2025 | 17:36:47 | 74.60, -96.01 | 74.36 | 1.66 | 73 |
| 6 | 09/21/2025 | 18:28:43 | -74.58, 71.28 | 105.67 | 09/21/2025 | 18:27:31 | -74.58, 71.37 | 105.66 | 2.86 | 72 |
| 7 | 09/21/2025 | 19:19:22 | 74.60,-121.34 | 74.37 | 09/21/2025 | 19:18:17 | 74.60,-121.38 | 74.38 | 1.18 | 65 |
| 8 | 09/21/2025 | 20:10:05 | -74.57, 45.90 | 105.65 | 09/21/2025 | 20:09:01 | -74.58, 46.00 | 105.64 | 3.13 | 64 |
| 9 | 09/21/2025 | 21:00:44 | 74.58,-146.72 | 74.38 | 09/21/2025 | 20:59:47 | 74.60,-146.75 | 74.41 | 2.01 | 57 |
| 10 | 09/21/2025 | 21:51:26 | -74.60, 20.65 | 105.59 | 09/21/2025 | 21:50:31 | -74.57, 20.63 | 105.61 | 3.21 | 55 |
| 11 | 09/21/2025 | 22:42:06 | 74.57,-172.10 | 74.40 | 09/21/2025 | 22:41:17 | 74.60,-172.12 | 74.44 | 3.27 | 49 |
| 12 | 09/21/2025 | 23:32:48 | -74.59, -4.72 | 105.58 | 09/21/2025 | 23:32:01 | -74.57, -4.74 | 105.58 | 1.83 | 47 |
| 13 | 09/22/2025 | 00:23:28 | 74.56, 162.52 | 74.41 | 09/22/2025 | 00:22:46 | 74.55, 162.64 | 74.41 | 3.42 | 42 |
| 14 | 09/22/2025 | 01:14:10 | -74.58, -30.10 | 105.56 | 09/22/2025 | 01:13:31 | -74.57, -30.11 | 105.56 | 0.47 | 39 |
| 15 | 09/22/2025 | 02:04:50 | 74.54, 137.15 | 74.43 | 09/22/2025 | 02:04:16 | 74.55, 137.27 | 74.43 | 3.58 | 34 |
| 16 | 09/22/2025 | 02:55:32 | -74.56, -55.48 | 105.55 | 09/22/2025 | 02:55:01 | -74.57, -55.48 | 105.53 | 0.96 | 31 |
| 17 | 09/22/2025 | 03:46:11 | 74.58, 111.90 | 74.48 | 09/22/2025 | 03:45:46 | 74.55, 111.89 | 74.46 | 3.41 | 25 |
| 18 | 09/22/2025 | 04:36:54 | -74.55, -80.86 | 105.53 | 09/22/2025 | 04:36:31 | -74.57, -80.85 | 105.51 | 2.34 | 23 |
| 19 | 09/22/2025 | 05:27:33 | 74.56, 86.52 | 74.50 | 09/22/2025 | 05:27:16 | 74.55, 86.52 | 74.48 | 2.01 | 17 |
| 20 | 09/22/2025 | 06:18:16 | -74.53,-106.23 | 105.52 | 09/22/2025 | 06:18:01 | -74.57,-106.22 | 105.48 | 3.73 | 15 |
| 21 | 09/22/2025 | 07:08:55 | 74.55, 61.14 | 74.51 | 09/22/2025 | 07:08:46 | 74.54, 61.15 | 74.51 | 0.66 | 9 |
| 22 | 09/22/2025 | 07:59:37 | -74.57,-131.48 | 105.46 | 09/22/2025 | 07:59:31 | -74.57,-131.59 | 105.46 | 3.27 | 6 |
| 23 | 09/22/2025 | 08:50:17 | 74.54, 35.76 | 74.53 | 09/22/2025 | 08:50:16 | 74.54, 35.78 | 74.54 | 0.95 | 1 |
| 24 | 09/22/2025 | 09:40:59 | -74.55,-156.86 | 105.45 | 09/22/2025 | 09:41:01 | -74.56,-156.96 | 105.43 | 3.24 | 2 |
| 25 | 09/22/2025 | 10:31:39 | 74.52, 10.39 | 74.54 | 09/22/2025 | 10:31:46 | 74.54, 10.41 | 74.56 | 2.33 | 7 |
| 26 | 09/22/2025 | 11:22:21 | -74.54, 177.76 | 105.43 | 09/22/2025 | 11:22:30 | -74.51, 177.79 | 105.46 | 3.08 | 9 |
| 27 | 09/22/2025 | 12:13:00 | 74.56, -14.86 | 74.60 | 09/22/2025 | 12:13:16 | 74.54, -14.96 | 74.59 | 3.44 | 16 |
| 28 | 09/22/2025 | 13:03:43 | -74.53, 152.39 | 105.42 | 09/22/2025 | 13:04:00 | -74.51, 152.42 | 105.43 | 1.92 | 17 |
| 29 | 09/22/2025 | 13:54:22 | 74.54, -40.24 | 74.62 | 09/22/2025 | 13:54:46 | 74.54, -40.33 | 74.61 | 2.78 | 24 |
| 30 | 09/22/2025 | 14:45:05 | -74.51, 127.01 | 105.40 | 09/22/2025 | 14:45:30 | -74.51, 127.05 | 105.41 | 1.34 | 25 |
| 31 | 09/22/2025 | 15:35:44 | 74.53, -65.62 | 74.63 | 09/22/2025 | 15:36:16 | 74.54, -65.70 | 74.64 | 2.76 | 32 |
| 32 | 09/22/2025 | 16:26:27 | -74.50, 101.63 | 105.39 | 09/22/2025 | 16:27:00 | -74.51, 101.68 | 105.38 | 1.95 | 33 |
| 33 | 09/22/2025 | 17:17:06 | 74.51, -91.00 | 74.65 | 09/22/2025 | 17:17:45 | 74.49, -90.95 | 74.61 | 3.29 | 39 |
| 34 | 09/22/2025 | 18:07:49 | -74.49, 76.25 | 105.37 | 09/22/2025 | 18:08:30 | -74.51, 76.31 | 105.36 | 3.11 | 41 |
| 35 | 09/22/2025 | 18:58:28 | 74.50,-116.37 | 74.66 | 09/22/2025 | 18:59:15 | 74.49,-116.32 | 74.64 | 2.25 | 47 |
| 36 | 09/22/2025 | 19:49:10 | -74.52, 51.00 | 105.31 | 09/22/2025 | 19:50:00 | -74.51, 50.94 | 105.33 | 2.37 | 50 |
| 37 | 09/22/2025 | 20:39:50 | 74.49,-141.75 | 74.68 | 09/22/2025 | 20:40:45 | 74.48,-141.69 | 74.66 | 1.84 | 55 |
| 38 | 09/22/2025 | 21:30:32 | -74.51, 25.63 | 105.30 | 09/22/2025 | 21:31:30 | -74.51, 25.57 | 105.31 | 1.72 | 58 |
| 39 | 09/22/2025 | 22:21:12 | 74.47,-167.13 | 74.69 | 09/22/2025 | 22:22:15 | 74.48,-167.06 | 74.69 | 2.42 | 63 |
| 40 | 09/22/2025 | 23:11:54 | -74.49, 0.25 | 105.28 | 09/22/2025 | 23:13:00 | -74.50, 0.20 | 105.28 | 2.06 | 66 |
| 41 | 09/23/2025 | 00:02:33 | 74.51, 167.62 | 74.75 | 09/23/2025 | 00:03:45 | 74.48, 167.57 | 74.71 | 3.13 | 72 |
| 42 | 09/23/2025 | 00:53:16 | -74.48, -25.13 | 105.27 | 09/23/2025 | 00:54:30 | -74.50, -25.17 | 105.26 | 3.08 | 74 |
| 43 | 09/23/2025 | 01:44:00 | 74.25, 141.62 | 74.55 | 09/23/2025 | 01:45:11 | 74.29, 142.71 | 74.52 | 33.20 | 71 |
| 44 | 09/23/2025 | 02:34:44 | -74.17, -51.25 | 105.51 | 09/23/2025 | 02:35:54 | -74.21, -49.79 | 105.55 | 44.62 | 70 |
| 45 | 09/23/2025 | 03:25:28 | 73.94, 115.51 | 74.31 | 09/23/2025 | 03:26:35 | 73.99, 118.08 | 74.23 | 79.13 | 67 |
| 46 | 09/23/2025 | 04:16:12 | -73.86, -77.35 | 105.75 | 09/23/2025 | 04:17:18 | -73.92, -74.42 | 105.85 | 90.39 | 66 |
Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 9/20/2025
Download SNOs between METOP-B and NPP since TLE EPOCH: 09/20/2025 in txt file.
Historial Predications of SNOs between METOP-B and NPP