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: 9/15/2025
| 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 | 75.18, -43.83 | 74.80 | 09/21/2025 | 14:13:59 | 75.16, -46.85 | 74.94 | 85.81 | 67 |
| 2 | 09/21/2025 | 15:05:50 | -75.10, 123.27 | 105.26 | 09/21/2025 | 15:04:42 | -75.08, 120.70 | 105.15 | 73.42 | 68 |
| 3 | 09/21/2025 | 15:56:34 | 74.88, -70.03 | 74.56 | 09/21/2025 | 15:55:23 | 74.88, -71.39 | 74.64 | 39.55 | 71 |
| 4 | 09/21/2025 | 16:47:19 | -74.75, 96.95 | 105.54 | 09/21/2025 | 16:46:06 | -74.80, 96.15 | 105.44 | 24.06 | 73 |
| 5 | 09/21/2025 | 17:38:01 | 74.62, -96.06 | 74.37 | 09/21/2025 | 17:36:48 | 74.63, -96.09 | 74.39 | 1.65 | 73 |
| 6 | 09/21/2025 | 18:28:44 | -74.59, 71.19 | 105.65 | 09/21/2025 | 18:27:32 | -74.60, 71.30 | 105.63 | 3.56 | 72 |
| 7 | 09/21/2025 | 19:19:23 | 74.61,-121.44 | 74.38 | 09/21/2025 | 19:18:18 | 74.63,-121.46 | 74.42 | 2.81 | 65 |
| 8 | 09/21/2025 | 20:10:05 | -74.63, 45.94 | 105.59 | 09/21/2025 | 20:09:02 | -74.60, 45.93 | 105.61 | 3.06 | 63 |
| 9 | 09/21/2025 | 21:00:45 | 74.60,-146.81 | 74.40 | 09/21/2025 | 20:59:47 | 74.58,-146.70 | 74.39 | 3.50 | 58 |
| 10 | 09/21/2025 | 21:51:27 | -74.62, 20.56 | 105.58 | 09/21/2025 | 21:50:32 | -74.60, 20.56 | 105.58 | 1.73 | 55 |
| 11 | 09/21/2025 | 22:42:07 | 74.58,-172.19 | 74.41 | 09/21/2025 | 22:41:17 | 74.58,-172.08 | 74.42 | 3.41 | 50 |
| 12 | 09/21/2025 | 23:32:49 | -74.60, -4.81 | 105.56 | 09/21/2025 | 23:32:02 | -74.60, -4.81 | 105.56 | 0.42 | 47 |
| 13 | 09/22/2025 | 00:23:29 | 74.57, 162.43 | 74.43 | 09/22/2025 | 00:22:47 | 74.58, 162.55 | 74.44 | 3.84 | 42 |
| 14 | 09/22/2025 | 01:14:11 | -74.59, -30.19 | 105.55 | 09/22/2025 | 01:13:32 | -74.60, -30.18 | 105.53 | 0.97 | 39 |
| 15 | 09/22/2025 | 02:04:50 | 74.60, 137.18 | 74.49 | 09/22/2025 | 02:04:17 | 74.58, 137.18 | 74.47 | 2.69 | 33 |
| 16 | 09/22/2025 | 02:55:33 | -74.58, -55.57 | 105.53 | 09/22/2025 | 02:55:02 | -74.60, -55.55 | 105.50 | 2.31 | 31 |
| 17 | 09/22/2025 | 03:46:12 | 74.59, 111.81 | 74.50 | 09/22/2025 | 03:45:47 | 74.58, 111.81 | 74.49 | 1.33 | 25 |
| 18 | 09/22/2025 | 04:36:55 | -74.56, -80.94 | 105.51 | 09/22/2025 | 04:36:32 | -74.60, -80.92 | 105.48 | 3.65 | 23 |
| 19 | 09/22/2025 | 05:27:34 | 74.58, 86.43 | 74.52 | 09/22/2025 | 05:27:17 | 74.58, 86.44 | 74.52 | 0.28 | 17 |
| 20 | 09/22/2025 | 06:18:16 | -74.60,-106.19 | 105.46 | 09/22/2025 | 06:18:02 | -74.59,-106.29 | 105.45 | 3.04 | 14 |
| 21 | 09/22/2025 | 07:08:56 | 74.56, 61.05 | 74.53 | 09/22/2025 | 07:08:47 | 74.58, 61.07 | 74.55 | 1.47 | 9 |
| 22 | 09/22/2025 | 07:59:38 | -74.58,-131.57 | 105.44 | 09/22/2025 | 07:59:32 | -74.59,-131.66 | 105.43 | 2.96 | 6 |
| 23 | 09/22/2025 | 08:50:18 | 74.55, 35.68 | 74.55 | 09/22/2025 | 08:50:17 | 74.57, 35.70 | 74.57 | 2.84 | 1 |
| 24 | 09/22/2025 | 09:41:00 | -74.57,-156.94 | 105.43 | 09/22/2025 | 09:41:01 | -74.54,-156.90 | 105.46 | 3.38 | 1 |
| 25 | 09/22/2025 | 10:31:39 | 74.58, 10.43 | 74.60 | 09/22/2025 | 10:31:47 | 74.57, 10.33 | 74.60 | 3.29 | 8 |
| 26 | 09/22/2025 | 11:22:22 | -74.56, 177.68 | 105.41 | 09/22/2025 | 11:22:31 | -74.54, 177.73 | 105.43 | 2.27 | 9 |
| 27 | 09/22/2025 | 12:13:01 | 74.57, -14.95 | 74.62 | 09/22/2025 | 12:13:17 | 74.57, -15.05 | 74.62 | 2.85 | 16 |
| 28 | 09/22/2025 | 13:03:44 | -74.54, 152.30 | 105.40 | 09/22/2025 | 13:04:01 | -74.54, 152.35 | 105.41 | 1.57 | 17 |
| 29 | 09/22/2025 | 13:54:23 | 74.56, -40.33 | 74.64 | 09/22/2025 | 13:54:47 | 74.57, -40.42 | 74.65 | 3.05 | 24 |
| 30 | 09/22/2025 | 14:45:06 | -74.53, 126.93 | 105.38 | 09/22/2025 | 14:45:31 | -74.54, 126.98 | 105.38 | 1.85 | 25 |
| 31 | 09/22/2025 | 15:35:45 | 74.54, -65.70 | 74.65 | 09/22/2025 | 15:36:16 | 74.52, -65.66 | 74.62 | 2.91 | 31 |
| 32 | 09/22/2025 | 16:26:28 | -74.52, 101.55 | 105.36 | 09/22/2025 | 16:27:01 | -74.54, 101.61 | 105.35 | 2.83 | 33 |
| 33 | 09/22/2025 | 17:17:07 | 74.53, -91.08 | 74.67 | 09/22/2025 | 17:17:46 | 74.52, -91.03 | 74.64 | 1.92 | 39 |
| 34 | 09/22/2025 | 18:07:48 | -74.55, 76.30 | 105.31 | 09/22/2025 | 18:08:30 | -74.54, 76.24 | 105.33 | 2.62 | 42 |
| 35 | 09/22/2025 | 18:58:28 | 74.52,-116.46 | 74.68 | 09/22/2025 | 18:59:15 | 74.52,-116.40 | 74.67 | 1.66 | 47 |
| 36 | 09/22/2025 | 19:49:10 | -74.54, 50.93 | 105.29 | 09/22/2025 | 19:50:00 | -74.53, 50.87 | 105.30 | 1.74 | 50 |
| 37 | 09/22/2025 | 20:39:50 | 74.50,-141.83 | 74.70 | 09/22/2025 | 20:40:45 | 74.52,-141.77 | 74.70 | 2.36 | 55 |
| 38 | 09/22/2025 | 21:30:32 | -74.53, 25.55 | 105.28 | 09/22/2025 | 21:31:30 | -74.53, 25.50 | 105.28 | 1.68 | 58 |
| 39 | 09/22/2025 | 22:21:11 | 74.54,-167.08 | 74.75 | 09/22/2025 | 22:22:15 | 74.52,-167.14 | 74.72 | 3.13 | 64 |
| 40 | 09/22/2025 | 23:11:54 | -74.51, 0.17 | 105.26 | 09/22/2025 | 23:13:00 | -74.53, 0.13 | 105.25 | 2.51 | 66 |
| 41 | 09/23/2025 | 00:02:33 | 74.52, 167.54 | 74.77 | 09/23/2025 | 00:03:45 | 74.51, 167.49 | 74.75 | 2.03 | 72 |
| 42 | 09/23/2025 | 00:53:16 | -74.50, -25.20 | 105.25 | 09/23/2025 | 00:54:29 | -74.48, -25.11 | 105.28 | 3.26 | 73 |
| 43 | 09/23/2025 | 01:44:00 | 74.27, 141.54 | 74.57 | 09/23/2025 | 01:45:11 | 74.32, 142.63 | 74.56 | 33.32 | 71 |
| 44 | 09/23/2025 | 02:34:44 | -74.19, -51.32 | 105.48 | 09/23/2025 | 02:35:54 | -74.24, -49.85 | 105.52 | 44.86 | 70 |
| 45 | 09/23/2025 | 03:25:28 | 73.95, 115.43 | 74.33 | 09/23/2025 | 03:26:35 | 74.02, 118.00 | 74.26 | 79.12 | 67 |
| 46 | 09/23/2025 | 04:16:12 | -73.88, -77.42 | 105.72 | 09/23/2025 | 04:17:18 | -73.94, -74.49 | 105.82 | 90.58 | 66 |
Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 9/15/2025
Download SNOs between METOP-B and NPP since TLE EPOCH: 09/15/2025 in txt file.
Historial Predications of SNOs between METOP-B and NPP