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: 9/17/2025
| 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, -43.77 | 74.77 | 09/21/2025 | 14:13:59 | 75.15, -46.80 | 74.92 | 86.20 | 67 |
| 2 | 09/21/2025 | 15:05:50 | -75.08, 123.33 | 105.28 | 09/21/2025 | 15:04:42 | -75.07, 120.74 | 105.16 | 74.09 | 68 |
| 3 | 09/21/2025 | 15:56:34 | 74.85, -69.97 | 74.53 | 09/21/2025 | 15:55:23 | 74.86, -71.34 | 74.62 | 39.94 | 71 |
| 4 | 09/21/2025 | 16:47:18 | -74.78, 97.14 | 105.52 | 09/21/2025 | 16:46:05 | -74.74, 96.32 | 105.51 | 24.62 | 73 |
| 5 | 09/21/2025 | 17:38:01 | 74.60, -96.01 | 74.34 | 09/21/2025 | 17:36:48 | 74.62, -96.05 | 74.38 | 2.80 | 73 |
| 6 | 09/21/2025 | 18:28:43 | -74.62, 71.38 | 105.63 | 09/21/2025 | 18:27:32 | -74.59, 71.34 | 105.65 | 3.31 | 71 |
| 7 | 09/21/2025 | 19:19:23 | 74.58,-121.38 | 74.35 | 09/21/2025 | 19:18:17 | 74.57,-121.29 | 74.35 | 3.13 | 66 |
| 8 | 09/21/2025 | 20:10:05 | -74.60, 46.00 | 105.62 | 09/21/2025 | 20:09:02 | -74.59, 45.97 | 105.62 | 1.98 | 63 |
| 9 | 09/21/2025 | 21:00:45 | 74.57,-146.76 | 74.37 | 09/21/2025 | 20:59:47 | 74.57,-146.66 | 74.37 | 2.93 | 58 |
| 10 | 09/21/2025 | 21:51:27 | -74.59, 20.62 | 105.60 | 09/21/2025 | 21:50:32 | -74.59, 20.60 | 105.60 | 0.79 | 55 |
| 11 | 09/21/2025 | 22:42:07 | 74.55,-172.14 | 74.38 | 09/21/2025 | 22:41:17 | 74.57,-172.03 | 74.40 | 3.36 | 50 |
| 12 | 09/21/2025 | 23:32:49 | -74.58, -4.76 | 105.59 | 09/21/2025 | 23:32:02 | -74.59, -4.77 | 105.57 | 1.05 | 47 |
| 13 | 09/22/2025 | 00:23:28 | 74.59, 162.61 | 74.44 | 09/22/2025 | 00:22:47 | 74.56, 162.60 | 74.42 | 2.82 | 41 |
| 14 | 09/22/2025 | 01:14:11 | -74.56, -30.13 | 105.57 | 09/22/2025 | 01:13:32 | -74.58, -30.14 | 105.55 | 2.31 | 39 |
| 15 | 09/22/2025 | 02:04:50 | 74.58, 137.24 | 74.46 | 09/22/2025 | 02:04:17 | 74.56, 137.23 | 74.45 | 1.42 | 33 |
| 16 | 09/22/2025 | 02:55:33 | -74.55, -55.51 | 105.56 | 09/22/2025 | 02:55:02 | -74.58, -55.51 | 105.52 | 3.66 | 31 |
| 17 | 09/22/2025 | 03:46:11 | 74.56, 111.86 | 74.47 | 09/22/2025 | 03:45:46 | 74.56, 111.85 | 74.48 | 0.11 | 25 |
| 18 | 09/22/2025 | 04:36:53 | -74.58, -80.76 | 105.50 | 09/22/2025 | 04:36:31 | -74.58, -80.88 | 105.49 | 3.71 | 22 |
| 19 | 09/22/2025 | 05:27:33 | 74.55, 86.48 | 74.49 | 09/22/2025 | 05:27:16 | 74.56, 86.48 | 74.50 | 1.40 | 17 |
| 20 | 09/22/2025 | 06:18:15 | -74.57,-106.14 | 105.49 | 09/22/2025 | 06:18:01 | -74.58,-106.25 | 105.47 | 3.64 | 14 |
| 21 | 09/22/2025 | 07:08:55 | 74.53, 61.10 | 74.50 | 09/22/2025 | 07:08:46 | 74.56, 61.11 | 74.53 | 2.81 | 9 |
| 22 | 09/22/2025 | 07:59:37 | -74.56,-131.51 | 105.47 | 09/22/2025 | 07:59:30 | -74.53,-131.49 | 105.50 | 3.06 | 7 |
| 23 | 09/22/2025 | 08:50:16 | 74.57, 35.85 | 74.56 | 09/22/2025 | 08:50:16 | 74.56, 35.74 | 74.55 | 3.56 | 0 |
| 24 | 09/22/2025 | 09:40:59 | -74.54,-156.89 | 105.46 | 09/22/2025 | 09:41:00 | -74.53,-156.87 | 105.47 | 1.80 | 1 |
| 25 | 09/22/2025 | 10:31:38 | 74.55, 10.48 | 74.57 | 09/22/2025 | 10:31:46 | 74.56, 10.37 | 74.58 | 3.16 | 8 |
| 26 | 09/22/2025 | 11:22:21 | -74.53, 177.73 | 105.44 | 09/22/2025 | 11:22:30 | -74.53, 177.76 | 105.45 | 0.94 | 9 |
| 27 | 09/22/2025 | 12:13:00 | 74.54, -14.90 | 74.59 | 09/22/2025 | 12:13:16 | 74.55, -15.00 | 74.60 | 3.35 | 16 |
| 28 | 09/22/2025 | 13:03:43 | -74.52, 152.36 | 105.43 | 09/22/2025 | 13:04:00 | -74.53, 152.39 | 105.42 | 1.53 | 17 |
| 29 | 09/22/2025 | 13:54:22 | 74.53, -40.28 | 74.60 | 09/22/2025 | 13:54:45 | 74.50, -40.24 | 74.57 | 2.66 | 23 |
| 30 | 09/22/2025 | 14:45:05 | -74.50, 126.98 | 105.41 | 09/22/2025 | 14:45:30 | -74.52, 127.02 | 105.40 | 2.76 | 25 |
| 31 | 09/22/2025 | 15:35:44 | 74.51, -65.66 | 74.62 | 09/22/2025 | 15:36:15 | 74.50, -65.61 | 74.60 | 1.63 | 31 |
| 32 | 09/22/2025 | 16:26:26 | -74.54, 101.73 | 105.35 | 09/22/2025 | 16:27:00 | -74.52, 101.65 | 105.37 | 2.83 | 34 |
| 33 | 09/22/2025 | 17:17:06 | 74.50, -91.03 | 74.63 | 09/22/2025 | 17:17:45 | 74.50, -90.98 | 74.63 | 1.49 | 39 |
| 34 | 09/22/2025 | 18:07:48 | -74.52, 76.35 | 105.34 | 09/22/2025 | 18:08:30 | -74.52, 76.28 | 105.35 | 2.17 | 42 |
| 35 | 09/22/2025 | 18:58:28 | 74.48,-116.41 | 74.65 | 09/22/2025 | 18:59:15 | 74.50,-116.35 | 74.65 | 2.41 | 47 |
| 36 | 09/22/2025 | 19:49:10 | -74.51, 50.98 | 105.32 | 09/22/2025 | 19:50:00 | -74.52, 50.91 | 105.32 | 2.29 | 50 |
| 37 | 09/22/2025 | 20:39:49 | 74.52,-141.66 | 74.70 | 09/22/2025 | 20:40:45 | 74.50,-141.73 | 74.68 | 3.00 | 56 |
| 38 | 09/22/2025 | 21:30:32 | -74.49, 25.60 | 105.31 | 09/22/2025 | 21:31:30 | -74.52, 25.54 | 105.29 | 3.10 | 58 |
| 39 | 09/22/2025 | 22:21:11 | 74.51,-167.04 | 74.72 | 09/22/2025 | 22:22:15 | 74.50,-167.10 | 74.70 | 1.99 | 64 |
| 40 | 09/22/2025 | 23:11:54 | -74.48, 0.22 | 105.29 | 09/22/2025 | 23:12:59 | -74.47, 0.30 | 105.32 | 2.65 | 65 |
| 41 | 09/23/2025 | 00:02:33 | 74.49, 167.59 | 74.73 | 09/23/2025 | 00:03:45 | 74.50, 167.53 | 74.73 | 1.70 | 72 |
| 42 | 09/23/2025 | 00:53:16 | -74.47, -25.15 | 105.28 | 09/23/2025 | 00:54:29 | -74.47, -25.07 | 105.30 | 2.39 | 73 |
| 43 | 09/23/2025 | 01:44:00 | 74.23, 141.58 | 74.54 | 09/23/2025 | 01:45:11 | 74.30, 142.67 | 74.54 | 33.75 | 71 |
| 44 | 09/23/2025 | 02:34:44 | -74.16, -51.28 | 105.52 | 09/23/2025 | 02:35:54 | -74.22, -49.81 | 105.54 | 44.86 | 70 |
| 45 | 09/23/2025 | 03:25:28 | 73.92, 115.48 | 74.30 | 09/23/2025 | 03:26:34 | 73.96, 118.16 | 74.19 | 82.80 | 66 |
| 46 | 09/23/2025 | 04:16:12 | -73.85, -77.37 | 105.75 | 09/23/2025 | 04:17:18 | -73.93, -74.45 | 105.84 | 90.51 | 66 |
Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 9/17/2025
Download SNOs between METOP-B and NPP since TLE EPOCH: 09/17/2025 in txt file.
Historial Predications of SNOs between METOP-B and NPP