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 | 75.18, -43.69 | 74.80 | 09/21/2025 | 14:13:59 | 75.17, -46.86 | 74.94 | 90.06 | 66 |
| 2 | 09/21/2025 | 15:05:50 | -75.06, 123.26 | 105.30 | 09/21/2025 | 15:04:41 | -75.05, 120.81 | 105.19 | 70.27 | 69 |
| 3 | 09/21/2025 | 15:56:34 | 74.83, -70.03 | 74.52 | 09/21/2025 | 15:55:22 | 74.83, -71.27 | 74.59 | 36.10 | 72 |
| 4 | 09/21/2025 | 16:47:18 | -74.75, 97.08 | 105.54 | 09/21/2025 | 16:46:05 | -74.76, 96.26 | 105.49 | 24.20 | 73 |
| 5 | 09/21/2025 | 17:38:01 | 74.58, -96.06 | 74.32 | 09/21/2025 | 17:36:47 | 74.59, -95.97 | 74.34 | 2.93 | 74 |
| 6 | 09/21/2025 | 18:28:43 | -74.60, 71.32 | 105.65 | 09/21/2025 | 18:27:32 | -74.61, 71.28 | 105.62 | 2.12 | 71 |
| 7 | 09/21/2025 | 19:19:22 | 74.61,-121.31 | 74.38 | 09/21/2025 | 19:18:17 | 74.59,-121.35 | 74.37 | 2.74 | 65 |
| 8 | 09/21/2025 | 20:10:05 | -74.58, 45.94 | 105.64 | 09/21/2025 | 20:09:02 | -74.61, 45.91 | 105.60 | 3.31 | 63 |
| 9 | 09/21/2025 | 21:00:44 | 74.60,-146.69 | 74.39 | 09/21/2025 | 20:59:47 | 74.59,-146.72 | 74.40 | 1.44 | 57 |
| 10 | 09/21/2025 | 21:51:27 | -74.57, 20.56 | 105.62 | 09/21/2025 | 21:50:31 | -74.56, 20.67 | 105.63 | 3.27 | 56 |
| 11 | 09/21/2025 | 22:42:06 | 74.58,-172.06 | 74.41 | 09/21/2025 | 22:41:17 | 74.59,-172.09 | 74.42 | 0.79 | 49 |
| 12 | 09/21/2025 | 23:32:49 | -74.55, -4.82 | 105.61 | 09/21/2025 | 23:32:01 | -74.56, -4.70 | 105.60 | 3.41 | 48 |
| 13 | 09/22/2025 | 00:23:28 | 74.57, 162.56 | 74.42 | 09/22/2025 | 00:22:47 | 74.58, 162.54 | 74.45 | 1.77 | 41 |
| 14 | 09/22/2025 | 01:14:10 | -74.59, -30.06 | 105.55 | 09/22/2025 | 01:13:31 | -74.56, -30.07 | 105.57 | 3.48 | 39 |
| 15 | 09/22/2025 | 02:04:50 | 74.56, 137.18 | 74.44 | 09/22/2025 | 02:04:17 | 74.58, 137.17 | 74.47 | 3.11 | 33 |
| 16 | 09/22/2025 | 02:55:32 | -74.58, -55.44 | 105.54 | 09/22/2025 | 02:55:01 | -74.56, -55.44 | 105.55 | 2.10 | 31 |
| 17 | 09/22/2025 | 03:46:12 | 74.54, 111.80 | 74.45 | 09/22/2025 | 03:45:46 | 74.53, 111.93 | 74.44 | 3.81 | 26 |
| 18 | 09/22/2025 | 04:36:54 | -74.56, -80.82 | 105.52 | 09/22/2025 | 04:36:31 | -74.56, -80.81 | 105.52 | 0.74 | 23 |
| 19 | 09/22/2025 | 05:27:33 | 74.58, 86.56 | 74.51 | 09/22/2025 | 05:27:17 | 74.58, 86.43 | 74.52 | 3.80 | 16 |
| 20 | 09/22/2025 | 06:18:16 | -74.55,-106.20 | 105.51 | 09/22/2025 | 06:18:01 | -74.55,-106.19 | 105.50 | 0.72 | 15 |
| 21 | 09/22/2025 | 07:08:55 | 74.56, 61.18 | 74.53 | 09/22/2025 | 07:08:46 | 74.53, 61.19 | 74.50 | 3.53 | 9 |
| 22 | 09/22/2025 | 07:59:38 | -74.53,-131.57 | 105.49 | 09/22/2025 | 07:59:31 | -74.55,-131.56 | 105.47 | 2.08 | 7 |
| 23 | 09/22/2025 | 08:50:17 | 74.55, 35.80 | 74.54 | 09/22/2025 | 08:50:16 | 74.53, 35.82 | 74.52 | 2.16 | 1 |
| 24 | 09/22/2025 | 09:41:00 | -74.52,-156.95 | 105.48 | 09/22/2025 | 09:41:01 | -74.55,-156.93 | 105.45 | 3.46 | 1 |
| 25 | 09/22/2025 | 10:31:39 | 74.53, 10.42 | 74.56 | 09/22/2025 | 10:31:46 | 74.53, 10.44 | 74.55 | 0.96 | 7 |
| 26 | 09/22/2025 | 11:22:21 | -74.56, 177.80 | 105.42 | 09/22/2025 | 11:22:31 | -74.55, 177.70 | 105.42 | 2.99 | 10 |
| 27 | 09/22/2025 | 12:13:01 | 74.52, -14.96 | 74.57 | 09/22/2025 | 12:13:16 | 74.53, -14.93 | 74.57 | 1.10 | 15 |
| 28 | 09/22/2025 | 13:03:43 | -74.54, 152.42 | 105.40 | 09/22/2025 | 13:04:01 | -74.55, 152.33 | 105.40 | 2.83 | 18 |
| 29 | 09/22/2025 | 13:54:23 | 74.51, -40.33 | 74.58 | 09/22/2025 | 13:54:46 | 74.53, -40.30 | 74.60 | 2.35 | 23 |
| 30 | 09/22/2025 | 14:45:05 | -74.53, 127.05 | 105.39 | 09/22/2025 | 14:45:31 | -74.55, 126.96 | 105.37 | 3.31 | 26 |
| 31 | 09/22/2025 | 15:35:44 | 74.54, -65.58 | 74.64 | 09/22/2025 | 15:36:16 | 74.52, -65.67 | 74.62 | 3.22 | 32 |
| 32 | 09/22/2025 | 16:26:27 | -74.51, 101.67 | 105.37 | 09/22/2025 | 16:27:00 | -74.50, 101.72 | 105.40 | 2.38 | 33 |
| 33 | 09/22/2025 | 17:17:06 | 74.53, -90.96 | 74.66 | 09/22/2025 | 17:17:46 | 74.52, -91.04 | 74.65 | 2.45 | 40 |
| 34 | 09/22/2025 | 18:07:49 | -74.50, 76.29 | 105.36 | 09/22/2025 | 18:08:30 | -74.50, 76.35 | 105.37 | 1.72 | 41 |
| 35 | 09/22/2025 | 18:58:28 | 74.51,-116.34 | 74.67 | 09/22/2025 | 18:59:16 | 74.52,-116.41 | 74.67 | 2.39 | 48 |
| 36 | 09/22/2025 | 19:49:11 | -74.49, 50.91 | 105.34 | 09/22/2025 | 19:50:00 | -74.49, 50.98 | 105.35 | 2.03 | 49 |
| 37 | 09/22/2025 | 20:39:50 | 74.50,-141.71 | 74.69 | 09/22/2025 | 20:40:46 | 74.52,-141.78 | 74.70 | 3.09 | 56 |
| 38 | 09/22/2025 | 21:30:33 | -74.47, 25.54 | 105.33 | 09/22/2025 | 21:31:30 | -74.49, 25.61 | 105.32 | 3.03 | 57 |
| 39 | 09/22/2025 | 22:21:12 | 74.49,-167.09 | 74.70 | 09/22/2025 | 22:22:15 | 74.47,-167.02 | 74.67 | 2.59 | 63 |
| 40 | 09/22/2025 | 23:11:54 | -74.51, 0.29 | 105.27 | 09/22/2025 | 23:13:00 | -74.49, 0.23 | 105.30 | 2.38 | 66 |
| 41 | 09/23/2025 | 00:02:34 | 74.47, 167.53 | 74.72 | 09/23/2025 | 00:03:45 | 74.47, 167.60 | 74.70 | 2.19 | 71 |
| 42 | 09/23/2025 | 00:53:15 | -74.49, -25.09 | 105.26 | 09/23/2025 | 00:54:29 | -74.49, -25.14 | 105.27 | 1.46 | 74 |
| 43 | 09/23/2025 | 01:43:59 | 74.26, 141.65 | 74.56 | 09/23/2025 | 01:45:10 | 74.27, 142.74 | 74.51 | 32.91 | 71 |
| 44 | 09/23/2025 | 02:34:43 | -74.19, -51.21 | 105.49 | 09/23/2025 | 02:35:54 | -74.25, -49.87 | 105.51 | 41.06 | 71 |
| 45 | 09/23/2025 | 03:25:28 | 73.90, 115.43 | 74.28 | 09/23/2025 | 03:26:34 | 73.98, 118.11 | 74.21 | 83.09 | 66 |
| 46 | 09/23/2025 | 04:16:11 | -73.88, -77.31 | 105.73 | 09/23/2025 | 04:17:17 | -73.90, -74.39 | 105.86 | 90.17 | 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