Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NPP and METOP-C Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/17/2025
| Index | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Date (METOP-C) | Time (METOP-C) | Lat,Lon (METOP-C) | SZA (METOP-C ) | Distance(km) | Time Diff (sec) |
| 1 | 10/17/2025 | 04:17:32 | 72.92, 107.79 | 82.20 | 10/17/2025 | 04:18:44 | 72.91, 107.86 | 82.18 | 2.59 | 72 |
| 2 | 10/17/2025 | 05:08:16 | -72.90, -84.86 | 97.81 | 10/17/2025 | 05:09:26 | -72.88, -84.87 | 97.83 | 2.11 | 70 |
| 3 | 10/17/2025 | 05:59:00 | 72.87, 82.52 | 82.18 | 10/17/2025 | 06:00:05 | 72.89, 82.48 | 82.19 | 2.45 | 65 |
| 4 | 10/17/2025 | 06:49:45 | -72.90,-110.24 | 97.78 | 10/17/2025 | 06:50:46 | -72.92,-110.14 | 97.78 | 3.50 | 61 |
| 5 | 10/17/2025 | 07:40:30 | 72.87, 57.14 | 82.20 | 10/17/2025 | 07:41:27 | 72.87, 57.10 | 82.20 | 1.49 | 57 |
| 6 | 10/17/2025 | 08:31:15 | -72.91,-135.61 | 97.75 | 10/17/2025 | 08:32:08 | -72.90,-135.52 | 97.77 | 3.29 | 53 |
| 7 | 10/17/2025 | 09:22:00 | 72.87, 31.77 | 82.23 | 10/17/2025 | 09:22:49 | 72.85, 31.72 | 82.20 | 2.87 | 49 |
| 8 | 10/17/2025 | 10:12:44 | -72.86,-160.88 | 97.78 | 10/17/2025 | 10:13:30 | -72.88,-160.90 | 97.76 | 2.59 | 46 |
| 9 | 10/17/2025 | 11:03:30 | 72.88, 6.39 | 82.26 | 10/17/2025 | 11:04:10 | 72.88, 6.45 | 82.26 | 2.15 | 40 |
| 10 | 10/17/2025 | 11:54:14 | -72.86, 173.74 | 97.75 | 10/17/2025 | 11:54:52 | -72.86, 173.73 | 97.75 | 0.56 | 38 |
| 11 | 10/17/2025 | 12:45:00 | 72.88, -18.99 | 82.28 | 10/17/2025 | 12:45:32 | 72.87, -18.93 | 82.27 | 2.20 | 32 |
| 12 | 10/17/2025 | 13:35:44 | -72.86, 148.36 | 97.73 | 10/17/2025 | 13:36:14 | -72.84, 148.35 | 97.74 | 1.87 | 30 |
| 13 | 10/17/2025 | 14:26:29 | 72.83, -44.26 | 82.26 | 10/17/2025 | 14:26:54 | 72.85, -44.31 | 82.28 | 2.80 | 25 |
| 14 | 10/17/2025 | 15:17:14 | -72.86, 122.98 | 97.70 | 10/17/2025 | 15:17:35 | -72.88, 123.08 | 97.69 | 3.38 | 21 |
| 15 | 10/17/2025 | 16:07:59 | 72.83, -69.64 | 82.28 | 10/17/2025 | 16:08:16 | 72.83, -69.69 | 82.28 | 1.79 | 17 |
| 16 | 10/17/2025 | 16:58:44 | -72.86, 97.61 | 97.67 | 10/17/2025 | 16:58:57 | -72.86, 97.70 | 97.68 | 2.98 | 13 |
| 17 | 10/17/2025 | 17:49:29 | 72.83, -95.01 | 82.31 | 10/17/2025 | 17:49:38 | 72.81, -95.07 | 82.29 | 2.90 | 9 |
| 18 | 10/17/2025 | 18:40:13 | -72.81, 72.34 | 97.70 | 10/17/2025 | 18:40:19 | -72.84, 72.32 | 97.67 | 2.90 | 6 |
| 19 | 10/17/2025 | 19:30:59 | 72.83,-120.39 | 82.34 | 10/17/2025 | 19:30:59 | 72.84,-120.34 | 82.35 | 1.98 | 0 |
| 20 | 10/17/2025 | 20:21:43 | -72.81, 46.96 | 97.67 | 10/17/2025 | 20:21:41 | -72.82, 46.94 | 97.67 | 0.91 | 2 |
| 21 | 10/17/2025 | 21:12:29 | 72.83,-145.77 | 82.37 | 10/17/2025 | 21:12:21 | 72.82,-145.72 | 82.36 | 1.85 | 8 |
| 22 | 10/17/2025 | 22:03:13 | -72.82, 21.58 | 97.64 | 10/17/2025 | 22:03:03 | -72.80, 21.56 | 97.66 | 1.71 | 10 |
| 23 | 10/17/2025 | 22:53:58 | 72.78,-171.04 | 82.34 | 10/17/2025 | 22:53:43 | 72.80,-171.10 | 82.36 | 3.11 | 15 |
| 24 | 10/17/2025 | 23:44:43 | -72.82, -3.80 | 97.62 | 10/17/2025 | 23:44:24 | -72.83, -3.71 | 97.60 | 3.30 | 19 |
| 25 | 10/18/2025 | 00:35:28 | 72.78, 163.58 | 82.37 | 10/18/2025 | 00:35:05 | 72.79, 163.52 | 82.37 | 2.08 | 23 |
| 26 | 10/18/2025 | 01:26:13 | -72.82, -29.17 | 97.59 | 10/18/2025 | 01:25:46 | -72.82, -29.09 | 97.59 | 2.71 | 27 |
| 27 | 10/18/2025 | 02:16:58 | 72.79, 138.21 | 82.39 | 10/18/2025 | 02:16:27 | 72.77, 138.14 | 82.38 | 2.98 | 31 |
| 28 | 10/18/2025 | 03:07:42 | -72.77, -54.44 | 97.62 | 10/18/2025 | 03:07:08 | -72.80, -54.47 | 97.59 | 3.17 | 34 |
| 29 | 10/18/2025 | 03:58:28 | 72.79, 112.83 | 82.42 | 10/18/2025 | 03:57:48 | 72.80, 112.87 | 82.43 | 1.87 | 40 |
| 30 | 10/18/2025 | 04:49:12 | -72.77, -79.82 | 97.59 | 10/18/2025 | 04:48:30 | -72.78, -79.85 | 97.58 | 1.22 | 42 |
| 31 | 10/18/2025 | 05:39:58 | 72.79, 87.45 | 82.45 | 10/18/2025 | 05:39:10 | 72.78, 87.49 | 82.44 | 1.54 | 48 |
| 32 | 10/18/2025 | 06:30:42 | -72.77,-105.20 | 97.56 | 10/18/2025 | 06:29:52 | -72.76,-105.23 | 97.57 | 1.63 | 50 |
| 33 | 10/18/2025 | 07:21:28 | 72.79, 62.07 | 82.47 | 10/18/2025 | 07:20:32 | 72.76, 62.11 | 82.45 | 3.36 | 56 |
| 34 | 10/18/2025 | 08:12:12 | -72.77,-130.58 | 97.54 | 10/18/2025 | 08:11:13 | -72.79,-130.50 | 97.51 | 3.26 | 59 |
| 35 | 10/18/2025 | 09:02:57 | 72.74, 36.80 | 82.45 | 10/18/2025 | 09:01:54 | 72.74, 36.73 | 82.46 | 2.35 | 63 |
| 36 | 10/18/2025 | 09:53:42 | -72.77,-155.95 | 97.51 | 10/18/2025 | 09:52:35 | -72.77,-155.88 | 97.51 | 2.48 | 67 |
| 37 | 10/18/2025 | 10:44:27 | 72.74, 11.43 | 82.48 | 10/18/2025 | 10:43:16 | 72.72, 11.35 | 82.46 | 3.09 | 71 |
| 38 | 10/18/2025 | 11:35:12 | -72.78, 178.67 | 97.48 | 10/18/2025 | 11:33:57 | -72.76, 178.74 | 97.50 | 3.39 | 75 |
| 39 | 10/18/2025 | 12:25:53 | 72.54, -13.53 | 82.29 | 10/18/2025 | 12:24:41 | 72.55, -14.34 | 82.33 | 26.82 | 72 |
| 40 | 10/18/2025 | 13:16:36 | -72.47, 153.92 | 97.77 | 10/18/2025 | 13:15:24 | -72.48, 152.85 | 97.73 | 35.72 | 72 |
| 41 | 10/18/2025 | 14:07:17 | 72.24, -38.30 | 82.00 | 10/18/2025 | 14:06:08 | 72.28, -40.22 | 82.09 | 65.29 | 69 |
| 42 | 10/18/2025 | 14:58:00 | -72.17, 129.14 | 98.06 | 10/18/2025 | 14:56:52 | -72.16, 126.87 | 98.02 | 77.35 | 68 |
Figure of NPP and METOP-C satellite orbits during SNOs since TLE Epoch: 10/17/2025
Download SNOs between NPP and METOP-C since TLE EPOCH: 10/17/2025 in txt file.
Historial Predications of SNOs between NPP and METOP-C