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: 10/11/2025
| 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 | 00:54:42 | 73.45, 157.36 | 82.71 | 10/17/2025 | 00:55:50 | 73.42, 159.65 | 82.62 | 72.68 | 68 |
| 2 | 10/17/2025 | 01:45:24 | -73.33, -35.04 | 97.41 | 10/17/2025 | 01:46:34 | -73.30, -33.29 | 97.49 | 56.04 | 70 |
| 3 | 10/17/2025 | 02:36:06 | 73.16, 132.66 | 82.42 | 10/17/2025 | 02:37:18 | 73.10, 133.60 | 82.34 | 31.15 | 72 |
| 4 | 10/17/2025 | 03:26:49 | -73.08, -59.86 | 97.65 | 10/17/2025 | 03:28:01 | -73.03, -59.22 | 97.72 | 21.77 | 72 |
| 5 | 10/17/2025 | 04:17:31 | 72.90, 107.83 | 82.18 | 10/17/2025 | 04:18:43 | 72.93, 107.90 | 82.20 | 3.31 | 72 |
| 6 | 10/17/2025 | 05:08:15 | -72.88, -84.81 | 97.83 | 10/17/2025 | 05:09:25 | -72.91, -84.81 | 97.81 | 3.16 | 70 |
| 7 | 10/17/2025 | 05:59:01 | 72.91, 82.45 | 82.21 | 10/17/2025 | 06:00:05 | 72.91, 82.52 | 82.21 | 2.26 | 64 |
| 8 | 10/17/2025 | 06:49:45 | -72.88,-110.19 | 97.81 | 10/17/2025 | 06:50:47 | -72.89,-110.19 | 97.80 | 1.01 | 62 |
| 9 | 10/17/2025 | 07:40:31 | 72.91, 57.07 | 82.24 | 10/17/2025 | 07:41:27 | 72.89, 57.14 | 82.21 | 2.96 | 56 |
| 10 | 10/17/2025 | 08:31:15 | -72.88,-135.56 | 97.78 | 10/17/2025 | 08:32:09 | -72.87,-135.57 | 97.79 | 1.16 | 54 |
| 11 | 10/17/2025 | 09:22:00 | 72.86, 31.80 | 82.21 | 10/17/2025 | 09:22:49 | 72.87, 31.76 | 82.22 | 2.00 | 49 |
| 12 | 10/17/2025 | 10:12:45 | -72.88,-160.94 | 97.75 | 10/17/2025 | 10:13:31 | -72.85,-160.95 | 97.79 | 3.32 | 46 |
| 13 | 10/17/2025 | 11:03:30 | 72.86, 6.43 | 82.24 | 10/17/2025 | 11:04:11 | 72.85, 6.38 | 82.23 | 1.62 | 41 |
| 14 | 10/17/2025 | 11:54:15 | -72.89, 173.68 | 97.72 | 10/17/2025 | 11:54:52 | -72.89, 173.78 | 97.73 | 3.23 | 37 |
| 15 | 10/17/2025 | 12:45:00 | 72.86, -18.95 | 82.27 | 10/17/2025 | 12:45:33 | 72.83, -19.00 | 82.24 | 3.29 | 33 |
| 16 | 10/17/2025 | 13:35:44 | -72.84, 148.41 | 97.75 | 10/17/2025 | 13:36:14 | -72.87, 148.40 | 97.72 | 3.59 | 30 |
| 17 | 10/17/2025 | 14:26:30 | 72.86, -44.33 | 82.29 | 10/17/2025 | 14:26:54 | 72.87, -44.27 | 82.29 | 2.00 | 24 |
| 18 | 10/17/2025 | 15:17:14 | -72.84, 123.04 | 97.72 | 10/17/2025 | 15:17:36 | -72.85, 123.02 | 97.71 | 1.46 | 22 |
| 19 | 10/17/2025 | 16:08:00 | 72.86, -69.71 | 82.32 | 10/17/2025 | 16:08:16 | 72.85, -69.65 | 82.30 | 2.51 | 16 |
| 20 | 10/17/2025 | 16:58:44 | -72.84, 97.66 | 97.70 | 10/17/2025 | 16:58:58 | -72.83, 97.65 | 97.70 | 0.85 | 14 |
| 21 | 10/17/2025 | 17:49:29 | 72.81, -94.98 | 82.29 | 10/17/2025 | 17:49:38 | 72.83, -95.03 | 82.31 | 2.44 | 9 |
| 22 | 10/17/2025 | 18:40:14 | -72.84, 72.28 | 97.67 | 10/17/2025 | 18:40:20 | -72.81, 72.27 | 97.70 | 2.95 | 6 |
| 23 | 10/17/2025 | 19:30:59 | 72.81,-120.35 | 82.32 | 10/17/2025 | 19:31:00 | 72.81,-120.41 | 82.32 | 1.79 | 1 |
| 24 | 10/17/2025 | 20:21:44 | -72.84, 46.90 | 97.64 | 10/17/2025 | 20:21:41 | -72.85, 47.00 | 97.64 | 3.03 | 3 |
| 25 | 10/17/2025 | 21:12:29 | 72.82,-145.73 | 82.35 | 10/17/2025 | 21:12:22 | 72.79,-145.78 | 82.33 | 3.17 | 7 |
| 26 | 10/17/2025 | 22:03:14 | -72.84, 21.53 | 97.62 | 10/17/2025 | 22:03:03 | -72.83, 21.62 | 97.63 | 3.36 | 11 |
| 27 | 10/17/2025 | 22:53:59 | 72.82,-171.11 | 82.37 | 10/17/2025 | 22:53:43 | 72.82,-171.06 | 82.38 | 1.84 | 16 |
| 28 | 10/17/2025 | 23:44:43 | -72.79, -3.74 | 97.64 | 10/17/2025 | 23:44:25 | -72.81, -3.76 | 97.62 | 1.89 | 18 |
| 29 | 10/18/2025 | 00:35:29 | 72.82, 163.52 | 82.40 | 10/18/2025 | 00:35:05 | 72.81, 163.56 | 82.39 | 2.09 | 24 |
| 30 | 10/18/2025 | 01:26:13 | -72.79, -29.12 | 97.62 | 10/18/2025 | 01:25:47 | -72.79, -29.14 | 97.62 | 0.72 | 26 |
| 31 | 10/18/2025 | 02:16:58 | 72.77, 138.24 | 82.38 | 10/18/2025 | 02:16:27 | 72.79, 138.19 | 82.40 | 2.85 | 31 |
| 32 | 10/18/2025 | 03:07:43 | -72.80, -54.50 | 97.59 | 10/18/2025 | 03:07:09 | -72.77, -54.52 | 97.61 | 2.63 | 34 |
| 33 | 10/18/2025 | 03:58:28 | 72.77, 112.87 | 82.40 | 10/18/2025 | 03:57:49 | 72.77, 112.81 | 82.41 | 2.01 | 39 |
| 34 | 10/18/2025 | 04:49:13 | -72.80, -79.87 | 97.56 | 10/18/2025 | 04:48:30 | -72.81, -79.79 | 97.55 | 2.91 | 43 |
| 35 | 10/18/2025 | 05:39:58 | 72.77, 87.49 | 82.43 | 10/18/2025 | 05:39:11 | 72.75, 87.43 | 82.41 | 3.11 | 47 |
| 36 | 10/18/2025 | 06:30:43 | -72.80,-105.25 | 97.54 | 10/18/2025 | 06:29:52 | -72.79,-105.17 | 97.54 | 3.01 | 51 |
| 37 | 10/18/2025 | 07:21:28 | 72.77, 62.11 | 82.46 | 10/18/2025 | 07:20:32 | 72.78, 62.16 | 82.47 | 1.77 | 56 |
| 38 | 10/18/2025 | 08:12:12 | -72.75,-130.52 | 97.56 | 10/18/2025 | 08:11:14 | -72.77,-130.55 | 97.54 | 2.29 | 58 |
| 39 | 10/18/2025 | 09:02:58 | 72.77, 36.74 | 82.48 | 10/18/2025 | 09:01:54 | 72.76, 36.78 | 82.48 | 1.72 | 64 |
| 40 | 10/18/2025 | 09:53:42 | -72.75,-155.90 | 97.53 | 10/18/2025 | 09:52:36 | -72.75,-155.92 | 97.53 | 0.82 | 66 |
| 41 | 10/18/2025 | 10:44:27 | 72.72, 11.47 | 82.46 | 10/18/2025 | 10:43:16 | 72.75, 11.40 | 82.48 | 3.21 | 71 |
| 42 | 10/18/2025 | 11:35:12 | -72.75, 178.72 | 97.51 | 10/18/2025 | 11:33:58 | -72.73, 178.70 | 97.52 | 2.37 | 74 |
| 43 | 10/18/2025 | 12:25:54 | 72.57, -13.60 | 82.33 | 10/18/2025 | 12:24:41 | 72.57, -14.29 | 82.35 | 23.13 | 73 |
| 44 | 10/18/2025 | 13:16:37 | -72.50, 153.87 | 97.74 | 10/18/2025 | 13:15:25 | -72.46, 152.80 | 97.76 | 35.82 | 72 |
| 45 | 10/18/2025 | 14:07:18 | 72.27, -38.36 | 82.04 | 10/18/2025 | 14:06:09 | 72.25, -40.28 | 82.06 | 64.97 | 69 |
| 46 | 10/18/2025 | 14:58:01 | -72.20, 129.09 | 98.03 | 10/18/2025 | 14:56:52 | -72.19, 126.93 | 97.99 | 73.71 | 69 |
Figure of NPP and METOP-C satellite orbits during SNOs since TLE Epoch: 10/11/2025
Download SNOs between NPP and METOP-C since TLE EPOCH: 10/11/2025 in txt file.
Historial Predications of SNOs between NPP and METOP-C