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: 10/12/2025
| 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 | 73.44, 157.38 | 82.70 | 10/17/2025 | 00:55:50 | 73.42, 159.66 | 82.63 | 72.11 | 68 |
| 2 | 10/17/2025 | 01:45:25 | -73.37, -35.14 | 97.37 | 10/17/2025 | 01:46:34 | -73.30, -33.29 | 97.48 | 59.46 | 69 |
| 3 | 10/17/2025 | 02:36:06 | 73.14, 132.68 | 82.41 | 10/17/2025 | 02:37:18 | 73.10, 133.61 | 82.34 | 30.37 | 72 |
| 4 | 10/17/2025 | 03:26:49 | -73.07, -59.85 | 97.66 | 10/17/2025 | 03:28:02 | -72.98, -59.32 | 97.77 | 19.89 | 73 |
| 5 | 10/17/2025 | 04:17:31 | 72.89, 107.85 | 82.17 | 10/17/2025 | 04:18:44 | 72.88, 107.80 | 82.15 | 2.45 | 73 |
| 6 | 10/17/2025 | 05:08:16 | -72.92, -84.90 | 97.79 | 10/17/2025 | 05:09:25 | -72.91, -84.81 | 97.81 | 3.24 | 69 |
| 7 | 10/17/2025 | 05:59:01 | 72.90, 82.47 | 82.20 | 10/17/2025 | 06:00:05 | 72.91, 82.52 | 82.21 | 2.40 | 64 |
| 8 | 10/17/2025 | 06:49:45 | -72.87,-110.17 | 97.81 | 10/17/2025 | 06:50:47 | -72.89,-110.19 | 97.80 | 2.10 | 62 |
| 9 | 10/17/2025 | 07:40:31 | 72.90, 57.09 | 82.23 | 10/17/2025 | 07:41:27 | 72.89, 57.14 | 82.22 | 1.75 | 56 |
| 10 | 10/17/2025 | 08:31:15 | -72.88,-135.55 | 97.79 | 10/17/2025 | 08:32:09 | -72.87,-135.57 | 97.79 | 0.72 | 54 |
| 11 | 10/17/2025 | 09:22:01 | 72.90, 31.72 | 82.25 | 10/17/2025 | 09:22:49 | 72.87, 31.76 | 82.22 | 3.19 | 48 |
| 12 | 10/17/2025 | 10:12:45 | -72.88,-160.92 | 97.76 | 10/17/2025 | 10:13:31 | -72.86,-160.95 | 97.78 | 2.49 | 46 |
| 13 | 10/17/2025 | 11:03:30 | 72.85, 6.45 | 82.23 | 10/17/2025 | 11:04:11 | 72.85, 6.39 | 82.23 | 2.09 | 41 |
| 14 | 10/17/2025 | 11:54:15 | -72.88, 173.70 | 97.73 | 10/17/2025 | 11:54:52 | -72.89, 173.78 | 97.73 | 2.86 | 37 |
| 15 | 10/17/2025 | 12:45:00 | 72.85, -18.93 | 82.26 | 10/17/2025 | 12:45:33 | 72.84, -18.99 | 82.24 | 2.60 | 33 |
| 16 | 10/17/2025 | 13:35:45 | -72.88, 148.32 | 97.71 | 10/17/2025 | 13:36:14 | -72.87, 148.40 | 97.72 | 2.85 | 29 |
| 17 | 10/17/2025 | 14:26:30 | 72.85, -44.31 | 82.28 | 10/17/2025 | 14:26:54 | 72.87, -44.27 | 82.30 | 2.28 | 24 |
| 18 | 10/17/2025 | 15:17:14 | -72.83, 123.05 | 97.73 | 10/17/2025 | 15:17:36 | -72.85, 123.02 | 97.71 | 2.44 | 22 |
| 19 | 10/17/2025 | 16:08:00 | 72.85, -69.69 | 82.31 | 10/17/2025 | 16:08:16 | 72.85, -69.65 | 82.30 | 1.36 | 16 |
| 20 | 10/17/2025 | 16:58:44 | -72.83, 97.67 | 97.71 | 10/17/2025 | 16:58:58 | -72.83, 97.64 | 97.71 | 0.99 | 14 |
| 21 | 10/17/2025 | 17:49:30 | 72.85, -95.06 | 82.34 | 10/17/2025 | 17:49:38 | 72.83, -95.03 | 82.31 | 2.90 | 8 |
| 22 | 10/17/2025 | 18:40:14 | -72.83, 72.30 | 97.68 | 10/17/2025 | 18:40:20 | -72.81, 72.27 | 97.70 | 2.39 | 6 |
| 23 | 10/17/2025 | 19:30:59 | 72.80,-120.33 | 82.31 | 10/17/2025 | 19:31:00 | 72.81,-120.40 | 82.32 | 2.46 | 1 |
| 24 | 10/17/2025 | 20:21:44 | -72.83, 46.92 | 97.65 | 10/17/2025 | 20:21:41 | -72.85, 46.99 | 97.64 | 2.69 | 3 |
| 25 | 10/17/2025 | 21:12:29 | 72.81,-145.71 | 82.34 | 10/17/2025 | 21:12:22 | 72.79,-145.78 | 82.33 | 2.81 | 7 |
| 26 | 10/17/2025 | 22:03:14 | -72.83, 21.54 | 97.62 | 10/17/2025 | 22:03:03 | -72.83, 21.61 | 97.63 | 2.50 | 11 |
| 27 | 10/17/2025 | 22:53:59 | 72.81,-171.09 | 82.36 | 10/17/2025 | 22:53:43 | 72.82,-171.06 | 82.38 | 2.21 | 16 |
| 28 | 10/17/2025 | 23:44:43 | -72.79, -3.73 | 97.65 | 10/17/2025 | 23:44:25 | -72.81, -3.76 | 97.63 | 2.74 | 18 |
| 29 | 10/18/2025 | 00:35:29 | 72.81, 163.54 | 82.39 | 10/18/2025 | 00:35:05 | 72.81, 163.56 | 82.39 | 1.00 | 24 |
| 30 | 10/18/2025 | 01:26:13 | -72.79, -29.11 | 97.62 | 10/18/2025 | 01:25:47 | -72.79, -29.14 | 97.62 | 1.29 | 26 |
| 31 | 10/18/2025 | 02:16:59 | 72.81, 138.16 | 82.42 | 10/18/2025 | 02:16:27 | 72.79, 138.19 | 82.40 | 2.67 | 32 |
| 32 | 10/18/2025 | 03:07:43 | -72.79, -54.48 | 97.60 | 10/18/2025 | 03:07:09 | -72.77, -54.52 | 97.61 | 2.36 | 34 |
| 33 | 10/18/2025 | 03:58:28 | 72.76, 112.89 | 82.39 | 10/18/2025 | 03:57:49 | 72.77, 112.81 | 82.41 | 2.80 | 39 |
| 34 | 10/18/2025 | 04:49:13 | -72.79, -79.86 | 97.57 | 10/18/2025 | 04:48:30 | -72.80, -79.80 | 97.55 | 2.55 | 43 |
| 35 | 10/18/2025 | 05:39:57 | 72.76, 87.51 | 82.42 | 10/18/2025 | 05:39:10 | 72.75, 87.43 | 82.41 | 3.04 | 47 |
| 36 | 10/18/2025 | 06:30:42 | -72.79,-105.24 | 97.54 | 10/18/2025 | 06:29:51 | -72.78,-105.17 | 97.55 | 2.19 | 51 |
| 37 | 10/18/2025 | 07:21:27 | 72.76, 62.13 | 82.45 | 10/18/2025 | 07:20:31 | 72.78, 62.15 | 82.47 | 2.17 | 56 |
| 38 | 10/18/2025 | 08:12:11 | -72.74,-130.51 | 97.57 | 10/18/2025 | 08:11:13 | -72.77,-130.55 | 97.54 | 3.01 | 58 |
| 39 | 10/18/2025 | 09:02:57 | 72.76, 36.76 | 82.47 | 10/18/2025 | 09:01:53 | 72.76, 36.77 | 82.48 | 0.67 | 64 |
| 40 | 10/18/2025 | 09:53:41 | -72.74,-155.89 | 97.54 | 10/18/2025 | 09:52:35 | -72.75,-155.93 | 97.53 | 1.57 | 66 |
| 41 | 10/18/2025 | 10:44:27 | 72.77, 11.38 | 82.50 | 10/18/2025 | 10:43:15 | 72.74, 11.40 | 82.48 | 2.51 | 72 |
| 42 | 10/18/2025 | 11:35:11 | -72.74, 178.74 | 97.51 | 10/18/2025 | 11:33:57 | -72.73, 178.69 | 97.52 | 2.39 | 74 |
| 43 | 10/18/2025 | 12:25:53 | 72.56, -13.58 | 82.32 | 10/18/2025 | 12:24:40 | 72.57, -14.30 | 82.34 | 23.85 | 73 |
| 44 | 10/18/2025 | 13:16:36 | -72.49, 153.88 | 97.75 | 10/18/2025 | 13:15:24 | -72.46, 152.80 | 97.76 | 36.48 | 72 |
| 45 | 10/18/2025 | 14:07:17 | 72.26, -38.35 | 82.03 | 10/18/2025 | 14:06:08 | 72.25, -40.28 | 82.06 | 65.67 | 69 |
| 46 | 10/18/2025 | 14:58:00 | -72.19, 129.11 | 98.04 | 10/18/2025 | 14:56:51 | -72.18, 126.92 | 98.00 | 74.43 | 69 |
Figure of NPP and METOP-C satellite orbits during SNOs since TLE Epoch: 10/12/2025
Download SNOs between NPP and METOP-C since TLE EPOCH: 10/12/2025 in txt file.
Historial Predications of SNOs between NPP and METOP-C