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: 8/14/2025
| 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 | 08/27/2025 | 08:36:04 | 73.59, 41.55 | 63.84 | 08/27/2025 | 08:37:10 | 73.51, 44.53 | 63.62 | 94.04 | 66 |
| 2 | 08/27/2025 | 09:26:46 | -73.48,-150.89 | 116.27 | 08/27/2025 | 09:27:53 | -73.47,-148.24 | 116.41 | 83.88 | 67 |
| 3 | 08/27/2025 | 10:17:28 | 73.29, 16.85 | 63.54 | 08/27/2025 | 10:18:37 | 73.24, 18.58 | 63.39 | 55.78 | 69 |
| 4 | 08/27/2025 | 11:08:10 | -73.19,-175.61 | 116.56 | 08/27/2025 | 11:09:21 | -73.15,-174.29 | 116.68 | 42.64 | 71 |
| 5 | 08/27/2025 | 11:58:52 | 73.00, -7.88 | 63.24 | 08/27/2025 | 12:00:05 | 72.91, -7.46 | 63.13 | 16.64 | 73 |
| 6 | 08/27/2025 | 12:49:34 | -72.90, 159.66 | 116.86 | 08/27/2025 | 12:50:48 | -72.88, 159.79 | 116.90 | 4.92 | 74 |
| 7 | 08/27/2025 | 13:40:19 | 72.85, -32.94 | 63.11 | 08/27/2025 | 13:41:28 | 72.84, -32.94 | 63.09 | 1.11 | 69 |
| 8 | 08/27/2025 | 14:31:03 | -72.85, 134.38 | 116.88 | 08/27/2025 | 14:32:10 | -72.86, 134.41 | 116.89 | 1.07 | 67 |
| 9 | 08/27/2025 | 15:21:48 | 72.81, -58.22 | 63.09 | 08/27/2025 | 15:22:50 | 72.83, -58.32 | 63.09 | 3.66 | 62 |
| 10 | 08/27/2025 | 16:12:33 | -72.86, 108.99 | 116.85 | 08/27/2025 | 16:13:32 | -72.84, 109.03 | 116.89 | 2.89 | 59 |
| 11 | 08/27/2025 | 17:03:18 | 72.82, -83.61 | 63.12 | 08/27/2025 | 17:04:12 | 72.81, -83.70 | 63.10 | 3.27 | 54 |
| 12 | 08/27/2025 | 17:54:02 | -72.82, 83.71 | 116.87 | 08/27/2025 | 17:54:54 | -72.82, 83.65 | 116.88 | 1.94 | 52 |
| 13 | 08/27/2025 | 18:44:48 | 72.82,-109.00 | 63.15 | 08/27/2025 | 18:45:33 | 72.84,-108.98 | 63.15 | 1.66 | 45 |
| 14 | 08/27/2025 | 19:35:32 | -72.82, 58.32 | 116.84 | 08/27/2025 | 19:36:16 | -72.80, 58.27 | 116.87 | 3.19 | 44 |
| 15 | 08/27/2025 | 20:26:18 | 72.83,-134.39 | 63.18 | 08/27/2025 | 20:26:55 | 72.82,-134.36 | 63.16 | 1.74 | 37 |
| 16 | 08/27/2025 | 21:17:02 | -72.83, 32.93 | 116.81 | 08/27/2025 | 21:17:37 | -72.83, 32.99 | 116.82 | 2.05 | 35 |
| 17 | 08/27/2025 | 22:07:47 | 72.79,-159.67 | 63.16 | 08/27/2025 | 22:08:17 | 72.80,-159.74 | 63.17 | 2.58 | 30 |
| 18 | 08/27/2025 | 22:58:31 | -72.79, 7.65 | 116.83 | 08/27/2025 | 22:58:59 | -72.81, 7.61 | 116.81 | 3.01 | 28 |
| 19 | 08/27/2025 | 23:49:17 | 72.79, 174.94 | 63.19 | 08/27/2025 | 23:49:39 | 72.78, 174.88 | 63.18 | 2.51 | 22 |
| 20 | 08/28/2025 | 00:40:01 | -72.79, -17.74 | 116.80 | 08/28/2025 | 00:40:21 | -72.79, -17.77 | 116.81 | 0.92 | 20 |
| 21 | 08/28/2025 | 01:30:46 | 72.80, 149.55 | 63.22 | 08/28/2025 | 01:30:59 | 72.81, 149.61 | 63.23 | 2.15 | 13 |
| 22 | 08/28/2025 | 02:21:30 | -72.80, -43.13 | 116.77 | 08/28/2025 | 02:21:42 | -72.77, -43.15 | 116.80 | 3.04 | 12 |
| 23 | 08/28/2025 | 03:12:16 | 72.81, 124.16 | 63.26 | 08/28/2025 | 03:12:21 | 72.79, 124.23 | 63.24 | 2.70 | 5 |
| 24 | 08/28/2025 | 04:03:00 | -72.81, -68.52 | 116.74 | 08/28/2025 | 04:03:03 | -72.80, -68.42 | 116.75 | 3.08 | 3 |
| 25 | 08/28/2025 | 04:53:45 | 72.76, 98.88 | 63.23 | 08/28/2025 | 04:53:43 | 72.77, 98.85 | 63.24 | 1.52 | 2 |
| 26 | 08/28/2025 | 05:44:29 | -72.76, -93.80 | 116.76 | 08/28/2025 | 05:44:25 | -72.79, -93.80 | 116.74 | 2.51 | 4 |
| 27 | 08/28/2025 | 06:35:15 | 72.77, 73.49 | 63.26 | 08/28/2025 | 06:35:05 | 72.75, 73.47 | 63.25 | 2.10 | 10 |
| 28 | 08/28/2025 | 07:25:59 | -72.77,-119.19 | 116.73 | 08/28/2025 | 07:25:47 | -72.77,-119.18 | 116.73 | 0.39 | 12 |
| 29 | 08/28/2025 | 08:16:45 | 72.78, 48.11 | 63.30 | 08/28/2025 | 08:16:26 | 72.79, 48.19 | 63.30 | 2.99 | 19 |
| 30 | 08/28/2025 | 09:07:29 | -72.78,-144.57 | 116.70 | 08/28/2025 | 09:07:09 | -72.75,-144.56 | 116.72 | 3.27 | 20 |
| 31 | 08/28/2025 | 09:58:14 | 72.73, 22.82 | 63.27 | 08/28/2025 | 09:57:48 | 72.77, 22.81 | 63.31 | 3.58 | 26 |
| 32 | 08/28/2025 | 10:48:58 | -72.73,-169.86 | 116.72 | 08/28/2025 | 10:48:31 | -72.73,-169.94 | 116.72 | 2.86 | 27 |
| 33 | 08/28/2025 | 11:39:44 | 72.74, -2.56 | 63.31 | 08/28/2025 | 11:39:10 | 72.75, -2.57 | 63.32 | 0.66 | 34 |
| 34 | 08/28/2025 | 12:30:28 | -72.74, 164.76 | 116.69 | 08/28/2025 | 12:29:52 | -72.76, 164.78 | 116.66 | 2.42 | 36 |
| 35 | 08/28/2025 | 13:21:14 | 72.75, -27.95 | 63.34 | 08/28/2025 | 13:20:32 | 72.73, -27.95 | 63.32 | 2.26 | 42 |
| 36 | 08/28/2025 | 14:11:58 | -72.75, 139.37 | 116.66 | 08/28/2025 | 14:11:14 | -72.74, 139.40 | 116.66 | 1.34 | 44 |
| 37 | 08/28/2025 | 15:02:43 | 72.70, -53.24 | 63.31 | 08/28/2025 | 15:01:54 | 72.71, -53.33 | 63.33 | 3.03 | 49 |
| 38 | 08/28/2025 | 15:53:27 | -72.70, 114.08 | 116.68 | 08/28/2025 | 15:52:36 | -72.72, 114.02 | 116.65 | 2.90 | 51 |
| 39 | 08/28/2025 | 16:44:13 | 72.71, -78.62 | 63.35 | 08/28/2025 | 16:43:15 | 72.74, -78.60 | 63.39 | 3.31 | 58 |
| 40 | 08/28/2025 | 17:34:57 | -72.71, 88.70 | 116.65 | 08/28/2025 | 17:33:58 | -72.70, 88.64 | 116.64 | 1.92 | 59 |
| 41 | 08/28/2025 | 18:25:43 | 72.72,-104.01 | 63.38 | 08/28/2025 | 18:24:37 | 72.72,-103.98 | 63.39 | 1.08 | 66 |
| 42 | 08/28/2025 | 19:16:27 | -72.71, 63.31 | 116.62 | 08/28/2025 | 19:15:19 | -72.73, 63.37 | 116.59 | 2.77 | 68 |
| 43 | 08/28/2025 | 20:07:13 | 72.72,-129.40 | 63.41 | 08/28/2025 | 20:05:59 | 72.70,-129.36 | 63.40 | 2.92 | 74 |
Figure of NPP and METOP-C satellite orbits during SNOs since TLE Epoch: 8/14/2025
Download SNOs between NPP and METOP-C since TLE EPOCH: 08/14/2025 in txt file.
Historial Predications of SNOs between NPP and METOP-C