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: 8/23/2025
| 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 | 73.57, 41.60 | 63.82 | 08/27/2025 | 08:37:10 | 73.52, 44.55 | 63.63 | 93.33 | 66 |
| 2 | 08/27/2025 | 09:26:46 | -73.47,-150.86 | 116.28 | 08/27/2025 | 09:27:54 | -73.42,-148.35 | 116.46 | 79.94 | 68 |
| 3 | 08/27/2025 | 10:17:28 | 73.28, 16.89 | 63.52 | 08/27/2025 | 10:18:38 | 73.20, 18.50 | 63.36 | 52.17 | 70 |
| 4 | 08/27/2025 | 11:08:10 | -73.18,-175.58 | 116.58 | 08/27/2025 | 11:09:21 | -73.15,-174.28 | 116.68 | 41.80 | 71 |
| 5 | 08/27/2025 | 11:58:52 | 72.98, -7.84 | 63.22 | 08/27/2025 | 12:00:05 | 72.93, -7.43 | 63.14 | 14.47 | 73 |
| 6 | 08/27/2025 | 12:49:34 | -72.89, 159.68 | 116.87 | 08/27/2025 | 12:50:48 | -72.88, 159.79 | 116.90 | 3.65 | 74 |
| 7 | 08/27/2025 | 13:40:19 | 72.84, -32.90 | 63.09 | 08/27/2025 | 13:41:28 | 72.86, -32.92 | 63.10 | 2.61 | 69 |
| 8 | 08/27/2025 | 14:31:03 | -72.84, 134.40 | 116.90 | 08/27/2025 | 14:32:10 | -72.86, 134.41 | 116.89 | 2.27 | 67 |
| 9 | 08/27/2025 | 15:21:49 | 72.84, -58.29 | 63.12 | 08/27/2025 | 15:22:50 | 72.84, -58.30 | 63.11 | 0.40 | 61 |
| 10 | 08/27/2025 | 16:12:32 | -72.85, 109.02 | 116.87 | 08/27/2025 | 16:13:31 | -72.84, 109.03 | 116.88 | 0.87 | 59 |
| 11 | 08/27/2025 | 17:03:18 | 72.85, -83.68 | 63.15 | 08/27/2025 | 17:04:11 | 72.82, -83.68 | 63.11 | 3.21 | 53 |
| 12 | 08/27/2025 | 17:54:01 | -72.80, 83.73 | 116.89 | 08/27/2025 | 17:54:53 | -72.82, 83.65 | 116.88 | 3.38 | 52 |
| 13 | 08/27/2025 | 18:44:47 | 72.81,-108.96 | 63.13 | 08/27/2025 | 18:45:33 | 72.80,-109.06 | 63.12 | 3.26 | 46 |
| 14 | 08/27/2025 | 19:35:31 | -72.81, 58.35 | 116.86 | 08/27/2025 | 19:36:15 | -72.80, 58.27 | 116.87 | 2.47 | 44 |
| 15 | 08/27/2025 | 20:26:17 | 72.81,-134.35 | 63.16 | 08/27/2025 | 20:26:54 | 72.83,-134.33 | 63.17 | 2.35 | 37 |
| 16 | 08/27/2025 | 21:17:01 | -72.82, 32.96 | 116.83 | 08/27/2025 | 21:17:36 | -72.84, 33.00 | 116.82 | 2.46 | 35 |
| 17 | 08/27/2025 | 22:07:47 | 72.82,-159.74 | 63.19 | 08/27/2025 | 22:08:16 | 72.81,-159.71 | 63.18 | 0.98 | 29 |
| 18 | 08/27/2025 | 22:58:31 | -72.82, 7.57 | 116.79 | 08/27/2025 | 22:58:58 | -72.82, 7.62 | 116.81 | 1.80 | 27 |
| 19 | 08/27/2025 | 23:49:16 | 72.77, 174.98 | 63.17 | 08/27/2025 | 23:49:38 | 72.79, 174.91 | 63.19 | 3.26 | 22 |
| 20 | 08/28/2025 | 00:40:00 | -72.78, -17.71 | 116.82 | 08/28/2025 | 00:40:20 | -72.80, -17.76 | 116.80 | 2.53 | 20 |
| 21 | 08/28/2025 | 01:30:46 | 72.78, 149.59 | 63.20 | 08/28/2025 | 01:31:00 | 72.77, 149.53 | 63.20 | 2.31 | 14 |
| 22 | 08/28/2025 | 02:21:30 | -72.79, -43.10 | 116.79 | 08/28/2025 | 02:21:42 | -72.78, -43.14 | 116.79 | 1.64 | 12 |
| 23 | 08/28/2025 | 03:12:16 | 72.79, 124.21 | 63.23 | 08/28/2025 | 03:12:21 | 72.81, 124.25 | 63.25 | 2.55 | 5 |
| 24 | 08/28/2025 | 04:03:00 | -72.79, -68.49 | 116.75 | 08/28/2025 | 04:03:03 | -72.81, -68.41 | 116.74 | 3.00 | 3 |
| 25 | 08/28/2025 | 04:53:46 | 72.79, 98.82 | 63.27 | 08/28/2025 | 04:53:43 | 72.79, 98.87 | 63.26 | 2.02 | 3 |
| 26 | 08/28/2025 | 05:44:30 | -72.80, -93.87 | 116.72 | 08/28/2025 | 05:44:25 | -72.79, -93.79 | 116.73 | 2.80 | 5 |
| 27 | 08/28/2025 | 06:35:15 | 72.75, 73.54 | 63.24 | 08/28/2025 | 06:35:05 | 72.77, 73.49 | 63.26 | 2.34 | 10 |
| 28 | 08/28/2025 | 07:25:59 | -72.76,-119.16 | 116.75 | 08/28/2025 | 07:25:47 | -72.77,-119.17 | 116.73 | 1.84 | 12 |
| 29 | 08/28/2025 | 08:16:45 | 72.76, 48.15 | 63.27 | 08/28/2025 | 08:16:27 | 72.75, 48.11 | 63.27 | 1.53 | 18 |
| 30 | 08/28/2025 | 09:07:29 | -72.76,-144.54 | 116.71 | 08/28/2025 | 09:07:09 | -72.75,-144.55 | 116.72 | 1.18 | 20 |
| 31 | 08/28/2025 | 09:58:15 | 72.76, 22.76 | 63.31 | 08/28/2025 | 09:57:48 | 72.78, 22.84 | 63.32 | 3.12 | 27 |
| 32 | 08/28/2025 | 10:48:59 | -72.77,-169.93 | 116.68 | 08/28/2025 | 10:48:30 | -72.78,-169.83 | 116.67 | 3.74 | 29 |
| 33 | 08/28/2025 | 11:39:45 | 72.77, -2.63 | 63.34 | 08/28/2025 | 11:39:10 | 72.76, -2.54 | 63.33 | 3.09 | 35 |
| 34 | 08/28/2025 | 12:30:28 | -72.72, 164.79 | 116.70 | 08/28/2025 | 12:29:53 | -72.71, 164.69 | 116.70 | 3.53 | 35 |
| 35 | 08/28/2025 | 13:21:14 | 72.73, -27.91 | 63.32 | 08/28/2025 | 13:20:32 | 72.74, -27.92 | 63.34 | 1.61 | 42 |
| 36 | 08/28/2025 | 14:11:58 | -72.73, 139.40 | 116.67 | 08/28/2025 | 14:11:14 | -72.74, 139.41 | 116.65 | 1.57 | 44 |
| 37 | 08/28/2025 | 15:02:44 | 72.73, -53.30 | 63.35 | 08/28/2025 | 15:01:54 | 72.72, -53.30 | 63.34 | 1.33 | 50 |
| 38 | 08/28/2025 | 15:53:28 | -72.74, 114.01 | 116.64 | 08/28/2025 | 15:52:36 | -72.72, 114.03 | 116.64 | 1.52 | 52 |
| 39 | 08/28/2025 | 16:44:13 | 72.69, -78.58 | 63.32 | 08/28/2025 | 16:43:16 | 72.70, -78.68 | 63.35 | 3.59 | 57 |
| 40 | 08/28/2025 | 17:34:57 | -72.69, 88.73 | 116.66 | 08/28/2025 | 17:33:58 | -72.71, 88.65 | 116.64 | 2.88 | 59 |
| 41 | 08/28/2025 | 18:25:43 | 72.70,-103.97 | 63.36 | 08/28/2025 | 18:24:38 | 72.68,-104.06 | 63.36 | 3.37 | 65 |
| 42 | 08/28/2025 | 19:16:27 | -72.70, 63.34 | 116.63 | 08/28/2025 | 19:15:20 | -72.69, 63.27 | 116.63 | 2.71 | 67 |
| 43 | 08/28/2025 | 20:07:13 | 72.70,-129.36 | 63.39 | 08/28/2025 | 20:05:59 | 72.71,-129.34 | 63.41 | 1.45 | 74 |
| 44 | 08/28/2025 | 20:57:56 | -72.66, 38.06 | 116.66 | 08/28/2025 | 20:56:42 | -72.67, 37.89 | 116.62 | 5.60 | 74 |
| 45 | 08/28/2025 | 21:48:38 | 72.46,-154.23 | 63.15 | 08/28/2025 | 21:47:26 | 72.44,-155.23 | 63.19 | 33.77 | 72 |
| 46 | 08/28/2025 | 22:39:21 | -72.41, 13.18 | 116.90 | 08/28/2025 | 22:38:09 | -72.39, 12.00 | 116.84 | 39.80 | 72 |
| 47 | 08/28/2025 | 23:30:02 | 72.16,-179.01 | 62.85 | 08/28/2025 | 23:28:53 | 72.16, 178.89 | 62.97 | 71.67 | 69 |
| 48 | 08/29/2025 | 00:20:44 | -72.06, -11.51 | 117.25 | 08/29/2025 | 00:19:37 | -72.07, -13.97 | 117.11 | 84.48 | 67 |
Figure of NPP and METOP-C satellite orbits during SNOs since TLE Epoch: 8/23/2025
Download SNOs between NPP and METOP-C since TLE EPOCH: 08/23/2025 in txt file.
Historial Predications of SNOs between NPP and METOP-C