Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and METOP-C Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/28/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (METOP-C) | Time (METOP-C) | Lat,Lon (METOP-C) | SZA (METOP-C ) | Distance(km) | Time Diff (sec) |
| 1 | 10/06/2025 | 12:21:32 | -73.43, 164.83 | 101.22 | 10/06/2025 | 12:22:38 | -73.40, 167.93 | 101.34 | 98.46 | 66 |
| 2 | 10/06/2025 | 13:12:14 | 73.25, -27.46 | 78.61 | 10/06/2025 | 13:13:22 | 73.20, -25.19 | 78.49 | 73.37 | 68 |
| 3 | 10/06/2025 | 14:02:56 | -73.14, 140.10 | 101.50 | 10/06/2025 | 14:04:06 | -73.08, 141.87 | 101.62 | 57.69 | 70 |
| 4 | 10/06/2025 | 14:53:38 | 72.96, -52.20 | 78.33 | 10/06/2025 | 14:54:49 | 72.92, -51.12 | 78.25 | 35.49 | 71 |
| 5 | 10/06/2025 | 15:44:19 | -72.85, 115.36 | 101.79 | 10/06/2025 | 15:45:32 | -72.80, 115.95 | 101.86 | 20.18 | 73 |
| 6 | 10/06/2025 | 16:35:01 | 72.67, -76.96 | 78.04 | 10/06/2025 | 16:36:15 | 72.65, -77.04 | 78.02 | 3.38 | 74 |
| 7 | 10/06/2025 | 17:25:45 | -72.66, 90.38 | 101.96 | 10/06/2025 | 17:26:56 | -72.68, 90.35 | 101.95 | 2.75 | 71 |
| 8 | 10/06/2025 | 18:16:31 | 72.68,-102.35 | 78.08 | 10/06/2025 | 18:17:36 | 72.68,-102.32 | 78.07 | 1.04 | 65 |
| 9 | 10/06/2025 | 19:07:15 | -72.66, 64.99 | 101.93 | 10/06/2025 | 19:08:18 | -72.66, 64.97 | 101.94 | 1.28 | 63 |
| 10 | 10/06/2025 | 19:58:00 | 72.64,-127.64 | 78.06 | 10/06/2025 | 19:58:58 | 72.65,-127.71 | 78.07 | 2.90 | 58 |
| 11 | 10/06/2025 | 20:48:45 | -72.67, 39.60 | 101.89 | 10/06/2025 | 20:49:39 | -72.68, 39.68 | 101.89 | 3.08 | 54 |
| 12 | 10/06/2025 | 21:39:30 | 72.64,-153.03 | 78.10 | 10/06/2025 | 21:40:20 | 72.63,-153.09 | 78.08 | 2.71 | 50 |
| 13 | 10/06/2025 | 22:30:14 | -72.63, 14.31 | 101.91 | 10/06/2025 | 22:31:01 | -72.66, 14.30 | 101.88 | 2.96 | 47 |
| 14 | 10/06/2025 | 23:21:00 | 72.65,-178.43 | 78.13 | 10/06/2025 | 23:21:41 | 72.66,-178.38 | 78.13 | 1.64 | 41 |
| 15 | 10/07/2025 | 00:11:44 | -72.64, -11.09 | 101.87 | 10/07/2025 | 00:12:23 | -72.64, -11.09 | 101.88 | 0.70 | 39 |
| 16 | 10/07/2025 | 01:02:29 | 72.61, 156.28 | 78.12 | 10/07/2025 | 01:03:03 | 72.63, 156.24 | 78.14 | 2.71 | 34 |
| 17 | 10/07/2025 | 01:53:13 | -72.60, -36.38 | 101.89 | 10/07/2025 | 01:53:45 | -72.61, -36.48 | 101.88 | 3.57 | 32 |
| 18 | 10/07/2025 | 02:43:59 | 72.62, 130.89 | 78.15 | 10/07/2025 | 02:44:25 | 72.61, 130.85 | 78.14 | 2.06 | 26 |
| 19 | 10/07/2025 | 03:34:43 | -72.61, -61.77 | 101.85 | 10/07/2025 | 03:35:06 | -72.64, -61.76 | 101.82 | 3.30 | 23 |
| 20 | 10/07/2025 | 04:25:29 | 72.63, 105.50 | 78.19 | 10/07/2025 | 04:25:46 | 72.64, 105.56 | 78.19 | 2.29 | 17 |
| 21 | 10/07/2025 | 05:16:13 | -72.62, -87.16 | 101.81 | 10/07/2025 | 05:16:28 | -72.62, -87.15 | 101.82 | 0.64 | 15 |
| 22 | 10/07/2025 | 06:06:58 | 72.59, 80.21 | 78.18 | 10/07/2025 | 06:07:08 | 72.61, 80.18 | 78.20 | 2.67 | 10 |
| 23 | 10/07/2025 | 06:57:42 | -72.58,-112.45 | 101.83 | 10/07/2025 | 06:57:50 | -72.59,-112.53 | 101.81 | 3.14 | 8 |
| 24 | 10/07/2025 | 07:48:28 | 72.60, 54.81 | 78.21 | 10/07/2025 | 07:48:30 | 72.59, 54.79 | 78.20 | 1.45 | 2 |
| 25 | 10/07/2025 | 08:39:12 | -72.59,-137.85 | 101.79 | 10/07/2025 | 08:39:12 | -72.57,-137.92 | 101.81 | 3.20 | 0 |
| 26 | 10/07/2025 | 09:29:58 | 72.61, 29.42 | 78.25 | 10/07/2025 | 09:29:51 | 72.62, 29.51 | 78.25 | 2.96 | 7 |
| 27 | 10/07/2025 | 10:20:42 | -72.60,-163.24 | 101.75 | 10/07/2025 | 10:20:33 | -72.60,-163.21 | 101.76 | 1.17 | 9 |
| 28 | 10/07/2025 | 11:11:27 | 72.57, 4.13 | 78.23 | 10/07/2025 | 11:11:13 | 72.59, 4.12 | 78.26 | 2.78 | 14 |
| 29 | 10/07/2025 | 12:02:11 | -72.56, 171.47 | 101.77 | 10/07/2025 | 12:01:55 | -72.57, 171.41 | 101.75 | 2.82 | 16 |
| 30 | 10/07/2025 | 12:52:57 | 72.58, -21.26 | 78.27 | 10/07/2025 | 12:52:35 | 72.57, -21.27 | 78.26 | 0.95 | 22 |
| 31 | 10/07/2025 | 13:43:41 | -72.57, 146.08 | 101.73 | 10/07/2025 | 13:43:17 | -72.55, 146.02 | 101.75 | 2.51 | 24 |
| 32 | 10/07/2025 | 14:34:26 | 72.54, -46.55 | 78.25 | 10/07/2025 | 14:33:57 | 72.55, -46.66 | 78.27 | 3.56 | 29 |
| 33 | 10/07/2025 | 15:25:11 | -72.58, 120.68 | 101.70 | 10/07/2025 | 15:24:38 | -72.58, 120.74 | 101.69 | 1.84 | 33 |
| 34 | 10/07/2025 | 16:15:56 | 72.55, -71.95 | 78.29 | 10/07/2025 | 16:15:18 | 72.57, -71.94 | 78.32 | 3.03 | 38 |
| 35 | 10/07/2025 | 17:06:40 | -72.54, 95.39 | 101.71 | 10/07/2025 | 17:06:00 | -72.56, 95.35 | 101.69 | 2.63 | 40 |
| 36 | 10/07/2025 | 17:57:26 | 72.56, -97.34 | 78.33 | 10/07/2025 | 17:56:40 | 72.55, -97.33 | 78.32 | 0.81 | 46 |
| 37 | 10/07/2025 | 18:48:10 | -72.55, 70.00 | 101.68 | 10/07/2025 | 18:47:22 | -72.53, 69.96 | 101.68 | 1.84 | 48 |
| 38 | 10/07/2025 | 19:38:55 | 72.52,-122.63 | 78.31 | 10/07/2025 | 19:38:02 | 72.53,-122.71 | 78.33 | 3.06 | 53 |
| 39 | 10/07/2025 | 20:29:40 | -72.55, 44.60 | 101.64 | 10/07/2025 | 20:28:43 | -72.56, 44.68 | 101.63 | 2.54 | 57 |
| 40 | 10/07/2025 | 21:20:25 | 72.53,-148.02 | 78.35 | 10/07/2025 | 21:19:23 | 72.55,-148.00 | 78.38 | 3.39 | 62 |
| 41 | 10/07/2025 | 22:11:09 | -72.51, 19.31 | 101.66 | 10/07/2025 | 22:10:05 | -72.54, 19.29 | 101.63 | 2.62 | 64 |
| 42 | 10/07/2025 | 23:01:55 | 72.53,-173.42 | 78.38 | 10/07/2025 | 23:00:45 | 72.53,-173.39 | 78.39 | 1.18 | 70 |
| 43 | 10/07/2025 | 23:52:39 | -72.52, -6.08 | 101.62 | 10/07/2025 | 23:51:27 | -72.51, -6.09 | 101.62 | 1.26 | 72 |
| 44 | 10/08/2025 | 00:43:22 | 72.39, 161.50 | 78.26 | 10/08/2025 | 00:42:09 | 72.40, 161.02 | 78.29 | 15.94 | 73 |
| 45 | 10/08/2025 | 01:34:05 | -72.33, -31.07 | 101.80 | 10/08/2025 | 01:32:52 | -72.34, -31.78 | 101.76 | 24.24 | 73 |
| 46 | 10/08/2025 | 02:24:46 | 72.09, 136.70 | 77.98 | 10/08/2025 | 02:23:36 | 72.12, 135.14 | 78.06 | 53.56 | 70 |
| 47 | 10/08/2025 | 03:15:29 | -72.03, -55.87 | 102.08 | 10/08/2025 | 03:14:19 | -72.06, -57.66 | 102.00 | 61.71 | 70 |
| 48 | 10/08/2025 | 04:06:10 | 71.80, 111.89 | 77.69 | 10/08/2025 | 04:05:04 | 71.79, 109.17 | 77.77 | 94.49 | 66 |
Figure of NOAA-20 and METOP-C satellite orbits during SNOs since TLE Epoch: 9/28/2025
Download SNOs between NOAA-20 and METOP-C since TLE EPOCH: 09/28/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and METOP-C