Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and METOP-B Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/8/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (METOP-B) | Time (METOP-B) | Lat,Lon (METOP-B) | SZA (METOP-B ) | Distance(km) | Time Diff (sec) |
| 1 | 09/10/2025 | 09:37:34 | 75.13, 21.54 | 70.70 | 09/10/2025 | 09:38:39 | 75.06, 24.93 | 70.43 | 97.14 | 65 |
| 2 | 09/10/2025 | 10:28:16 | -75.01,-170.81 | 109.43 | 09/10/2025 | 10:29:23 | -74.96,-168.01 | 109.64 | 80.87 | 67 |
| 3 | 09/10/2025 | 11:18:57 | 74.80, -2.90 | 70.35 | 09/10/2025 | 11:20:07 | 74.75, -1.26 | 70.19 | 48.19 | 70 |
| 4 | 09/10/2025 | 12:09:40 | -74.73, 164.60 | 109.72 | 09/10/2025 | 12:10:51 | -74.66, 165.82 | 109.88 | 36.75 | 71 |
| 5 | 09/10/2025 | 13:00:21 | 74.52, -27.50 | 70.05 | 09/10/2025 | 13:01:34 | 74.49, -27.28 | 70.00 | 7.07 | 73 |
| 6 | 09/10/2025 | 13:51:04 | -74.45, 139.99 | 110.01 | 09/10/2025 | 13:52:17 | -74.45, 139.93 | 110.03 | 1.68 | 73 |
| 7 | 09/10/2025 | 14:41:50 | 74.48, -52.76 | 70.03 | 09/10/2025 | 14:42:56 | 74.48, -52.66 | 70.01 | 3.10 | 66 |
| 8 | 09/10/2025 | 15:32:34 | -74.46, 114.60 | 109.98 | 09/10/2025 | 15:33:39 | -74.43, 114.55 | 110.01 | 2.89 | 65 |
| 9 | 09/10/2025 | 16:23:19 | 74.43, -78.03 | 70.01 | 09/10/2025 | 16:24:18 | 74.46, -78.04 | 70.03 | 3.25 | 59 |
| 10 | 09/10/2025 | 17:14:04 | -74.47, 89.20 | 109.94 | 09/10/2025 | 17:15:00 | -74.47, 89.30 | 109.96 | 2.96 | 56 |
| 11 | 09/10/2025 | 18:04:49 | 74.44,-103.42 | 70.05 | 09/10/2025 | 18:05:40 | 74.45,-103.42 | 70.04 | 0.82 | 51 |
| 12 | 09/10/2025 | 18:55:33 | -74.42, 63.94 | 109.96 | 09/10/2025 | 18:56:22 | -74.45, 63.92 | 109.94 | 3.49 | 49 |
| 13 | 09/10/2025 | 19:46:19 | 74.45,-128.81 | 70.08 | 09/10/2025 | 19:47:02 | 74.43,-128.80 | 70.06 | 1.68 | 43 |
| 14 | 09/10/2025 | 20:37:03 | -74.43, 38.55 | 109.93 | 09/10/2025 | 20:37:44 | -74.44, 38.55 | 109.93 | 1.08 | 41 |
| 15 | 09/10/2025 | 21:27:48 | 74.41,-154.08 | 70.06 | 09/10/2025 | 21:28:24 | 74.42,-154.18 | 70.07 | 3.21 | 36 |
| 16 | 09/10/2025 | 22:18:33 | -74.44, 13.15 | 109.90 | 09/10/2025 | 22:19:06 | -74.43, 13.17 | 109.92 | 1.36 | 33 |
| 17 | 09/10/2025 | 23:09:18 | 74.41,-179.47 | 70.09 | 09/10/2025 | 23:09:46 | 74.40,-179.55 | 70.08 | 2.68 | 28 |
| 18 | 09/11/2025 | 00:00:02 | -74.40, -12.11 | 109.92 | 09/11/2025 | 00:00:28 | -74.41, -12.21 | 109.90 | 3.45 | 26 |
| 19 | 09/11/2025 | 00:50:48 | 74.42, 155.14 | 70.13 | 09/11/2025 | 00:51:07 | 74.44, 155.19 | 70.14 | 2.64 | 19 |
| 20 | 09/11/2025 | 01:41:32 | -74.40, -37.50 | 109.88 | 09/11/2025 | 01:41:50 | -74.40, -37.59 | 109.89 | 2.67 | 18 |
| 21 | 09/11/2025 | 02:32:18 | 74.43, 129.74 | 70.16 | 09/11/2025 | 02:32:29 | 74.42, 129.81 | 70.15 | 2.16 | 11 |
| 22 | 09/11/2025 | 03:23:02 | -74.41, -62.90 | 109.85 | 09/11/2025 | 03:23:11 | -74.43, -62.84 | 109.83 | 2.85 | 9 |
| 23 | 09/11/2025 | 04:13:47 | 74.39, 104.48 | 70.14 | 09/11/2025 | 04:13:51 | 74.41, 104.44 | 70.17 | 2.89 | 4 |
| 24 | 09/11/2025 | 05:04:32 | -74.42, -88.29 | 109.81 | 09/11/2025 | 05:04:33 | -74.42, -88.22 | 109.82 | 2.00 | 1 |
| 25 | 09/11/2025 | 05:55:17 | 74.39, 79.09 | 70.18 | 09/11/2025 | 05:55:13 | 74.39, 79.06 | 70.18 | 0.88 | 4 |
| 26 | 09/11/2025 | 06:46:01 | -74.38,-113.55 | 109.83 | 09/11/2025 | 06:45:55 | -74.40,-113.60 | 109.80 | 3.29 | 6 |
| 27 | 09/11/2025 | 07:36:47 | 74.40, 53.69 | 70.21 | 09/11/2025 | 07:36:35 | 74.38, 53.68 | 70.20 | 2.31 | 12 |
| 28 | 09/11/2025 | 08:27:31 | -74.38,-138.95 | 109.80 | 09/11/2025 | 08:27:17 | -74.39,-138.98 | 109.79 | 1.12 | 14 |
| 29 | 09/11/2025 | 09:18:17 | 74.41, 28.30 | 70.25 | 09/11/2025 | 09:17:56 | 74.41, 28.42 | 70.25 | 3.81 | 21 |
| 30 | 09/11/2025 | 10:09:01 | -74.39,-164.34 | 109.77 | 09/11/2025 | 10:08:39 | -74.37,-164.36 | 109.78 | 1.87 | 22 |
| 31 | 09/11/2025 | 10:59:46 | 74.37, 3.03 | 70.23 | 09/11/2025 | 10:59:18 | 74.40, 3.05 | 70.26 | 3.79 | 28 |
| 32 | 09/11/2025 | 11:50:30 | -74.40, 170.27 | 109.73 | 09/11/2025 | 11:49:59 | -74.41, 170.39 | 109.72 | 3.84 | 31 |
| 33 | 09/11/2025 | 12:41:15 | 74.37, -22.36 | 70.26 | 09/11/2025 | 12:40:39 | 74.38, -22.33 | 70.28 | 1.54 | 36 |
| 34 | 09/11/2025 | 13:31:59 | -74.35, 145.00 | 109.75 | 09/11/2025 | 13:31:22 | -74.34, 144.89 | 109.75 | 3.66 | 37 |
| 35 | 09/11/2025 | 14:22:45 | 74.38, -47.75 | 70.29 | 09/11/2025 | 14:22:01 | 74.37, -47.71 | 70.29 | 1.60 | 44 |
| 36 | 09/11/2025 | 15:13:29 | -74.36, 119.61 | 109.72 | 09/11/2025 | 15:12:43 | -74.38, 119.63 | 109.69 | 1.99 | 46 |
| 37 | 09/11/2025 | 16:04:14 | 74.34, -73.02 | 70.27 | 09/11/2025 | 16:03:23 | 74.36, -73.09 | 70.31 | 2.91 | 51 |
| 38 | 09/11/2025 | 16:54:59 | -74.37, 94.22 | 109.68 | 09/11/2025 | 16:54:05 | -74.36, 94.26 | 109.68 | 1.23 | 54 |
| 39 | 09/11/2025 | 17:45:44 | 74.35, -98.41 | 70.31 | 09/11/2025 | 17:44:45 | 74.34, -98.47 | 70.32 | 1.87 | 59 |
| 40 | 09/11/2025 | 18:36:29 | -74.38, 68.83 | 109.65 | 09/11/2025 | 18:35:27 | -74.35, 68.88 | 109.66 | 3.31 | 62 |
| 41 | 09/11/2025 | 19:27:14 | 74.35,-123.80 | 70.34 | 09/11/2025 | 19:26:07 | 74.33,-123.85 | 70.33 | 3.28 | 67 |
| 42 | 09/11/2025 | 20:17:58 | -74.33, 43.56 | 109.67 | 09/11/2025 | 20:16:49 | -74.33, 43.50 | 109.65 | 1.82 | 69 |
| 43 | 09/11/2025 | 21:08:43 | 74.31,-149.07 | 70.32 | 09/11/2025 | 21:07:29 | 74.31,-149.23 | 70.35 | 4.74 | 74 |
| 44 | 09/11/2025 | 21:59:26 | -74.24, 18.42 | 109.74 | 09/11/2025 | 21:58:12 | -74.27, 18.00 | 109.68 | 13.03 | 74 |
| 45 | 09/11/2025 | 22:50:07 | 74.02,-173.72 | 70.03 | 09/11/2025 | 22:48:57 | 74.00,-175.33 | 70.11 | 49.64 | 70 |
| 46 | 09/11/2025 | 23:40:50 | -73.96, -6.24 | 110.04 | 09/11/2025 | 23:39:40 | -73.96, -8.10 | 109.91 | 57.30 | 70 |
| 47 | 09/12/2025 | 00:31:30 | 73.68, 161.73 | 69.68 | 09/12/2025 | 00:30:25 | 73.68, 158.58 | 69.88 | 98.22 | 65 |
Figure of NOAA-20 and METOP-B satellite orbits during SNOs since TLE Epoch: 9/8/2025
Download SNOs between NOAA-20 and METOP-B since TLE EPOCH: 09/08/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and METOP-B