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: 9/3/2025
| 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 | 09:37:33 | 75.10, 21.62 | 70.67 | 09/10/2025 | 09:38:38 | 75.08, 25.00 | 70.45 | 96.68 | 65 |
| 2 | 09/10/2025 | 10:28:16 | -75.03,-170.86 | 109.41 | 09/10/2025 | 10:29:23 | -74.94,-168.06 | 109.66 | 81.15 | 67 |
| 3 | 09/10/2025 | 11:18:57 | 74.82, -2.95 | 70.37 | 09/10/2025 | 11:20:06 | 74.78, -1.19 | 70.21 | 51.80 | 69 |
| 4 | 09/10/2025 | 12:09:39 | -74.70, 164.69 | 109.76 | 09/10/2025 | 12:10:51 | -74.64, 165.77 | 109.89 | 32.62 | 72 |
| 5 | 09/10/2025 | 13:00:20 | 74.49, -27.43 | 70.02 | 09/10/2025 | 13:01:34 | 74.47, -27.34 | 69.98 | 3.54 | 74 |
| 6 | 09/10/2025 | 13:51:04 | -74.47, 139.95 | 109.99 | 09/10/2025 | 13:52:16 | -74.48, 140.01 | 110.00 | 2.33 | 72 |
| 7 | 09/10/2025 | 14:41:49 | 74.45, -52.69 | 70.00 | 09/10/2025 | 14:42:56 | 74.45, -52.72 | 69.99 | 1.00 | 67 |
| 8 | 09/10/2025 | 15:32:34 | -74.47, 114.55 | 109.96 | 09/10/2025 | 15:33:38 | -74.46, 114.63 | 109.99 | 2.67 | 64 |
| 9 | 09/10/2025 | 16:23:19 | 74.46, -78.08 | 70.04 | 09/10/2025 | 16:24:18 | 74.44, -78.10 | 70.01 | 1.91 | 59 |
| 10 | 09/10/2025 | 17:14:03 | -74.43, 89.29 | 109.98 | 09/10/2025 | 17:15:00 | -74.45, 89.25 | 109.98 | 2.07 | 57 |
| 11 | 09/10/2025 | 18:04:49 | 74.46,-103.48 | 70.07 | 09/10/2025 | 18:05:39 | 74.47,-103.35 | 70.06 | 3.94 | 50 |
| 12 | 09/10/2025 | 18:55:33 | -74.44, 63.90 | 109.95 | 09/10/2025 | 18:56:22 | -74.43, 63.88 | 109.96 | 0.82 | 49 |
| 13 | 09/10/2025 | 19:46:18 | 74.42,-128.74 | 70.05 | 09/10/2025 | 19:47:02 | 74.41,-128.86 | 70.03 | 3.66 | 44 |
| 14 | 09/10/2025 | 20:37:03 | -74.45, 38.50 | 109.91 | 09/10/2025 | 20:37:44 | -74.42, 38.50 | 109.95 | 2.99 | 41 |
| 15 | 09/10/2025 | 21:27:48 | 74.43,-154.13 | 70.08 | 09/10/2025 | 21:28:23 | 74.44,-154.11 | 70.09 | 1.86 | 35 |
| 16 | 09/10/2025 | 22:18:32 | -74.41, 13.24 | 109.93 | 09/10/2025 | 22:19:06 | -74.41, 13.12 | 109.93 | 3.54 | 34 |
| 17 | 09/10/2025 | 23:09:18 | 74.43,-179.53 | 70.12 | 09/10/2025 | 23:09:45 | 74.43,-179.49 | 70.10 | 1.39 | 27 |
| 18 | 09/11/2025 | 00:00:02 | -74.41, -12.15 | 109.90 | 09/11/2025 | 00:00:27 | -74.44, -12.13 | 109.88 | 3.10 | 25 |
| 19 | 09/11/2025 | 00:50:47 | 74.39, 155.21 | 70.10 | 09/11/2025 | 00:51:07 | 74.41, 155.13 | 70.12 | 3.15 | 20 |
| 20 | 09/11/2025 | 01:41:32 | -74.42, -37.55 | 109.86 | 09/11/2025 | 01:41:49 | -74.43, -37.51 | 109.86 | 1.21 | 17 |
| 21 | 09/11/2025 | 02:32:17 | 74.40, 129.81 | 70.13 | 09/11/2025 | 02:32:29 | 74.40, 129.75 | 70.13 | 1.83 | 12 |
| 22 | 09/11/2025 | 03:23:02 | -74.43, -62.94 | 109.83 | 09/11/2025 | 03:23:11 | -74.41, -62.89 | 109.85 | 2.30 | 9 |
| 23 | 09/11/2025 | 04:13:47 | 74.41, 104.42 | 70.17 | 09/11/2025 | 04:13:51 | 74.38, 104.37 | 70.15 | 3.01 | 4 |
| 24 | 09/11/2025 | 05:04:31 | -74.39, -88.21 | 109.85 | 09/11/2025 | 05:04:33 | -74.40, -88.27 | 109.84 | 2.27 | 2 |
| 25 | 09/11/2025 | 05:55:17 | 74.41, 79.03 | 70.20 | 09/11/2025 | 05:55:12 | 74.42, 79.12 | 70.20 | 2.79 | 5 |
| 26 | 09/11/2025 | 06:46:01 | -74.39,-113.60 | 109.82 | 09/11/2025 | 06:45:55 | -74.38,-113.65 | 109.82 | 1.93 | 6 |
| 27 | 09/11/2025 | 07:36:46 | 74.37, 53.76 | 70.18 | 09/11/2025 | 07:36:34 | 74.40, 53.74 | 70.21 | 3.39 | 12 |
| 28 | 09/11/2025 | 08:27:31 | -74.40,-138.99 | 109.78 | 09/11/2025 | 08:27:16 | -74.42,-138.90 | 109.77 | 3.21 | 15 |
| 29 | 09/11/2025 | 09:18:16 | 74.38, 28.37 | 70.22 | 09/11/2025 | 09:17:56 | 74.39, 28.36 | 70.23 | 0.90 | 20 |
| 30 | 09/11/2025 | 10:09:01 | -74.41,-164.38 | 109.75 | 09/11/2025 | 10:08:38 | -74.40,-164.28 | 109.75 | 3.12 | 23 |
| 31 | 09/11/2025 | 10:59:46 | 74.39, 2.98 | 70.25 | 09/11/2025 | 10:59:18 | 74.37, 2.98 | 70.24 | 1.59 | 28 |
| 32 | 09/11/2025 | 11:50:30 | -74.36, 170.35 | 109.77 | 09/11/2025 | 11:50:00 | -74.39, 170.34 | 109.74 | 2.40 | 30 |
| 33 | 09/11/2025 | 12:41:15 | 74.35, -22.29 | 70.23 | 09/11/2025 | 12:40:40 | 74.36, -22.39 | 70.26 | 3.48 | 35 |
| 34 | 09/11/2025 | 13:32:00 | -74.37, 144.96 | 109.73 | 09/11/2025 | 13:31:22 | -74.37, 144.96 | 109.72 | 0.12 | 38 |
| 35 | 09/11/2025 | 14:22:45 | 74.35, -47.68 | 70.26 | 09/11/2025 | 14:22:02 | 74.34, -47.77 | 70.27 | 2.97 | 43 |
| 36 | 09/11/2025 | 15:13:30 | -74.38, 119.57 | 109.70 | 09/11/2025 | 15:12:44 | -74.36, 119.58 | 109.71 | 2.52 | 46 |
| 37 | 09/11/2025 | 16:04:15 | 74.36, -73.07 | 70.30 | 09/11/2025 | 16:03:23 | 74.38, -73.03 | 70.33 | 2.40 | 52 |
| 38 | 09/11/2025 | 16:54:59 | -74.34, 94.30 | 109.72 | 09/11/2025 | 16:54:06 | -74.34, 94.21 | 109.70 | 2.88 | 53 |
| 39 | 09/11/2025 | 17:45:45 | 74.37, -98.47 | 70.33 | 09/11/2025 | 17:44:45 | 74.36, -98.41 | 70.34 | 1.88 | 60 |
| 40 | 09/11/2025 | 18:36:29 | -74.34, 68.91 | 109.68 | 09/11/2025 | 18:35:28 | -74.33, 68.83 | 109.68 | 3.07 | 61 |
| 41 | 09/11/2025 | 19:27:14 | 74.33,-123.73 | 70.31 | 09/11/2025 | 19:26:07 | 74.35,-123.79 | 70.35 | 2.92 | 67 |
| 42 | 09/11/2025 | 20:17:59 | -74.35, 43.51 | 109.65 | 09/11/2025 | 20:16:49 | -74.36, 43.57 | 109.63 | 2.07 | 70 |
| 43 | 09/11/2025 | 21:08:44 | 74.33,-149.13 | 70.35 | 09/11/2025 | 21:07:29 | 74.33,-149.16 | 70.37 | 1.16 | 75 |
| 44 | 09/11/2025 | 21:59:27 | -74.26, 18.37 | 109.72 | 09/11/2025 | 21:58:13 | -74.25, 17.95 | 109.70 | 12.93 | 74 |
| 45 | 09/11/2025 | 22:50:07 | 74.00,-173.65 | 70.00 | 09/11/2025 | 22:48:57 | 74.02,-175.28 | 70.13 | 49.85 | 70 |
| 46 | 09/11/2025 | 23:40:50 | -73.93, -6.16 | 110.07 | 09/11/2025 | 23:39:41 | -73.94, -8.15 | 109.93 | 61.27 | 69 |
| 47 | 09/12/2025 | 00:31:31 | 73.71, 161.67 | 69.71 | 09/12/2025 | 00:30:25 | 73.71, 158.64 | 69.90 | 94.63 | 66 |
Figure of NOAA-20 and METOP-B satellite orbits during SNOs since TLE Epoch: 9/3/2025
Download SNOs between NOAA-20 and METOP-B since TLE EPOCH: 09/03/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and METOP-B