Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and METOP-B Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/9/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (METOP-B) | Time (METOP-B) | Lat,Lon (METOP-B) | SZA (METOP-B ) | Distance(km) | Time Diff (sec) |
| 1 | 06/23/2025 | 07:38:01 | -74.94,-127.81 | 128.06 | 06/23/2025 | 07:39:07 | -74.86,-124.70 | 128.36 | 90.79 | 66 |
| 2 | 06/23/2025 | 08:28:42 | 74.69, 40.18 | 51.66 | 06/23/2025 | 08:29:51 | 74.63, 42.03 | 51.46 | 55.00 | 69 |
| 3 | 06/23/2025 | 09:19:24 | -74.60,-152.27 | 128.45 | 06/23/2025 | 09:20:35 | -74.54,-150.87 | 128.62 | 41.84 | 71 |
| 4 | 06/23/2025 | 10:10:05 | 74.35, 15.70 | 51.27 | 06/23/2025 | 10:11:19 | 74.32, 15.88 | 51.20 | 6.83 | 74 |
| 5 | 06/23/2025 | 11:00:48 | -74.32,-176.89 | 128.78 | 06/23/2025 | 11:02:01 | -74.33,-176.77 | 128.79 | 3.60 | 73 |
| 6 | 06/23/2025 | 11:51:34 | 74.31, -9.56 | 51.22 | 06/23/2025 | 11:52:41 | 74.29, -9.52 | 51.18 | 2.03 | 67 |
| 7 | 06/23/2025 | 12:42:18 | -74.32, 157.73 | 128.77 | 06/23/2025 | 12:43:23 | -74.30, 157.83 | 128.81 | 3.42 | 65 |
| 8 | 06/23/2025 | 13:33:03 | 74.26, -34.82 | 51.17 | 06/23/2025 | 13:34:03 | 74.27, -34.92 | 51.17 | 3.27 | 60 |
| 9 | 06/23/2025 | 14:23:47 | -74.27, 132.47 | 128.82 | 06/23/2025 | 14:24:45 | -74.28, 132.43 | 128.83 | 1.53 | 58 |
| 10 | 06/23/2025 | 15:14:33 | 74.26, -60.20 | 51.17 | 06/23/2025 | 15:15:24 | 74.30, -60.19 | 51.19 | 3.42 | 51 |
| 11 | 06/23/2025 | 16:05:17 | -74.28, 107.09 | 128.82 | 06/23/2025 | 16:06:07 | -74.26, 107.03 | 128.84 | 2.73 | 50 |
| 12 | 06/23/2025 | 16:56:03 | 74.27, -85.58 | 51.18 | 06/23/2025 | 16:56:46 | 74.27, -85.59 | 51.17 | 0.65 | 43 |
| 13 | 06/23/2025 | 17:46:47 | -74.28, 81.71 | 128.81 | 06/23/2025 | 17:47:28 | -74.28, 81.76 | 128.82 | 1.54 | 41 |
| 14 | 06/23/2025 | 18:37:33 | 74.27,-110.96 | 51.18 | 06/23/2025 | 18:38:08 | 74.25,-110.99 | 51.16 | 2.53 | 35 |
| 15 | 06/23/2025 | 19:28:17 | -74.28, 56.33 | 128.81 | 06/23/2025 | 19:28:50 | -74.26, 56.36 | 128.84 | 2.55 | 33 |
| 16 | 06/23/2025 | 20:19:03 | 74.27,-136.34 | 51.19 | 06/23/2025 | 20:19:29 | 74.28,-136.27 | 51.18 | 2.39 | 26 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 6/9/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 06/09/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B