Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and AQUA Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/9/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (AQUA) | Time (AQUA) | Lat,Lon (AQUA) | SZA (AQUA ) | Distance(km) | Time Diff (sec) |
| 1 | 09/11/2025 | 00:55:24 | -81.28, -77.64 | 98.46 | 09/11/2025 | 00:56:20 | -81.29, -77.81 | 98.47 | 2.84 | 56 |
| 2 | 09/11/2025 | 01:46:09 | 81.28, 89.65 | 81.56 | 09/11/2025 | 01:45:38 | 81.28, 89.69 | 81.57 | 0.91 | 31 |
| 3 | 09/13/2025 | 10:26:18 | -81.28, 139.75 | 97.60 | 09/13/2025 | 10:26:57 | -81.29, 139.64 | 97.60 | 1.89 | 39 |
| 4 | 09/13/2025 | 11:17:03 | 81.28, -52.95 | 82.42 | 09/13/2025 | 11:16:15 | 81.28, -52.90 | 82.44 | 1.00 | 48 |
| 5 | 09/15/2025 | 19:57:13 | -81.29, -3.29 | 96.67 | 09/15/2025 | 19:57:34 | -81.28, -3.16 | 96.70 | 2.30 | 21 |
| 6 | 09/15/2025 | 20:47:56 | 81.28, 164.80 | 83.24 | 09/15/2025 | 20:46:51 | 81.28, 164.64 | 83.30 | 2.83 | 65 |
| 7 | 09/18/2025 | 05:28:06 | -81.28,-145.58 | 95.84 | 09/18/2025 | 05:28:09 | -81.29,-145.45 | 95.86 | 2.41 | 3 |
| 8 | 09/20/2025 | 14:08:16 | 81.28, -95.92 | 85.08 | 09/20/2025 | 14:09:26 | 81.29, -95.73 | 85.02 | 3.24 | 70 |
| 9 | 09/20/2025 | 14:59:00 | -81.28, 71.71 | 94.95 | 09/20/2025 | 14:58:45 | -81.27, 71.62 | 94.94 | 1.63 | 15 |
| 10 | 09/22/2025 | 23:39:10 | 81.28, 121.34 | 85.98 | 09/22/2025 | 23:40:01 | 81.28, 121.44 | 85.93 | 1.81 | 51 |
Figure of NOAA-21 and AQUA satellite orbits during SNOs since TLE Epoch: 9/9/2025
Download SNOs between NOAA-21 and AQUA since TLE EPOCH: 09/09/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and AQUA