Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-9 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 (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 09/04/2025 | 14:53:14 | 70.38, -47.63 | 63.40 | 09/04/2025 | 14:54:24 | 70.28, -46.84 | 63.27 | 31.55 | 70 |
| 2 | 09/04/2025 | 15:43:50 | -69.97, 120.33 | 117.02 | 09/04/2025 | 15:43:58 | -69.95, 120.31 | 117.05 | 2.62 | 8 |
| 3 | 09/04/2025 | 16:34:34 | 69.86, -72.20 | 62.88 | 09/04/2025 | 16:33:25 | 69.85, -72.18 | 62.87 | 1.86 | 69 |
| 4 | 09/07/2025 | 07:10:01 | 70.03, 68.70 | 64.02 | 09/07/2025 | 07:10:59 | 70.01, 68.65 | 64.00 | 2.90 | 58 |
| 5 | 09/07/2025 | 08:00:43 | -69.93,-123.83 | 116.08 | 09/07/2025 | 08:00:28 | -69.95,-123.80 | 116.05 | 3.16 | 15 |
| 6 | 09/07/2025 | 08:51:15 | 69.19, 44.56 | 63.18 | 09/07/2025 | 08:50:06 | 69.24, 42.88 | 63.28 | 66.51 | 69 |
| 7 | 09/09/2025 | 23:26:54 | 70.00,-175.47 | 65.00 | 09/09/2025 | 23:27:29 | 69.98,-175.52 | 64.97 | 2.95 | 35 |
| 8 | 09/10/2025 | 00:17:36 | -69.89, -7.99 | 115.11 | 09/10/2025 | 00:16:59 | -69.87, -8.03 | 115.13 | 3.09 | 37 |
| 9 | 09/12/2025 | 14:53:14 | -70.65, 131.98 | 113.34 | 09/12/2025 | 14:54:23 | -70.51, 133.49 | 113.51 | 57.86 | 69 |
| 10 | 09/12/2025 | 15:43:46 | 69.98, -59.66 | 65.99 | 09/12/2025 | 15:43:57 | 69.96, -59.65 | 65.97 | 1.64 | 11 |
| 11 | 09/12/2025 | 16:34:28 | -69.87, 107.83 | 114.12 | 09/12/2025 | 16:33:27 | -69.86, 107.83 | 114.13 | 1.12 | 61 |
| 12 | 09/15/2025 | 07:09:55 | -70.05,-111.29 | 112.93 | 09/15/2025 | 07:10:59 | -70.03,-111.32 | 112.96 | 3.25 | 64 |
| 13 | 09/15/2025 | 08:00:38 | 69.91, 56.23 | 66.94 | 09/15/2025 | 08:00:26 | 69.91, 56.16 | 66.94 | 2.48 | 12 |
| 14 | 09/15/2025 | 08:51:13 | -69.43,-135.74 | 113.54 | 09/15/2025 | 08:50:02 | -69.48,-136.80 | 113.47 | 41.61 | 71 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/3/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 09/03/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9