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: 9/28/2025
| 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 | 10/01/2025 | 07:09:48 | -70.39,-111.74 | 106.39 | 10/01/2025 | 07:10:59 | -70.29,-110.96 | 106.50 | 31.15 | 71 |
| 2 | 10/01/2025 | 08:00:26 | 69.98, 56.21 | 73.21 | 10/01/2025 | 08:00:30 | 69.97, 56.22 | 73.19 | 1.37 | 4 |
| 3 | 10/01/2025 | 08:51:08 | -69.87,-136.31 | 106.89 | 10/01/2025 | 08:50:00 | -69.85,-136.30 | 106.91 | 2.38 | 68 |
| 4 | 10/03/2025 | 23:26:34 | -70.06, 4.56 | 105.69 | 10/03/2025 | 23:27:31 | -70.05, 4.58 | 105.71 | 1.66 | 57 |
| 5 | 10/04/2025 | 00:17:17 | 69.91, 172.10 | 74.18 | 10/04/2025 | 00:16:58 | 69.94, 172.08 | 74.20 | 3.23 | 19 |
| 6 | 10/04/2025 | 01:07:48 | -69.23, -19.58 | 106.51 | 10/04/2025 | 01:06:38 | -69.28, -21.19 | 106.45 | 63.41 | 70 |
| 7 | 10/06/2025 | 15:43:24 | -70.01, 120.43 | 104.72 | 10/06/2025 | 15:43:58 | -69.99, 120.39 | 104.74 | 3.06 | 34 |
| 8 | 10/06/2025 | 16:34:08 | 69.91, -72.11 | 75.20 | 10/06/2025 | 16:33:24 | 69.93, -72.05 | 75.22 | 3.04 | 44 |
| 9 | 10/09/2025 | 07:09:39 | 70.39, 68.31 | 76.68 | 10/09/2025 | 07:10:50 | 70.32, 69.12 | 76.60 | 31.35 | 71 |
| 10 | 10/09/2025 | 08:00:15 | -69.97,-123.72 | 103.74 | 10/09/2025 | 08:00:24 | -69.99,-123.71 | 103.72 | 2.40 | 9 |
| 11 | 10/09/2025 | 08:50:59 | 69.87, 43.74 | 76.19 | 10/09/2025 | 08:49:51 | 69.87, 43.77 | 76.18 | 1.28 | 68 |
| 12 | 10/11/2025 | 23:26:24 | 70.05,-175.36 | 77.34 | 10/11/2025 | 23:27:20 | 70.05,-175.36 | 77.35 | 0.58 | 56 |
| 13 | 10/12/2025 | 00:17:06 | -69.94, -7.88 | 102.76 | 10/12/2025 | 00:16:50 | -69.95, -7.87 | 102.75 | 1.16 | 16 |
| 14 | 10/12/2025 | 01:07:37 | 69.16, 160.57 | 76.48 | 10/12/2025 | 01:06:29 | 69.17, 158.72 | 76.49 | 73.39 | 68 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 9/28/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 09/28/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9