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: 6/29/2025
| 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 | 06/29/2025 | 22:36:12 | 70.80,-164.11 | 47.66 | 06/29/2025 | 22:37:19 | 70.71,-162.07 | 47.48 | 75.66 | 67 |
| 2 | 06/29/2025 | 23:26:40 | -69.99, 4.50 | 133.21 | 06/29/2025 | 23:27:00 | -69.99, 4.52 | 133.21 | 1.04 | 20 |
| 3 | 06/30/2025 | 00:17:24 | 69.85, 172.01 | 46.66 | 06/30/2025 | 00:16:28 | 69.84, 171.94 | 46.65 | 3.03 | 56 |
| 4 | 07/02/2025 | 14:52:58 | 70.06, -47.18 | 47.06 | 07/02/2025 | 14:54:00 | 70.04, -47.17 | 47.03 | 2.36 | 62 |
| 5 | 07/02/2025 | 15:43:39 | -69.92, 120.34 | 133.08 | 07/02/2025 | 15:43:30 | -69.93, 120.31 | 133.08 | 1.43 | 9 |
| 6 | 07/02/2025 | 16:34:15 | 69.37, -71.53 | 46.34 | 07/02/2025 | 16:33:05 | 69.38, -72.80 | 46.41 | 49.68 | 70 |
| 7 | 07/05/2025 | 07:09:58 | 70.00, 68.66 | 47.24 | 07/05/2025 | 07:10:30 | 70.01, 68.67 | 47.24 | 0.98 | 32 |
| 8 | 07/05/2025 | 08:00:40 | -69.92,-123.90 | 132.85 | 07/05/2025 | 08:00:00 | -69.90,-123.84 | 132.86 | 2.72 | 40 |
| 9 | 07/07/2025 | 22:36:19 | -70.34, 16.58 | 132.13 | 07/07/2025 | 22:37:30 | -70.24, 17.25 | 132.26 | 27.29 | 71 |
| 10 | 07/07/2025 | 23:26:58 | 69.95,-175.51 | 47.46 | 07/07/2025 | 23:27:00 | 69.97,-175.50 | 47.48 | 2.31 | 2 |
| 11 | 07/08/2025 | 00:17:40 | -69.86, -8.07 | 132.62 | 07/08/2025 | 00:16:30 | -69.87, -8.01 | 132.61 | 2.05 | 70 |
| 12 | 07/10/2025 | 14:53:14 | -70.03, 132.81 | 132.13 | 07/10/2025 | 14:54:03 | -70.03, 132.82 | 132.13 | 0.55 | 49 |
| 13 | 07/10/2025 | 15:43:58 | 69.90, -59.68 | 47.74 | 07/10/2025 | 15:43:30 | 69.91, -59.69 | 47.76 | 1.92 | 28 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/29/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 06/29/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9