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: 8/5/2025
| 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 | 08/06/2025 | 07:10:10 | 69.98, 68.69 | 53.38 | 08/06/2025 | 07:10:45 | 70.01, 68.67 | 53.40 | 3.13 | 35 |
| 2 | 08/06/2025 | 08:00:52 | -69.91,-123.89 | 126.69 | 08/06/2025 | 08:00:15 | -69.90,-123.85 | 126.70 | 1.74 | 37 |
| 3 | 08/08/2025 | 22:36:32 | -70.69, 16.04 | 125.14 | 08/08/2025 | 22:37:41 | -70.57, 17.72 | 125.33 | 63.15 | 69 |
| 4 | 08/08/2025 | 23:27:05 | 69.99,-175.54 | 54.13 | 08/08/2025 | 23:27:17 | 69.98,-175.50 | 54.12 | 1.76 | 12 |
| 5 | 08/09/2025 | 00:17:46 | -69.86, -8.03 | 126.00 | 08/09/2025 | 00:16:47 | -69.87, -8.02 | 125.98 | 1.65 | 59 |
| 6 | 08/11/2025 | 14:53:14 | -70.06, 132.81 | 125.02 | 08/11/2025 | 14:54:21 | -70.04, 132.81 | 125.06 | 2.99 | 67 |
| 7 | 08/11/2025 | 15:43:58 | 69.94, -59.70 | 54.87 | 08/11/2025 | 15:43:48 | 69.93, -59.70 | 54.85 | 1.38 | 10 |
| 8 | 08/11/2025 | 16:34:34 | -69.54, 108.21 | 125.55 | 08/11/2025 | 16:33:22 | -69.60, 107.49 | 125.45 | 29.05 | 72 |
| 9 | 08/14/2025 | 07:10:08 | -70.02,-111.34 | 124.26 | 08/14/2025 | 07:10:52 | -70.03,-111.33 | 124.26 | 1.34 | 44 |
| 10 | 08/14/2025 | 08:00:52 | 69.90, 56.14 | 55.63 | 08/14/2025 | 08:00:19 | 69.92, 56.16 | 55.65 | 2.06 | 33 |
| 11 | 08/16/2025 | 22:36:34 | 70.80,-164.13 | 57.40 | 08/16/2025 | 22:37:42 | 70.70,-162.09 | 57.22 | 75.76 | 68 |
| 12 | 08/16/2025 | 23:27:02 | -69.97, 4.50 | 123.47 | 08/16/2025 | 23:27:23 | -70.00, 4.51 | 123.45 | 3.10 | 21 |
| 13 | 08/17/2025 | 00:17:46 | 69.86, 171.98 | 56.43 | 08/17/2025 | 00:16:50 | 69.89, 172.00 | 56.46 | 2.99 | 56 |
| 14 | 08/19/2025 | 14:53:14 | 70.03, -47.13 | 57.45 | 08/19/2025 | 14:54:24 | 70.05, -47.16 | 57.46 | 2.66 | 70 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 8/5/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 08/05/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9