Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/27/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
| 1 | 10/29/2025 | 07:35:21 | 70.00, 62.50 | 83.46 | 10/29/2025 | 07:35:46 | 70.03, 62.46 | 83.48 | 2.86 | 25 |
| 2 | 10/29/2025 | 08:26:03 | -69.92,-130.06 | 96.61 | 10/29/2025 | 08:25:16 | -69.92,-130.06 | 96.62 | 0.68 | 47 |
| 3 | 10/31/2025 | 23:01:38 | -70.10, 10.80 | 95.59 | 10/31/2025 | 23:02:50 | -70.08, 10.76 | 95.61 | 2.66 | 72 |
| 4 | 10/31/2025 | 23:52:22 | 69.96, 178.31 | 84.29 | 10/31/2025 | 23:52:17 | 69.97, 178.25 | 84.29 | 2.28 | 5 |
| 5 | 11/01/2025 | 00:43:01 | -69.72, -14.01 | 95.94 | 11/01/2025 | 00:41:48 | -69.81, -14.34 | 95.86 | 15.58 | 73 |
| 6 | 11/03/2025 | 15:18:39 | -70.06, 126.60 | 94.78 | 11/03/2025 | 15:19:20 | -70.04, 126.59 | 94.80 | 2.04 | 41 |
| 7 | 11/03/2025 | 16:09:23 | 69.93, -65.89 | 85.10 | 11/03/2025 | 16:08:47 | 69.93, -65.92 | 85.10 | 1.28 | 36 |
| 8 | 11/06/2025 | 06:45:04 | 70.43, 74.46 | 86.40 | 11/06/2025 | 06:46:15 | 70.35, 75.29 | 86.32 | 32.33 | 71 |
| 9 | 11/06/2025 | 07:35:40 | -70.03,-117.60 | 94.00 | 11/06/2025 | 07:35:49 | -70.03,-117.54 | 94.00 | 2.45 | 9 |
| 10 | 11/06/2025 | 08:26:24 | 69.90, 49.90 | 85.89 | 11/06/2025 | 08:25:16 | 69.92, 49.94 | 85.90 | 2.35 | 68 |
| 11 | 11/08/2025 | 23:01:58 | 70.10,-169.27 | 86.85 | 11/08/2025 | 23:02:47 | 70.09,-169.21 | 86.84 | 2.65 | 49 |
| 12 | 11/08/2025 | 23:52:39 | -69.96, -1.74 | 93.29 | 11/08/2025 | 23:52:17 | -69.99, -1.71 | 93.26 | 3.36 | 22 |
Figure of NOAA-20 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 10/27/2025
Download SNOs between NOAA-20 and LANDSAT-8 since TLE EPOCH: 10/27/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-8