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: 6/22/2025
| 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 | 06/24/2025 | 14:52:44 | -70.33, 132.46 | 133.08 | 06/24/2025 | 14:53:55 | -70.25, 133.12 | 133.20 | 26.32 | 71 |
| 2 | 06/24/2025 | 15:43:23 | 69.94, -59.63 | 46.51 | 06/24/2025 | 15:43:26 | 69.93, -59.69 | 46.50 | 3.01 | 3 |
| 3 | 06/24/2025 | 16:34:05 | -69.86, 107.82 | 133.58 | 06/24/2025 | 16:32:55 | -69.87, 107.86 | 133.56 | 2.34 | 70 |
| 4 | 06/27/2025 | 07:09:40 | -70.05,-111.36 | 133.28 | 06/27/2025 | 07:10:29 | -70.05,-111.29 | 133.30 | 2.59 | 49 |
| 5 | 06/27/2025 | 08:00:24 | 69.93, 56.15 | 46.59 | 06/27/2025 | 07:59:56 | 69.94, 56.20 | 46.60 | 2.52 | 28 |
| 6 | 06/27/2025 | 08:50:48 | -68.89,-135.04 | 134.49 | 06/27/2025 | 08:49:42 | -68.95,-137.49 | 134.33 | 98.04 | 66 |
| 7 | 06/29/2025 | 22:36:12 | 70.81,-164.13 | 47.67 | 06/29/2025 | 22:37:19 | 70.70,-162.09 | 47.47 | 75.98 | 67 |
| 8 | 06/29/2025 | 23:26:40 | -69.99, 4.49 | 133.20 | 06/29/2025 | 23:27:00 | -69.99, 4.51 | 133.21 | 0.73 | 20 |
| 9 | 06/30/2025 | 00:17:24 | 69.86, 171.99 | 46.67 | 06/30/2025 | 00:16:27 | 69.88, 172.00 | 46.69 | 2.12 | 57 |
| 10 | 07/02/2025 | 14:52:58 | 70.01, -47.11 | 47.01 | 07/02/2025 | 14:54:01 | 70.02, -47.19 | 47.01 | 3.20 | 63 |
| 11 | 07/02/2025 | 15:43:39 | -69.93, 120.34 | 133.08 | 07/02/2025 | 15:43:30 | -69.92, 120.30 | 133.08 | 1.54 | 9 |
| 12 | 07/02/2025 | 16:34:14 | 69.32, -71.47 | 46.29 | 07/02/2025 | 16:33:04 | 69.42, -72.74 | 46.45 | 51.09 | 70 |
| 13 | 07/05/2025 | 07:09:58 | 70.01, 68.64 | 47.25 | 07/05/2025 | 07:10:30 | 69.99, 68.65 | 47.22 | 1.78 | 32 |
| 14 | 07/05/2025 | 08:00:39 | -69.87,-123.82 | 132.90 | 07/05/2025 | 08:00:00 | -69.90,-123.86 | 132.87 | 3.30 | 39 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/22/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 06/22/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9