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: 3/6/2025
| 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 | 03/07/2025 | 07:59:36 | 69.97, 56.19 | 75.13 | 03/07/2025 | 08:00:18 | 69.97, 56.15 | 75.12 | 1.26 | 42 |
| 2 | 03/07/2025 | 08:50:17 | -69.85,-136.32 | 105.01 | 03/07/2025 | 08:49:48 | -69.85,-136.37 | 105.00 | 1.88 | 29 |
| 3 | 03/09/2025 | 23:26:00 | -70.92, 3.15 | 104.90 | 03/09/2025 | 23:27:06 | -70.81, 5.62 | 105.12 | 91.06 | 66 |
| 4 | 03/10/2025 | 00:16:28 | 69.95, 172.00 | 74.06 | 03/10/2025 | 00:16:47 | 69.94, 171.99 | 74.04 | 0.94 | 19 |
| 5 | 03/10/2025 | 01:07:09 | -69.83, -20.50 | 106.09 | 03/10/2025 | 01:06:17 | -69.83, -20.52 | 106.08 | 0.97 | 52 |
| 6 | 03/12/2025 | 15:42:36 | -70.07, 120.30 | 106.87 | 03/12/2025 | 15:43:48 | -70.04, 120.37 | 106.91 | 3.97 | 72 |
| 7 | 03/12/2025 | 16:33:20 | 69.93, -72.19 | 72.98 | 03/12/2025 | 16:33:15 | 69.93, -72.14 | 72.98 | 2.14 | 5 |
| 8 | 03/12/2025 | 17:23:59 | -69.71, 95.46 | 107.27 | 03/12/2025 | 17:22:46 | -69.77, 95.27 | 107.19 | 10.16 | 73 |
| 9 | 03/15/2025 | 07:59:27 | -70.01,-123.83 | 107.99 | 03/15/2025 | 08:00:16 | -70.00,-123.80 | 108.01 | 1.15 | 49 |
| 10 | 03/15/2025 | 08:50:11 | 69.88, 43.68 | 71.86 | 03/15/2025 | 08:49:43 | 69.89, 43.69 | 71.87 | 1.56 | 28 |
| 11 | 03/15/2025 | 09:40:35 | -68.85,-147.54 | 109.23 | 03/15/2025 | 09:39:29 | -68.90,-149.99 | 109.07 | 98.30 | 66 |
| 12 | 03/17/2025 | 23:25:52 | 70.92,-176.82 | 71.93 | 03/17/2025 | 23:26:58 | 70.85,-174.29 | 71.76 | 92.38 | 66 |
| 13 | 03/18/2025 | 00:16:17 | -69.95, -7.96 | 109.11 | 03/18/2025 | 00:16:42 | -69.98, -7.94 | 109.09 | 3.31 | 25 |
| 14 | 03/18/2025 | 01:07:01 | 69.83, 159.54 | 70.74 | 03/18/2025 | 01:06:10 | 69.81, 159.47 | 70.74 | 3.13 | 51 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/6/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/06/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9