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: 3/13/2025
| 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 | 03/15/2025 | 07:59:26 | -69.99,-123.80 | 108.01 | 03/15/2025 | 08:00:15 | -69.98,-123.83 | 108.03 | 1.39 | 49 |
| 2 | 03/15/2025 | 08:50:11 | 69.90, 43.64 | 71.89 | 03/15/2025 | 08:49:42 | 69.87, 43.67 | 71.86 | 3.31 | 29 |
| 3 | 03/17/2025 | 23:25:52 | 70.91,-176.80 | 71.92 | 03/17/2025 | 23:26:58 | 70.78,-174.39 | 71.69 | 88.77 | 66 |
| 4 | 03/18/2025 | 00:16:17 | -69.95, -7.95 | 109.12 | 03/18/2025 | 00:16:41 | -69.96, -7.97 | 109.11 | 1.33 | 24 |
| 5 | 03/18/2025 | 01:07:02 | 69.87, 159.48 | 70.78 | 03/18/2025 | 01:06:08 | 69.85, 159.53 | 70.77 | 2.53 | 54 |
| 6 | 03/20/2025 | 15:42:26 | 70.04, -59.63 | 69.93 | 03/20/2025 | 15:43:35 | 70.05, -59.58 | 69.92 | 1.98 | 69 |
| 7 | 03/20/2025 | 16:33:07 | -69.92, 107.88 | 110.21 | 03/20/2025 | 16:33:05 | -69.94, 107.90 | 110.20 | 2.26 | 2 |
| 8 | 03/20/2025 | 17:23:47 | 69.58, -84.31 | 69.42 | 03/20/2025 | 17:22:35 | 69.66, -84.84 | 69.53 | 22.63 | 72 |
| 9 | 03/23/2025 | 07:59:16 | 69.98, 56.26 | 68.80 | 03/23/2025 | 08:00:00 | 69.97, 56.21 | 68.79 | 1.86 | 44 |
| 10 | 03/23/2025 | 08:49:57 | -69.85,-136.23 | 111.35 | 03/23/2025 | 08:49:30 | -69.87,-136.30 | 111.33 | 3.01 | 27 |
| 11 | 03/25/2025 | 23:25:37 | -70.84, 3.38 | 111.34 | 03/25/2025 | 23:26:44 | -70.73, 5.57 | 111.54 | 81.04 | 67 |
| 12 | 03/26/2025 | 00:16:06 | 69.93, 172.13 | 67.69 | 03/26/2025 | 00:16:23 | 69.95, 172.09 | 67.71 | 3.22 | 17 |
| 13 | 03/26/2025 | 01:06:48 | -69.85, -20.44 | 112.41 | 03/26/2025 | 01:05:53 | -69.85, -20.43 | 112.41 | 0.66 | 55 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/13/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/13/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9