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: 3/8/2025
| 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 | 03/09/2025 | 23:25:59 | -70.88, 3.22 | 104.95 | 03/09/2025 | 23:27:06 | -70.80, 5.61 | 105.13 | 87.71 | 67 |
| 2 | 03/10/2025 | 00:16:28 | 69.95, 171.99 | 74.07 | 03/10/2025 | 00:16:47 | 69.93, 171.98 | 74.04 | 2.58 | 19 |
| 3 | 03/10/2025 | 01:07:09 | -69.84, -20.52 | 106.08 | 03/10/2025 | 01:06:17 | -69.82, -20.54 | 106.09 | 2.22 | 52 |
| 4 | 03/12/2025 | 15:42:36 | -70.08, 120.28 | 106.85 | 03/12/2025 | 15:43:48 | -70.03, 120.36 | 106.92 | 6.07 | 72 |
| 5 | 03/12/2025 | 16:33:20 | 69.94, -72.21 | 73.00 | 03/12/2025 | 16:33:15 | 69.93, -72.15 | 72.97 | 3.27 | 5 |
| 6 | 03/12/2025 | 17:23:59 | -69.72, 95.44 | 107.26 | 03/12/2025 | 17:22:46 | -69.76, 95.26 | 107.20 | 8.38 | 73 |
| 7 | 03/15/2025 | 07:59:26 | -69.97,-123.77 | 108.03 | 03/15/2025 | 08:00:16 | -70.00,-123.81 | 108.01 | 3.10 | 50 |
| 8 | 03/15/2025 | 08:50:11 | 69.89, 43.66 | 71.88 | 03/15/2025 | 08:49:43 | 69.89, 43.68 | 71.87 | 1.25 | 28 |
| 9 | 03/15/2025 | 09:40:35 | -68.87,-147.56 | 109.21 | 03/15/2025 | 09:39:29 | -68.90,-150.00 | 109.08 | 97.51 | 66 |
| 10 | 03/17/2025 | 23:25:53 | 70.94,-176.85 | 71.95 | 03/17/2025 | 23:26:59 | 70.85,-174.29 | 71.76 | 93.73 | 66 |
| 11 | 03/18/2025 | 00:16:18 | -69.98, -8.00 | 109.09 | 03/18/2025 | 00:16:43 | -69.98, -7.94 | 109.09 | 2.07 | 25 |
| 12 | 03/18/2025 | 01:07:02 | 69.85, 159.51 | 70.77 | 03/18/2025 | 01:06:10 | 69.87, 159.54 | 70.79 | 2.41 | 52 |
| 13 | 03/20/2025 | 15:42:27 | 70.07, -59.67 | 69.96 | 03/20/2025 | 15:43:39 | 70.03, -59.61 | 69.91 | 4.51 | 72 |
| 14 | 03/20/2025 | 16:33:08 | -69.94, 107.84 | 110.19 | 03/20/2025 | 16:33:09 | -69.93, 107.88 | 110.21 | 1.71 | 1 |
| 15 | 03/20/2025 | 17:23:50 | 69.71, -84.50 | 69.55 | 03/20/2025 | 17:22:37 | 69.76, -84.72 | 69.62 | 9.95 | 73 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/8/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/08/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9