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: 3/7/2025
| 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 | 07:59:37 | 69.98, 56.17 | 75.14 | 03/07/2025 | 08:00:19 | 69.96, 56.14 | 75.11 | 2.38 | 42 |
| 2 | 03/07/2025 | 08:50:18 | -69.86,-136.33 | 105.00 | 03/07/2025 | 08:49:49 | -69.85,-136.38 | 105.01 | 2.58 | 29 |
| 3 | 03/09/2025 | 23:26:00 | -70.93, 3.13 | 104.89 | 03/09/2025 | 23:27:06 | -70.81, 5.62 | 105.12 | 91.65 | 66 |
| 4 | 03/10/2025 | 00:16:28 | 69.96, 171.99 | 74.07 | 03/10/2025 | 00:16:47 | 69.94, 171.99 | 74.04 | 2.07 | 19 |
| 5 | 03/10/2025 | 01:07:09 | -69.84, -20.52 | 106.08 | 03/10/2025 | 01:06:17 | -69.83, -20.53 | 106.08 | 1.41 | 52 |
| 6 | 03/12/2025 | 15:42:36 | -70.08, 120.28 | 106.86 | 03/12/2025 | 15:43:48 | -70.05, 120.38 | 106.90 | 4.97 | 72 |
| 7 | 03/12/2025 | 16:33:19 | 69.89, -72.13 | 72.94 | 03/12/2025 | 16:33:16 | 69.88, -72.20 | 72.93 | 2.97 | 3 |
| 8 | 03/12/2025 | 17:23:59 | -69.72, 95.45 | 107.26 | 03/12/2025 | 17:22:46 | -69.78, 95.28 | 107.19 | 9.20 | 73 |
| 9 | 03/15/2025 | 07:59:27 | -70.02,-123.84 | 107.98 | 03/15/2025 | 08:00:16 | -70.02,-123.77 | 107.99 | 2.81 | 49 |
| 10 | 03/15/2025 | 08:50:11 | 69.89, 43.66 | 71.87 | 03/15/2025 | 08:49:43 | 69.91, 43.72 | 71.90 | 3.44 | 28 |
| 11 | 03/15/2025 | 09:40:35 | -68.86,-147.56 | 109.22 | 03/15/2025 | 09:39:29 | -68.92,-149.96 | 109.05 | 96.69 | 66 |
| 12 | 03/17/2025 | 23:25:54 | 70.99,-176.93 | 72.00 | 03/17/2025 | 23:26:59 | 70.89,-174.24 | 71.80 | 98.31 | 65 |
| 13 | 03/18/2025 | 00:16:18 | -69.97, -7.98 | 109.10 | 03/18/2025 | 00:16:44 | -69.97, -7.96 | 109.11 | 0.63 | 26 |
| 14 | 03/18/2025 | 01:07:02 | 69.84, 159.52 | 70.75 | 03/18/2025 | 01:06:11 | 69.85, 159.52 | 70.77 | 1.47 | 51 |
| 15 | 03/20/2025 | 15:42:28 | 70.11, -59.73 | 70.00 | 03/20/2025 | 15:43:39 | 70.09, -59.53 | 69.97 | 7.49 | 71 |
| 16 | 03/20/2025 | 16:33:08 | -69.93, 107.87 | 110.21 | 03/20/2025 | 16:33:10 | -69.94, 107.88 | 110.20 | 1.09 | 2 |
| 17 | 03/20/2025 | 17:23:51 | 69.75, -84.56 | 69.59 | 03/20/2025 | 17:22:38 | 69.76, -84.72 | 69.62 | 6.34 | 73 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/7/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/07/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9