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: 3/15/2025
| 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 | -69.97,-123.78 | 108.03 | 03/15/2025 | 08:00:15 | -70.00,-123.80 | 108.01 | 3.16 | 49 |
| 2 | 03/15/2025 | 08:50:11 | 69.88, 43.66 | 71.87 | 03/15/2025 | 08:49:42 | 69.90, 43.70 | 71.88 | 1.86 | 29 |
| 3 | 03/17/2025 | 23:25:51 | 70.89,-176.77 | 71.90 | 03/17/2025 | 23:26:57 | 70.80,-174.37 | 71.71 | 88.22 | 66 |
| 4 | 03/18/2025 | 00:16:17 | -69.99, -8.01 | 109.08 | 03/18/2025 | 00:16:40 | -69.97, -7.95 | 109.10 | 2.86 | 23 |
| 5 | 03/18/2025 | 01:07:01 | 69.85, 159.50 | 70.77 | 03/18/2025 | 01:06:07 | 69.87, 159.55 | 70.79 | 2.66 | 54 |
| 6 | 03/20/2025 | 15:42:26 | 70.03, -59.61 | 69.92 | 03/20/2025 | 15:43:36 | 70.00, -59.64 | 69.88 | 3.27 | 70 |
| 7 | 03/20/2025 | 16:33:07 | -69.91, 107.89 | 110.22 | 03/20/2025 | 16:33:06 | -69.89, 107.83 | 110.24 | 3.08 | 1 |
| 8 | 03/20/2025 | 17:23:48 | 69.62, -84.37 | 69.46 | 03/20/2025 | 17:22:35 | 69.67, -84.83 | 69.54 | 18.71 | 73 |
| 9 | 03/23/2025 | 07:59:16 | 69.97, 56.27 | 68.80 | 03/23/2025 | 08:00:00 | 69.97, 56.21 | 68.79 | 2.19 | 44 |
| 10 | 03/23/2025 | 08:49:58 | -69.90,-136.31 | 111.30 | 03/23/2025 | 08:49:29 | -69.92,-136.23 | 111.28 | 3.22 | 29 |
| 11 | 03/25/2025 | 23:25:37 | -70.84, 3.38 | 111.34 | 03/25/2025 | 23:26:44 | -70.71, 5.54 | 111.56 | 80.76 | 67 |
| 12 | 03/26/2025 | 00:16:06 | 69.93, 172.12 | 67.69 | 03/26/2025 | 00:16:23 | 69.94, 172.07 | 67.69 | 2.30 | 17 |
| 13 | 03/26/2025 | 01:06:48 | -69.86, -20.45 | 112.41 | 03/26/2025 | 01:05:53 | -69.83, -20.45 | 112.43 | 3.11 | 55 |
| 14 | 03/28/2025 | 15:42:11 | -70.02, 120.47 | 113.26 | 03/28/2025 | 15:43:17 | -70.02, 120.44 | 113.27 | 1.06 | 66 |
| 15 | 03/28/2025 | 16:32:55 | 69.90, -72.04 | 66.61 | 03/28/2025 | 16:32:44 | 69.90, -72.08 | 66.60 | 1.49 | 11 |
| 16 | 03/28/2025 | 17:23:30 | -69.45, 95.94 | 113.88 | 03/28/2025 | 17:22:19 | -69.52, 95.03 | 113.78 | 35.94 | 71 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/15/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/15/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9