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: 3/31/2025
| 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 | 03/31/2025 | 07:59:01 | -70.05,-123.78 | 114.27 | 03/31/2025 | 08:00:04 | -70.06,-123.71 | 114.28 | 2.81 | 63 |
| 2 | 03/31/2025 | 08:49:45 | 69.92, 43.72 | 65.58 | 03/31/2025 | 08:49:32 | 69.90, 43.71 | 65.56 | 2.46 | 13 |
| 3 | 03/31/2025 | 09:40:19 | -69.43,-148.24 | 114.95 | 03/31/2025 | 09:39:08 | -69.46,-149.26 | 114.88 | 40.03 | 71 |
| 4 | 04/03/2025 | 00:15:49 | -70.01, -7.92 | 115.35 | 04/03/2025 | 00:16:30 | -70.03, -7.87 | 115.35 | 2.87 | 41 |
| 5 | 04/03/2025 | 01:06:33 | 69.88, 159.58 | 64.50 | 04/03/2025 | 01:05:58 | 69.87, 159.55 | 64.49 | 2.23 | 35 |
| 6 | 04/05/2025 | 15:42:09 | 70.74, -60.60 | 64.41 | 04/05/2025 | 15:43:17 | 70.61, -58.76 | 64.21 | 69.03 | 68 |
| 7 | 04/05/2025 | 16:32:38 | -69.98, 107.92 | 116.41 | 04/05/2025 | 16:32:57 | -69.95, 107.92 | 116.44 | 3.13 | 19 |
| 8 | 04/05/2025 | 17:23:22 | 69.86, -84.59 | 63.45 | 04/05/2025 | 17:22:24 | 69.84, -84.59 | 63.44 | 2.02 | 58 |
| 9 | 04/08/2025 | 07:58:45 | 70.04, 56.30 | 62.66 | 04/08/2025 | 07:59:52 | 70.05, 56.31 | 62.65 | 0.32 | 67 |
| 10 | 04/08/2025 | 08:49:27 | -69.96,-136.25 | 117.44 | 04/08/2025 | 08:49:22 | -69.94,-136.21 | 117.47 | 3.09 | 5 |
| 11 | 04/08/2025 | 09:40:05 | 69.53, 31.70 | 62.10 | 04/08/2025 | 09:38:53 | 69.60, 30.97 | 62.20 | 29.30 | 72 |
| 12 | 04/11/2025 | 00:15:33 | 69.99, 172.18 | 61.61 | 04/11/2025 | 00:16:17 | 69.99, 172.12 | 61.60 | 2.54 | 44 |
| 13 | 04/11/2025 | 01:06:15 | -69.90, -20.37 | 118.50 | 04/11/2025 | 01:05:47 | -69.88, -20.40 | 118.52 | 3.01 | 28 |
| 14 | 04/13/2025 | 15:41:52 | -70.89, 119.24 | 118.42 | 04/13/2025 | 15:42:59 | -70.82, 121.59 | 118.57 | 86.26 | 67 |
| 15 | 04/13/2025 | 16:32:21 | 70.01, -72.04 | 60.64 | 04/13/2025 | 16:32:39 | 69.99, -71.98 | 60.62 | 3.05 | 18 |
| 16 | 04/13/2025 | 17:23:02 | -69.86, 95.50 | 119.53 | 04/13/2025 | 17:22:09 | -69.88, 95.51 | 119.50 | 2.62 | 53 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/31/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/31/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9