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: 3/23/2025
| 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 | 03/23/2025 | 07:59:16 | 70.01, 56.22 | 68.83 | 03/23/2025 | 08:00:05 | 70.03, 56.26 | 68.84 | 3.38 | 49 |
| 2 | 03/23/2025 | 08:49:57 | -69.89,-136.29 | 111.31 | 03/23/2025 | 08:49:35 | -69.92,-136.26 | 111.28 | 3.39 | 22 |
| 3 | 03/23/2025 | 09:40:24 | 68.85, 32.51 | 67.59 | 03/23/2025 | 09:39:18 | 68.93, 30.07 | 67.77 | 98.26 | 66 |
| 4 | 03/26/2025 | 00:16:06 | 69.98, 172.05 | 67.74 | 03/26/2025 | 00:16:35 | 69.99, 172.07 | 67.74 | 1.13 | 29 |
| 5 | 03/26/2025 | 01:06:47 | -69.86, -20.45 | 112.40 | 03/26/2025 | 01:06:05 | -69.88, -20.44 | 112.38 | 1.78 | 42 |
| 6 | 03/28/2025 | 15:42:20 | -70.52, 119.69 | 112.73 | 03/28/2025 | 15:43:30 | -70.40, 120.91 | 112.91 | 47.00 | 70 |
| 7 | 03/28/2025 | 16:32:56 | 69.97, -72.14 | 66.68 | 03/28/2025 | 16:33:03 | 69.96, -72.08 | 66.66 | 2.78 | 7 |
| 8 | 03/28/2025 | 17:23:37 | -69.85, 95.36 | 113.47 | 03/28/2025 | 17:22:33 | -69.85, 95.41 | 113.46 | 1.82 | 64 |
| 9 | 03/31/2025 | 07:58:59 | -70.00,-123.70 | 114.32 | 03/31/2025 | 08:00:02 | -70.02,-123.76 | 114.32 | 2.51 | 63 |
| 10 | 03/31/2025 | 08:49:43 | 69.88, 43.79 | 65.54 | 03/31/2025 | 08:49:29 | 69.90, 43.73 | 65.56 | 3.41 | 14 |
| 11 | 03/31/2025 | 09:40:17 | -69.38,-148.16 | 115.00 | 03/31/2025 | 09:39:06 | -69.41,-149.31 | 114.92 | 44.89 | 71 |
| 12 | 04/03/2025 | 00:15:48 | -69.98, -7.87 | 115.39 | 04/03/2025 | 00:16:27 | -69.98, -7.91 | 115.39 | 1.58 | 39 |
| 13 | 04/03/2025 | 01:06:32 | 69.86, 159.62 | 64.48 | 04/03/2025 | 01:05:54 | 69.86, 159.57 | 64.49 | 1.80 | 38 |
| 14 | 04/05/2025 | 15:42:04 | 70.53, -60.26 | 64.19 | 04/05/2025 | 15:43:14 | 70.40, -59.04 | 64.01 | 47.52 | 70 |
| 15 | 04/05/2025 | 16:32:37 | -69.98, 107.94 | 116.42 | 04/05/2025 | 16:32:50 | -69.97, 107.97 | 116.43 | 1.52 | 13 |
| 16 | 04/05/2025 | 17:23:21 | 69.86, -84.59 | 63.46 | 04/05/2025 | 17:22:17 | 69.85, -84.55 | 63.45 | 2.15 | 64 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/23/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/23/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9