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: 3/29/2025
| 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 | -70.06,-123.80 | 114.26 | 03/31/2025 | 08:00:04 | -70.05,-123.72 | 114.29 | 3.22 | 63 |
| 2 | 03/31/2025 | 08:49:45 | 69.93, 43.71 | 65.59 | 03/31/2025 | 08:49:31 | 69.94, 43.77 | 65.60 | 2.52 | 14 |
| 3 | 03/31/2025 | 09:40:19 | -69.44,-148.25 | 114.94 | 03/31/2025 | 09:39:07 | -69.50,-149.20 | 114.84 | 37.61 | 72 |
| 4 | 04/03/2025 | 00:15:50 | -70.02, -7.94 | 115.34 | 04/03/2025 | 00:16:31 | -70.00, -7.90 | 115.37 | 2.44 | 41 |
| 5 | 04/03/2025 | 01:06:34 | 69.90, 159.56 | 64.52 | 04/03/2025 | 01:05:58 | 69.89, 159.59 | 64.52 | 1.28 | 36 |
| 6 | 04/05/2025 | 15:42:08 | 70.70, -60.54 | 64.37 | 04/05/2025 | 15:43:16 | 70.62, -58.75 | 64.21 | 66.42 | 68 |
| 7 | 04/05/2025 | 16:32:37 | -69.94, 107.98 | 116.45 | 04/05/2025 | 16:32:56 | -69.96, 107.93 | 116.44 | 2.82 | 19 |
| 8 | 04/05/2025 | 17:23:21 | 69.82, -84.53 | 63.41 | 04/05/2025 | 17:22:23 | 69.84, -84.59 | 63.44 | 3.27 | 58 |
| 9 | 04/08/2025 | 07:58:45 | 70.06, 56.27 | 62.68 | 04/08/2025 | 07:59:50 | 70.07, 56.35 | 62.68 | 3.12 | 65 |
| 10 | 04/08/2025 | 08:49:26 | -69.93,-136.20 | 117.48 | 04/08/2025 | 08:49:21 | -69.91,-136.24 | 117.49 | 2.20 | 5 |
| 11 | 04/08/2025 | 09:40:04 | 69.49, 31.75 | 62.06 | 04/08/2025 | 09:38:53 | 69.52, 30.87 | 62.12 | 34.40 | 71 |
| 12 | 04/11/2025 | 00:15:33 | 70.02, 172.15 | 61.64 | 04/11/2025 | 00:16:14 | 70.02, 172.18 | 61.64 | 1.61 | 41 |
| 13 | 04/11/2025 | 01:06:15 | -69.93, -20.40 | 118.48 | 04/11/2025 | 01:05:44 | -69.92, -20.33 | 118.48 | 2.76 | 31 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/29/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/29/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9