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: 4/5/2025
| 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 | 04/05/2025 | 15:42:17 | 70.56, -60.35 | 64.21 | 04/05/2025 | 15:43:27 | 70.44, -59.05 | 64.04 | 49.94 | 70 |
| 2 | 04/05/2025 | 16:32:49 | -69.96, 107.91 | 116.44 | 04/05/2025 | 16:33:04 | -69.95, 107.88 | 116.45 | 1.44 | 15 |
| 3 | 04/05/2025 | 17:23:34 | 69.87, -84.65 | 63.46 | 04/05/2025 | 17:22:31 | 69.84, -84.62 | 63.44 | 3.11 | 63 |
| 4 | 04/08/2025 | 07:59:07 | 70.05, 56.20 | 62.67 | 04/08/2025 | 08:00:06 | 70.04, 56.24 | 62.64 | 1.70 | 59 |
| 5 | 04/08/2025 | 08:49:48 | -69.92,-136.28 | 117.49 | 04/08/2025 | 08:49:36 | -69.93,-136.28 | 117.47 | 1.72 | 12 |
| 6 | 04/08/2025 | 09:40:22 | 69.25, 32.00 | 61.81 | 04/08/2025 | 09:39:13 | 69.27, 30.47 | 61.88 | 60.08 | 69 |
| 7 | 04/11/2025 | 00:16:05 | 69.98, 172.07 | 61.60 | 04/11/2025 | 00:16:39 | 69.96, 171.99 | 61.57 | 3.47 | 34 |
| 8 | 04/11/2025 | 01:06:47 | -69.90, -20.49 | 118.51 | 04/11/2025 | 01:06:08 | -69.91, -20.44 | 118.49 | 2.69 | 39 |
| 9 | 04/13/2025 | 15:42:26 | -70.47, 119.76 | 118.87 | 04/13/2025 | 15:43:37 | -70.37, 120.80 | 119.00 | 40.36 | 71 |
| 10 | 04/13/2025 | 16:33:03 | 69.98, -72.18 | 60.62 | 04/13/2025 | 16:33:09 | 69.99, -72.10 | 60.62 | 2.97 | 6 |
| 11 | 04/13/2025 | 17:23:44 | -69.84, 95.35 | 119.55 | 04/13/2025 | 17:22:40 | -69.83, 95.31 | 119.55 | 1.69 | 64 |
| 12 | 04/16/2025 | 07:59:17 | -70.06,-123.85 | 120.25 | 04/16/2025 | 08:00:14 | -70.07,-123.77 | 120.25 | 3.19 | 57 |
| 13 | 04/16/2025 | 08:50:00 | 69.89, 43.72 | 59.56 | 04/16/2025 | 08:49:42 | 69.90, 43.64 | 59.58 | 3.25 | 18 |
| 14 | 04/16/2025 | 09:40:31 | -69.21,-147.98 | 121.15 | 04/16/2025 | 09:39:22 | -69.25,-149.61 | 121.07 | 64.12 | 69 |
| 15 | 04/19/2025 | 00:16:14 | -69.98, -7.97 | 121.28 | 04/19/2025 | 00:16:47 | -69.98, -8.03 | 121.28 | 2.42 | 33 |
| 16 | 04/19/2025 | 01:06:58 | 69.87, 159.51 | 58.60 | 04/19/2025 | 01:06:14 | 69.87, 159.45 | 58.60 | 2.06 | 44 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/5/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 04/05/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9