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: 3/24/2025
| 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 | 03/26/2025 | 00:16:06 | 69.97, 172.06 | 67.74 | 03/26/2025 | 00:16:35 | 70.00, 172.09 | 67.76 | 3.35 | 29 |
| 2 | 03/26/2025 | 01:06:47 | -69.86, -20.44 | 112.41 | 03/26/2025 | 01:06:06 | -69.84, -20.50 | 112.42 | 3.17 | 41 |
| 3 | 03/28/2025 | 15:42:20 | -70.51, 119.71 | 112.74 | 03/28/2025 | 15:43:30 | -70.43, 120.95 | 112.88 | 47.04 | 70 |
| 4 | 03/28/2025 | 16:32:56 | 69.96, -72.13 | 66.67 | 03/28/2025 | 16:33:04 | 69.94, -72.11 | 66.64 | 2.70 | 8 |
| 5 | 03/28/2025 | 17:23:37 | -69.84, 95.37 | 113.48 | 03/28/2025 | 17:22:34 | -69.83, 95.37 | 113.48 | 1.07 | 63 |
| 6 | 03/31/2025 | 07:59:00 | -70.04,-123.76 | 114.28 | 03/31/2025 | 08:00:03 | -70.02,-123.76 | 114.32 | 2.50 | 63 |
| 7 | 03/31/2025 | 08:49:44 | 69.92, 43.73 | 65.58 | 03/31/2025 | 08:49:30 | 69.91, 43.73 | 65.57 | 1.37 | 14 |
| 8 | 03/31/2025 | 09:40:17 | -69.37,-148.14 | 115.01 | 03/31/2025 | 09:39:06 | -69.47,-149.23 | 114.87 | 44.09 | 71 |
| 9 | 04/03/2025 | 00:15:49 | -70.01, -7.92 | 115.35 | 04/03/2025 | 00:16:28 | -70.02, -7.87 | 115.35 | 2.16 | 39 |
| 10 | 04/03/2025 | 01:06:33 | 69.89, 159.57 | 64.51 | 04/03/2025 | 01:05:55 | 69.90, 159.61 | 64.52 | 1.97 | 38 |
| 11 | 04/05/2025 | 15:42:06 | 70.61, -60.38 | 64.27 | 04/05/2025 | 15:43:15 | 70.48, -58.94 | 64.08 | 55.23 | 69 |
| 12 | 04/05/2025 | 16:32:37 | -69.95, 107.98 | 116.45 | 04/05/2025 | 16:32:53 | -69.94, 107.91 | 116.46 | 2.69 | 16 |
| 13 | 04/05/2025 | 17:23:21 | 69.83, -84.54 | 63.42 | 04/05/2025 | 17:22:20 | 69.81, -84.61 | 63.41 | 3.21 | 61 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/24/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 03/24/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9