Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/22/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 03/24/2025 | 14:28:33 | -70.20, 139.09 | 111.50 | 03/24/2025 | 14:29:26 | -70.17, 139.11 | 111.53 | 2.69 | 53 |
| 2 | 03/24/2025 | 15:19:16 | 70.04, -53.37 | 68.34 | 03/24/2025 | 15:18:53 | 70.07, -53.39 | 68.36 | 3.02 | 23 |
| 3 | 03/24/2025 | 16:09:44 | -69.20, 115.18 | 112.56 | 03/24/2025 | 16:08:36 | -69.24, 113.12 | 112.44 | 81.33 | 68 |
| 4 | 03/27/2025 | 06:45:25 | -70.15,-105.06 | 112.60 | 03/27/2025 | 06:45:56 | -70.14,-105.06 | 112.62 | 0.94 | 31 |
| 5 | 03/27/2025 | 07:36:09 | 70.06, 62.39 | 67.29 | 03/27/2025 | 07:35:23 | 70.03, 62.43 | 67.27 | 3.12 | 46 |
| 6 | 03/29/2025 | 22:11:40 | 70.50,-157.15 | 66.74 | 03/29/2025 | 22:12:51 | 70.42,-156.40 | 66.62 | 29.24 | 71 |
| 7 | 03/29/2025 | 23:02:17 | -70.12, 10.76 | 113.68 | 03/29/2025 | 23:02:25 | -70.10, 10.76 | 113.71 | 2.99 | 8 |
| 8 | 03/29/2025 | 23:53:00 | 69.99, 178.28 | 66.17 | 03/29/2025 | 23:51:52 | 69.98, 178.25 | 66.18 | 1.27 | 68 |
| 9 | 04/01/2025 | 14:28:26 | 70.19, -40.88 | 65.37 | 04/01/2025 | 14:29:22 | 70.20, -40.84 | 65.37 | 1.84 | 56 |
| 10 | 04/01/2025 | 15:19:08 | -70.07, 126.62 | 114.78 | 04/01/2025 | 15:18:52 | -70.10, 126.64 | 114.75 | 3.32 | 16 |
| 11 | 04/01/2025 | 16:09:38 | 69.30, -64.93 | 64.41 | 04/01/2025 | 16:08:30 | 69.32, -66.78 | 64.50 | 72.48 | 68 |
| 12 | 04/04/2025 | 06:45:16 | 70.16, 74.95 | 64.30 | 04/04/2025 | 06:45:48 | 70.13, 74.95 | 64.27 | 2.98 | 32 |
| 13 | 04/04/2025 | 07:35:58 | -70.03,-117.54 | 115.85 | 04/04/2025 | 07:35:18 | -70.03,-117.56 | 115.84 | 0.86 | 40 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/22/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/22/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9