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: 2/18/2025
| 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 | 02/20/2025 | 14:28:36 | -70.20, 139.13 | 99.08 | 02/20/2025 | 14:29:43 | -70.20, 139.15 | 99.08 | 1.18 | 67 |
| 2 | 02/20/2025 | 15:19:21 | 70.10, -53.42 | 80.82 | 02/20/2025 | 15:19:10 | 70.10, -53.36 | 80.81 | 2.45 | 11 |
| 3 | 02/20/2025 | 16:09:56 | -69.67, 114.54 | 99.65 | 02/20/2025 | 16:08:44 | -69.77, 113.81 | 99.52 | 30.00 | 72 |
| 4 | 02/23/2025 | 06:45:31 | -70.16,-105.06 | 100.09 | 02/23/2025 | 06:46:10 | -70.16,-105.04 | 100.11 | 1.32 | 39 |
| 5 | 02/23/2025 | 07:36:15 | 70.02, 62.46 | 79.75 | 02/23/2025 | 07:35:37 | 70.05, 62.45 | 79.78 | 2.98 | 38 |
| 6 | 02/25/2025 | 22:11:52 | 70.58,-157.28 | 79.38 | 02/25/2025 | 22:13:02 | 70.49,-156.29 | 79.23 | 38.20 | 70 |
| 7 | 02/25/2025 | 23:02:26 | -70.09, 10.81 | 101.16 | 02/25/2025 | 23:02:37 | -70.11, 10.79 | 101.14 | 2.19 | 11 |
| 8 | 02/25/2025 | 23:53:11 | 70.01, 178.24 | 78.74 | 02/25/2025 | 23:52:04 | 70.00, 178.28 | 78.74 | 1.62 | 67 |
| 9 | 02/28/2025 | 14:28:40 | 70.17, -40.86 | 77.92 | 02/28/2025 | 14:29:33 | 70.18, -40.86 | 77.92 | 1.34 | 53 |
| 10 | 02/28/2025 | 15:19:22 | -70.09, 126.58 | 102.18 | 02/28/2025 | 15:19:03 | -70.07, 126.63 | 102.19 | 2.80 | 19 |
| 11 | 02/28/2025 | 16:09:51 | 69.16, -64.76 | 76.84 | 02/28/2025 | 16:08:44 | 69.18, -66.94 | 76.96 | 86.04 | 67 |
| 12 | 03/03/2025 | 06:45:35 | 70.13, 74.96 | 76.86 | 03/03/2025 | 06:45:58 | 70.14, 74.99 | 76.86 | 1.48 | 23 |
| 13 | 03/03/2025 | 07:36:17 | -70.05,-117.60 | 103.25 | 03/03/2025 | 07:35:28 | -70.04,-117.53 | 103.26 | 3.07 | 49 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/18/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/18/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9