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: 2/24/2025
| 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 | 02/25/2025 | 22:11:52 | 70.58,-157.27 | 79.37 | 02/25/2025 | 22:13:03 | 70.45,-156.36 | 79.19 | 36.57 | 71 |
| 2 | 02/25/2025 | 23:02:26 | -70.09, 10.81 | 101.16 | 02/25/2025 | 23:02:37 | -70.11, 10.79 | 101.14 | 2.54 | 11 |
| 3 | 02/25/2025 | 23:53:11 | 70.00, 178.26 | 78.73 | 02/25/2025 | 23:52:04 | 70.01, 178.29 | 78.75 | 1.65 | 67 |
| 4 | 02/28/2025 | 14:28:40 | 70.16, -40.85 | 77.92 | 02/28/2025 | 14:29:33 | 70.19, -40.85 | 77.93 | 3.02 | 53 |
| 5 | 02/28/2025 | 15:19:22 | -70.09, 126.57 | 102.17 | 02/28/2025 | 15:19:03 | -70.07, 126.63 | 102.19 | 2.91 | 19 |
| 6 | 02/28/2025 | 16:09:51 | 69.16, -64.75 | 76.83 | 02/28/2025 | 16:08:44 | 69.19, -66.93 | 76.97 | 86.04 | 67 |
| 7 | 03/03/2025 | 06:45:34 | 70.13, 74.96 | 76.86 | 03/03/2025 | 06:45:57 | 70.15, 75.00 | 76.87 | 2.49 | 23 |
| 8 | 03/03/2025 | 07:36:15 | -70.00,-117.53 | 103.29 | 03/03/2025 | 07:35:27 | -70.04,-117.53 | 103.25 | 3.69 | 48 |
| 9 | 03/05/2025 | 22:11:44 | -70.19, 23.33 | 104.11 | 03/05/2025 | 22:12:55 | -70.18, 23.29 | 104.14 | 2.28 | 71 |
| 10 | 03/05/2025 | 23:02:28 | 70.07,-169.17 | 75.75 | 03/05/2025 | 23:02:22 | 70.06,-169.23 | 75.75 | 2.04 | 6 |
| 11 | 03/05/2025 | 23:53:07 | -69.83, -1.50 | 104.52 | 03/05/2025 | 23:51:54 | -69.84, -1.90 | 104.48 | 15.58 | 73 |
| 12 | 03/08/2025 | 14:28:38 | -70.14, 139.18 | 105.21 | 03/08/2025 | 14:29:18 | -70.15, 139.16 | 105.21 | 1.63 | 40 |
| 13 | 03/08/2025 | 15:19:22 | 70.02, -53.33 | 74.66 | 03/08/2025 | 15:18:45 | 70.03, -53.36 | 74.67 | 1.89 | 37 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/24/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/24/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9