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: 2/27/2025
| 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 | 02/28/2025 | 14:28:40 | 70.19, -40.90 | 77.95 | 02/28/2025 | 14:29:32 | 70.19, -40.85 | 77.93 | 2.27 | 52 |
| 2 | 02/28/2025 | 15:19:21 | -70.08, 126.60 | 102.19 | 02/28/2025 | 15:19:02 | -70.07, 126.62 | 102.20 | 1.14 | 19 |
| 3 | 02/28/2025 | 16:09:50 | 69.14, -64.73 | 76.81 | 02/28/2025 | 16:08:43 | 69.19, -66.93 | 76.97 | 87.39 | 67 |
| 4 | 03/03/2025 | 06:45:34 | 70.11, 74.99 | 76.84 | 03/03/2025 | 06:45:57 | 70.12, 74.95 | 76.84 | 1.51 | 23 |
| 5 | 03/03/2025 | 07:36:15 | -69.99,-117.50 | 103.31 | 03/03/2025 | 07:35:27 | -70.00,-117.57 | 103.29 | 3.29 | 48 |
| 6 | 03/05/2025 | 22:11:45 | -70.23, 23.27 | 104.07 | 03/05/2025 | 22:12:53 | -70.21, 23.35 | 104.10 | 3.17 | 68 |
| 7 | 03/05/2025 | 23:02:29 | 70.10,-169.22 | 75.79 | 03/05/2025 | 23:02:20 | 70.10,-169.17 | 75.78 | 2.14 | 9 |
| 8 | 03/05/2025 | 23:53:06 | -69.76, -1.39 | 104.59 | 03/05/2025 | 23:51:53 | -69.82, -1.92 | 104.50 | 21.71 | 73 |
| 9 | 03/08/2025 | 14:28:38 | -70.12, 139.21 | 105.23 | 03/08/2025 | 14:29:16 | -70.14, 139.15 | 105.22 | 3.07 | 38 |
| 10 | 03/08/2025 | 15:19:23 | 70.05, -53.38 | 74.69 | 03/08/2025 | 15:18:43 | 70.02, -53.37 | 74.66 | 3.39 | 40 |
| 11 | 03/11/2025 | 05:54:53 | 70.38, 87.25 | 74.01 | 03/11/2025 | 05:56:04 | 70.33, 87.70 | 73.93 | 18.02 | 71 |
| 12 | 03/11/2025 | 06:45:31 | -70.08,-104.96 | 106.33 | 03/11/2025 | 06:45:36 | -70.11,-104.98 | 106.30 | 3.23 | 5 |
| 13 | 03/11/2025 | 07:36:15 | 69.97, 62.52 | 73.54 | 03/11/2025 | 07:35:03 | 69.99, 62.50 | 73.58 | 2.67 | 72 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/27/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/27/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9