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: 3/6/2025
| 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 | 03/08/2025 | 14:28:39 | -70.17, 139.13 | 105.18 | 03/08/2025 | 14:29:37 | -70.20, 139.14 | 105.16 | 3.42 | 58 |
| 2 | 03/08/2025 | 15:19:24 | 70.09, -53.45 | 74.73 | 03/08/2025 | 15:19:04 | 70.09, -53.37 | 74.73 | 2.99 | 20 |
| 3 | 03/08/2025 | 16:09:54 | -69.38, 114.92 | 106.04 | 03/08/2025 | 16:08:44 | -69.43, 113.36 | 105.91 | 61.53 | 70 |
| 4 | 03/11/2025 | 06:45:34 | -70.16,-105.09 | 106.24 | 03/11/2025 | 06:46:06 | -70.16,-105.04 | 106.26 | 1.95 | 32 |
| 5 | 03/11/2025 | 07:36:18 | 70.04, 62.40 | 73.62 | 03/11/2025 | 07:35:33 | 70.05, 62.45 | 73.63 | 2.03 | 45 |
| 6 | 03/13/2025 | 22:11:50 | 70.47,-157.12 | 73.04 | 03/13/2025 | 22:13:01 | 70.35,-156.51 | 72.89 | 26.30 | 71 |
| 7 | 03/13/2025 | 23:02:27 | -70.11, 10.75 | 107.35 | 03/13/2025 | 23:02:33 | -70.14, 10.81 | 107.34 | 3.35 | 6 |
| 8 | 03/13/2025 | 23:53:11 | 70.00, 178.23 | 72.52 | 03/13/2025 | 23:52:01 | 69.97, 178.22 | 72.50 | 3.55 | 70 |
| 9 | 03/16/2025 | 14:28:39 | 70.18, -40.89 | 71.67 | 03/16/2025 | 14:29:31 | 70.18, -40.87 | 71.66 | 1.27 | 52 |
| 10 | 03/16/2025 | 15:19:21 | -70.08, 126.58 | 108.46 | 03/16/2025 | 15:19:01 | -70.08, 126.61 | 108.45 | 1.48 | 20 |
| 11 | 03/16/2025 | 16:09:49 | 69.12, -64.72 | 70.53 | 03/16/2025 | 16:08:42 | 69.19, -66.95 | 70.70 | 88.46 | 67 |
| 12 | 03/19/2025 | 06:45:33 | 70.15, 74.91 | 70.58 | 03/19/2025 | 06:45:58 | 70.15, 74.96 | 70.56 | 2.30 | 25 |
| 13 | 03/19/2025 | 07:36:15 | -70.05,-117.61 | 109.55 | 03/19/2025 | 07:35:28 | -70.04,-117.55 | 109.55 | 2.41 | 47 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/6/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/06/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9