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: 3/3/2025
| 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 | 03/03/2025 | 06:45:35 | 70.13, 74.95 | 76.86 | 03/03/2025 | 06:46:06 | 70.12, 74.92 | 76.84 | 1.84 | 31 |
| 2 | 03/03/2025 | 07:36:16 | -70.01,-117.54 | 103.28 | 03/03/2025 | 07:35:36 | -70.01,-117.60 | 103.28 | 2.39 | 40 |
| 3 | 03/05/2025 | 22:11:52 | -70.61, 22.66 | 103.66 | 03/05/2025 | 22:13:03 | -70.47, 23.66 | 103.86 | 40.20 | 71 |
| 4 | 03/05/2025 | 23:02:29 | 70.11,-169.25 | 75.80 | 03/05/2025 | 23:02:35 | 70.09,-169.24 | 75.78 | 2.30 | 6 |
| 5 | 03/05/2025 | 23:53:10 | -69.99, -1.74 | 104.35 | 03/05/2025 | 23:52:05 | -69.98, -1.77 | 104.34 | 1.14 | 65 |
| 6 | 03/08/2025 | 14:28:39 | -70.18, 139.11 | 105.17 | 03/08/2025 | 14:29:37 | -70.19, 139.12 | 105.17 | 0.77 | 58 |
| 7 | 03/08/2025 | 15:19:23 | 70.05, -53.39 | 74.69 | 03/08/2025 | 15:19:04 | 70.08, -53.39 | 74.71 | 2.47 | 19 |
| 8 | 03/08/2025 | 16:09:53 | -69.34, 114.98 | 106.08 | 03/08/2025 | 16:08:44 | -69.42, 113.34 | 105.92 | 64.76 | 69 |
| 9 | 03/11/2025 | 06:45:33 | -70.13,-105.04 | 106.28 | 03/11/2025 | 06:46:06 | -70.13,-105.08 | 106.28 | 1.59 | 33 |
| 10 | 03/11/2025 | 07:36:17 | 70.01, 62.45 | 73.59 | 03/11/2025 | 07:35:33 | 70.02, 62.41 | 73.60 | 1.83 | 44 |
| 11 | 03/13/2025 | 22:11:50 | 70.44,-157.08 | 73.01 | 03/13/2025 | 22:13:01 | 70.35,-156.50 | 72.89 | 23.80 | 71 |
| 12 | 03/13/2025 | 23:02:27 | -70.08, 10.79 | 107.38 | 03/13/2025 | 23:02:34 | -70.08, 10.74 | 107.39 | 1.99 | 7 |
| 13 | 03/13/2025 | 23:53:11 | 69.97, 178.27 | 72.49 | 03/13/2025 | 23:52:01 | 69.97, 178.22 | 72.50 | 1.82 | 70 |
| 14 | 03/16/2025 | 14:28:38 | 70.16, -40.87 | 71.65 | 03/16/2025 | 14:29:30 | 70.15, -40.91 | 71.63 | 1.67 | 52 |
| 15 | 03/16/2025 | 15:19:20 | -70.06, 126.61 | 108.48 | 03/16/2025 | 15:19:00 | -70.05, 126.58 | 108.48 | 1.24 | 20 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/3/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/03/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9