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: 1/7/2023
| 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 | 01/09/2023 | 06:45:15 | 70.23, 74.92 | 92.33 | 01/09/2023 | 06:46:26 | 70.22, 75.08 | 92.31 | 6.21 | 71 |
| 2 | 01/09/2023 | 07:35:55 | -70.04,-117.47 | 87.88 | 01/09/2023 | 07:35:57 | -70.05,-117.52 | 87.86 | 2.79 | 2 |
| 3 | 01/09/2023 | 08:26:38 | 69.86, 50.10 | 91.95 | 01/09/2023 | 08:25:25 | 69.89, 49.90 | 91.98 | 8.22 | 73 |
| 4 | 01/11/2023 | 23:02:08 | 70.15,-169.19 | 91.85 | 01/11/2023 | 23:02:55 | 70.16,-169.11 | 91.86 | 3.37 | 47 |
| 5 | 01/11/2023 | 23:52:49 | -70.00, -1.65 | 88.31 | 01/11/2023 | 23:52:26 | -70.00, -1.71 | 88.30 | 2.25 | 23 |
| 6 | 01/14/2023 | 15:19:01 | 70.07, -53.30 | 91.33 | 01/14/2023 | 15:19:24 | 70.08, -53.34 | 91.34 | 2.25 | 23 |
| 7 | 01/14/2023 | 16:09:43 | -69.98, 114.16 | 88.78 | 01/14/2023 | 16:08:54 | -69.98, 114.15 | 88.77 | 0.73 | 49 |
| 8 | 01/17/2023 | 06:45:11 | -70.21,-105.07 | 89.01 | 01/17/2023 | 06:46:23 | -70.21,-104.92 | 89.03 | 5.46 | 72 |
| 9 | 01/17/2023 | 07:35:54 | 70.05, 62.49 | 90.82 | 01/17/2023 | 07:35:51 | 70.04, 62.48 | 90.80 | 1.81 | 3 |
| 10 | 01/17/2023 | 08:26:35 | -69.90,-129.97 | 89.35 | 01/17/2023 | 08:25:21 | -69.94,-130.03 | 89.31 | 4.21 | 74 |
| 11 | 01/19/2023 | 23:02:04 | -70.15, 10.80 | 89.62 | 01/19/2023 | 23:02:51 | -70.14, 10.86 | 89.64 | 2.82 | 47 |
| 12 | 01/19/2023 | 23:52:47 | 69.99, 178.35 | 90.22 | 01/19/2023 | 23:52:18 | 70.02, 178.34 | 90.25 | 3.11 | 29 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/7/2023
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/07/2023 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9