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: 11/9/2023
| 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 | 11/09/2023 | 07:34:27 | -70.32,-118.06 | 92.98 | 11/09/2023 | 07:35:38 | -70.21,-117.25 | 93.09 | 32.78 | 71 |
| 2 | 11/09/2023 | 08:25:05 | 69.89, 49.91 | 86.60 | 11/09/2023 | 08:25:09 | 69.89, 49.94 | 86.60 | 1.33 | 4 |
| 3 | 11/09/2023 | 09:15:47 | -69.79,-142.64 | 93.49 | 11/09/2023 | 09:14:39 | -69.78,-142.58 | 93.51 | 2.63 | 68 |
| 4 | 11/11/2023 | 23:51:18 | -69.93, -1.70 | 92.63 | 11/11/2023 | 23:52:12 | -69.95, -1.75 | 92.61 | 2.73 | 54 |
| 5 | 11/12/2023 | 00:42:02 | 69.81, 165.77 | 87.27 | 11/12/2023 | 00:41:39 | 69.84, 165.75 | 87.30 | 3.11 | 23 |
| 6 | 11/12/2023 | 01:32:30 | -68.97, -25.71 | 93.56 | 11/12/2023 | 01:31:22 | -69.01, -27.72 | 93.53 | 80.30 | 68 |
| 7 | 11/14/2023 | 15:17:51 | 70.91, -54.83 | 89.08 | 11/14/2023 | 15:18:57 | 70.78, -52.28 | 88.94 | 94.24 | 66 |
| 8 | 11/14/2023 | 16:08:16 | -69.92, 114.07 | 91.92 | 11/14/2023 | 16:08:41 | -69.90, 114.08 | 91.94 | 1.83 | 25 |
| 9 | 11/14/2023 | 16:59:00 | 69.81, -78.46 | 87.98 | 11/14/2023 | 16:58:08 | 69.79, -78.43 | 87.96 | 2.14 | 52 |
| 10 | 11/17/2023 | 07:34:31 | 69.97, 62.43 | 88.81 | 11/17/2023 | 07:35:39 | 69.96, 62.42 | 88.80 | 1.20 | 68 |
| 11 | 11/17/2023 | 08:25:13 | -69.87,-130.10 | 91.29 | 11/17/2023 | 08:25:09 | -69.86,-130.10 | 91.31 | 1.44 | 4 |
| 12 | 11/17/2023 | 09:15:51 | 69.50, 37.75 | 88.35 | 11/17/2023 | 09:14:39 | 69.52, 37.09 | 88.37 | 25.84 | 72 |
| 13 | 11/19/2023 | 23:51:27 | 69.95, 178.23 | 89.41 | 11/19/2023 | 23:52:05 | 69.92, 178.25 | 89.39 | 3.00 | 38 |
| 14 | 11/20/2023 | 00:42:09 | -69.84, -14.29 | 90.69 | 11/20/2023 | 00:41:35 | -69.81, -14.26 | 90.72 | 2.85 | 34 |
| 15 | 11/22/2023 | 15:17:48 | -70.45, 125.90 | 89.49 | 11/22/2023 | 15:18:58 | -70.32, 127.08 | 89.63 | 46.22 | 70 |
| 16 | 11/22/2023 | 16:08:23 | 69.88, -65.91 | 89.94 | 11/22/2023 | 16:08:31 | 69.88, -65.91 | 89.94 | 0.16 | 8 |
| 17 | 11/22/2023 | 16:59:05 | -69.77, 101.57 | 90.17 | 11/22/2023 | 16:58:01 | -69.77, 101.58 | 90.16 | 0.67 | 64 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 11/9/2023
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 11/09/2023 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9