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: 1/10/2025
| 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 | 01/11/2025 | 14:29:06 | 70.14, -40.84 | 91.82 | 01/11/2025 | 14:29:39 | 70.14, -40.89 | 91.82 | 1.65 | 33 |
| 2 | 01/11/2025 | 15:19:48 | -70.05, 126.61 | 88.28 | 01/11/2025 | 15:19:09 | -70.03, 126.59 | 88.30 | 2.86 | 39 |
| 3 | 01/14/2025 | 05:55:22 | -70.85, -93.49 | 87.88 | 01/14/2025 | 05:56:31 | -70.75, -91.74 | 88.04 | 64.92 | 69 |
| 4 | 01/14/2025 | 06:45:54 | 70.11, 75.00 | 91.34 | 01/14/2025 | 06:46:08 | 70.10, 74.94 | 91.33 | 2.45 | 14 |
| 5 | 01/14/2025 | 07:36:36 | -70.03,-117.56 | 88.76 | 01/14/2025 | 07:35:37 | -70.05,-117.50 | 88.73 | 3.25 | 59 |
| 6 | 01/16/2025 | 22:11:57 | -70.20, 23.34 | 89.05 | 01/16/2025 | 22:13:08 | -70.19, 23.31 | 89.08 | 2.16 | 71 |
| 7 | 01/16/2025 | 23:02:41 | 70.09,-169.18 | 90.83 | 01/16/2025 | 23:02:35 | 70.07,-169.21 | 90.81 | 2.22 | 6 |
| 8 | 01/16/2025 | 23:53:20 | -69.85, -1.50 | 89.44 | 01/16/2025 | 23:52:07 | -69.86, -1.88 | 89.41 | 14.55 | 73 |
| 9 | 01/19/2025 | 14:28:45 | -70.20, 139.15 | 89.60 | 01/19/2025 | 14:29:35 | -70.18, 139.19 | 89.63 | 2.40 | 50 |
| 10 | 01/19/2025 | 15:19:29 | 70.08, -53.37 | 90.28 | 01/19/2025 | 15:19:02 | 70.06, -53.33 | 90.26 | 2.73 | 27 |
| 11 | 01/19/2025 | 16:09:54 | -69.10, 115.37 | 90.76 | 01/19/2025 | 16:08:47 | -69.14, 113.04 | 90.64 | 92.62 | 67 |
| 12 | 01/22/2025 | 06:45:32 | -70.15,-104.98 | 90.24 | 01/22/2025 | 06:46:02 | -70.13,-104.99 | 90.26 | 1.81 | 30 |
| 13 | 01/22/2025 | 07:36:16 | 70.04, 62.50 | 89.64 | 01/22/2025 | 07:35:29 | 70.01, 62.49 | 89.62 | 2.51 | 47 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/10/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/10/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9