Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/9/2025
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 01/10/2025 | 07:59:41 | -69.96,-123.81 | 88.16 | 01/10/2025 | 08:00:22 | -69.96,-123.80 | 88.16 | 0.91 | 41 |
| 2 | 01/10/2025 | 08:50:25 | 69.86, 43.65 | 91.73 | 01/10/2025 | 08:49:49 | 69.86, 43.70 | 91.73 | 1.83 | 36 |
| 3 | 01/12/2025 | 23:26:05 | 70.53,-176.26 | 92.03 | 01/12/2025 | 23:27:14 | 70.44,-174.86 | 91.88 | 52.67 | 69 |
| 4 | 01/13/2025 | 00:16:37 | -69.89, -7.95 | 88.66 | 01/13/2025 | 00:16:52 | -69.90, -8.01 | 88.65 | 2.74 | 15 |
| 5 | 01/13/2025 | 01:07:21 | 69.79, 159.51 | 91.24 | 01/13/2025 | 01:06:19 | 69.79, 159.48 | 91.24 | 1.26 | 62 |
| 6 | 01/15/2025 | 15:42:52 | 70.00, -59.67 | 91.00 | 01/15/2025 | 15:43:50 | 70.01, -59.61 | 90.99 | 2.28 | 58 |
| 7 | 01/15/2025 | 16:33:34 | -69.88, 107.82 | 89.13 | 01/15/2025 | 16:33:20 | -69.90, 107.88 | 89.12 | 2.81 | 14 |
| 8 | 01/15/2025 | 17:24:06 | 69.15, -83.81 | 90.10 | 01/15/2025 | 17:22:57 | 69.23, -85.38 | 90.25 | 62.57 | 69 |
| 9 | 01/18/2025 | 07:59:48 | 69.96, 56.16 | 90.44 | 01/18/2025 | 08:00:18 | 69.97, 56.22 | 90.44 | 2.58 | 30 |
| 10 | 01/18/2025 | 08:50:30 | -69.84,-136.35 | 89.70 | 01/18/2025 | 08:49:49 | -69.81,-136.36 | 89.73 | 3.25 | 41 |
| 11 | 01/20/2025 | 23:26:04 | -70.28, 4.13 | 89.80 | 01/20/2025 | 23:27:15 | -70.17, 4.76 | 89.93 | 26.35 | 71 |
| 12 | 01/21/2025 | 00:16:42 | 69.87, 172.05 | 89.78 | 01/21/2025 | 00:16:45 | 69.89, 172.00 | 89.79 | 2.71 | 3 |
| 13 | 01/21/2025 | 01:07:25 | -69.80, -20.53 | 90.31 | 01/21/2025 | 01:06:15 | -69.79, -20.50 | 90.31 | 2.02 | 70 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/9/2025
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/09/2025 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9