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: 2/13/2025
| 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 | 02/15/2025 | 06:45:28 | 70.14, 75.00 | 82.75 | 02/15/2025 | 06:46:12 | 70.17, 74.99 | 82.77 | 3.40 | 44 |
| 2 | 02/15/2025 | 07:36:09 | -70.03,-117.52 | 97.38 | 02/15/2025 | 07:35:42 | -70.06,-117.54 | 97.35 | 3.28 | 27 |
| 3 | 02/17/2025 | 22:11:55 | -71.01, 22.05 | 97.25 | 02/17/2025 | 22:13:02 | -70.94, 24.37 | 97.43 | 84.53 | 67 |
| 4 | 02/17/2025 | 23:02:25 | 70.13,-169.23 | 81.81 | 02/17/2025 | 23:02:42 | 70.13,-169.20 | 81.80 | 1.35 | 17 |
| 5 | 02/17/2025 | 23:53:06 | -70.02, -1.74 | 98.33 | 02/17/2025 | 23:52:12 | -70.02, -1.72 | 98.32 | 0.78 | 54 |
| 6 | 02/20/2025 | 14:28:36 | -70.23, 139.08 | 99.04 | 02/20/2025 | 14:29:43 | -70.21, 139.15 | 99.08 | 3.35 | 67 |
| 7 | 02/20/2025 | 15:19:20 | 70.08, -53.39 | 80.80 | 02/20/2025 | 15:19:10 | 70.10, -53.36 | 80.81 | 2.16 | 10 |
| 8 | 02/20/2025 | 16:09:56 | -69.70, 114.50 | 99.62 | 02/20/2025 | 16:08:44 | -69.77, 113.82 | 99.51 | 27.30 | 72 |
| 9 | 02/23/2025 | 06:45:31 | -70.13,-105.01 | 100.12 | 02/23/2025 | 06:46:12 | -70.14,-105.06 | 100.12 | 2.33 | 41 |
| 10 | 02/23/2025 | 07:36:16 | 70.04, 62.43 | 79.78 | 02/23/2025 | 07:35:39 | 70.03, 62.43 | 79.77 | 1.58 | 37 |
| 11 | 02/25/2025 | 22:11:54 | 70.65,-157.38 | 79.44 | 02/25/2025 | 22:13:04 | 70.53,-156.25 | 79.26 | 44.10 | 70 |
| 12 | 02/25/2025 | 23:02:27 | -70.10, 10.80 | 101.16 | 02/25/2025 | 23:02:40 | -70.09, 10.76 | 101.16 | 1.57 | 13 |
| 13 | 02/25/2025 | 23:53:11 | 69.96, 178.31 | 78.70 | 02/25/2025 | 23:52:07 | 69.98, 178.24 | 78.72 | 3.01 | 64 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/13/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/13/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9