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: 6/25/2025
| 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 | 06/25/2025 | 22:11:52 | -70.14, 23.29 | 133.26 | 06/25/2025 | 22:12:45 | -70.17, 23.30 | 133.24 | 3.41 | 53 |
| 2 | 06/25/2025 | 23:02:37 | 70.04,-169.26 | 46.65 | 06/25/2025 | 23:02:13 | 70.01,-169.27 | 46.62 | 3.16 | 24 |
| 3 | 06/25/2025 | 23:53:03 | -69.14, -0.62 | 134.30 | 06/25/2025 | 23:51:56 | -69.19, -2.76 | 134.17 | 84.94 | 67 |
| 4 | 06/28/2025 | 14:28:48 | -70.11, 139.10 | 133.17 | 06/28/2025 | 14:29:16 | -70.12, 139.12 | 133.16 | 1.90 | 28 |
| 5 | 06/28/2025 | 15:19:33 | 70.02, -53.46 | 46.74 | 06/28/2025 | 15:18:43 | 70.02, -53.38 | 46.74 | 2.82 | 50 |
| 6 | 07/01/2025 | 05:55:05 | 70.31, 87.23 | 47.21 | 07/01/2025 | 05:56:15 | 70.28, 87.59 | 47.15 | 13.87 | 70 |
| 7 | 07/01/2025 | 06:45:44 | -70.08,-105.09 | 133.04 | 07/01/2025 | 06:45:47 | -70.06,-105.09 | 133.05 | 1.74 | 3 |
| 8 | 07/01/2025 | 07:36:27 | 69.89, 62.50 | 46.77 | 07/01/2025 | 07:35:15 | 69.90, 62.33 | 46.80 | 6.64 | 72 |
| 9 | 07/03/2025 | 22:11:57 | 70.13,-156.73 | 47.24 | 07/03/2025 | 22:12:46 | 70.15,-156.72 | 47.24 | 1.77 | 49 |
| 10 | 07/03/2025 | 23:02:39 | -70.05, 10.71 | 132.85 | 07/03/2025 | 23:02:16 | -70.04, 10.77 | 132.86 | 2.47 | 23 |
| 11 | 07/06/2025 | 14:28:53 | 70.12, -40.94 | 47.48 | 07/06/2025 | 14:29:16 | 70.11, -40.88 | 47.47 | 2.16 | 23 |
| 12 | 07/06/2025 | 15:19:34 | -69.98, 126.59 | 132.66 | 07/06/2025 | 15:18:47 | -69.96, 126.53 | 132.68 | 3.40 | 47 |
| 13 | 07/09/2025 | 05:55:06 | -70.27, -92.72 | 132.06 | 07/09/2025 | 05:56:18 | -70.23, -92.47 | 132.12 | 10.43 | 72 |
| 14 | 07/09/2025 | 06:45:48 | 70.05, 74.93 | 47.72 | 07/09/2025 | 06:45:46 | 70.06, 74.93 | 47.73 | 0.96 | 2 |
| 15 | 07/09/2025 | 07:36:29 | -69.91,-117.54 | 132.43 | 07/09/2025 | 07:35:17 | -69.91,-117.65 | 132.42 | 4.35 | 72 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/25/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/25/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9