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: 5/30/2025
| 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 | 05/30/2025 | 05:54:46 | 70.39, 87.19 | 48.52 | 05/30/2025 | 05:55:57 | 70.35, 87.57 | 48.45 | 14.86 | 71 |
| 2 | 05/30/2025 | 06:45:24 | -70.12,-105.06 | 131.78 | 05/30/2025 | 06:45:29 | -70.11,-105.13 | 131.78 | 2.69 | 5 |
| 3 | 05/30/2025 | 07:36:09 | 70.02, 62.39 | 48.12 | 05/30/2025 | 07:34:56 | 70.02, 62.38 | 48.13 | 0.65 | 73 |
| 4 | 06/01/2025 | 22:11:40 | 70.21,-156.76 | 47.96 | 06/01/2025 | 22:12:27 | 70.19,-156.78 | 47.94 | 2.05 | 47 |
| 5 | 06/01/2025 | 23:02:21 | -70.09, 10.74 | 132.17 | 06/01/2025 | 23:01:57 | -70.07, 10.69 | 132.19 | 2.90 | 24 |
| 6 | 06/04/2025 | 13:38:07 | -71.06, 150.30 | 131.46 | 06/04/2025 | 13:39:14 | -70.99, 152.66 | 131.61 | 85.49 | 67 |
| 7 | 06/04/2025 | 14:28:37 | 70.19, -40.97 | 47.62 | 06/04/2025 | 14:28:54 | 70.18, -40.91 | 47.60 | 2.73 | 17 |
| 8 | 06/04/2025 | 15:19:18 | -70.07, 126.53 | 132.51 | 06/04/2025 | 15:18:24 | -70.06, 126.56 | 132.52 | 1.71 | 54 |
| 9 | 06/07/2025 | 05:54:49 | -70.27, -92.64 | 132.57 | 06/07/2025 | 05:55:54 | -70.25, -92.57 | 132.60 | 3.33 | 65 |
| 10 | 06/07/2025 | 06:45:33 | 70.13, 74.89 | 47.28 | 06/07/2025 | 06:45:21 | 70.14, 74.93 | 47.30 | 2.54 | 12 |
| 11 | 06/07/2025 | 07:36:08 | -69.69,-117.14 | 133.18 | 06/07/2025 | 07:34:56 | -69.76,-117.98 | 133.08 | 33.28 | 72 |
| 12 | 06/09/2025 | 22:11:44 | -70.21, 23.22 | 132.86 | 06/09/2025 | 22:12:20 | -70.20, 23.25 | 132.87 | 1.50 | 36 |
| 13 | 06/09/2025 | 23:02:28 | 70.07,-169.26 | 47.00 | 06/09/2025 | 23:01:47 | 70.09,-169.26 | 47.02 | 2.43 | 41 |
| 14 | 06/12/2025 | 13:38:03 | 70.49, -28.78 | 47.26 | 06/12/2025 | 13:39:14 | 70.40, -28.21 | 47.15 | 23.47 | 71 |
| 15 | 06/12/2025 | 14:28:40 | -70.16, 139.06 | 133.09 | 06/12/2025 | 14:28:47 | -70.13, 139.03 | 133.12 | 3.17 | 7 |
| 16 | 06/12/2025 | 15:19:24 | 70.02, -53.42 | 46.77 | 06/12/2025 | 15:18:14 | 70.01, -53.48 | 46.77 | 2.38 | 70 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/30/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 05/30/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9