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: 6/7/2025
| 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 | 06/07/2025 | 05:54:48 | -70.26, -92.63 | 132.58 | 06/07/2025 | 05:56:00 | -70.22, -92.48 | 132.64 | 7.57 | 72 |
| 2 | 06/07/2025 | 06:45:31 | 70.06, 74.99 | 47.21 | 06/07/2025 | 06:45:28 | 70.07, 74.95 | 47.22 | 1.87 | 3 |
| 3 | 06/07/2025 | 07:36:11 | -69.90,-117.45 | 132.96 | 06/07/2025 | 07:34:58 | -69.95,-117.58 | 132.90 | 8.05 | 73 |
| 4 | 06/09/2025 | 22:11:43 | -70.15, 23.30 | 132.92 | 06/09/2025 | 22:12:34 | -70.13, 23.26 | 132.95 | 2.96 | 51 |
| 5 | 06/09/2025 | 23:02:28 | 70.06,-169.24 | 46.98 | 06/09/2025 | 23:02:01 | 70.03,-169.23 | 46.96 | 2.71 | 27 |
| 6 | 06/09/2025 | 23:52:52 | -69.04, -0.45 | 134.07 | 06/09/2025 | 23:51:46 | -69.09, -2.87 | 133.95 | 96.16 | 66 |
| 7 | 06/12/2025 | 14:28:40 | -70.15, 139.07 | 133.10 | 06/12/2025 | 14:29:06 | -70.13, 139.14 | 133.12 | 3.20 | 26 |
| 8 | 06/12/2025 | 15:19:24 | 70.00, -53.40 | 46.75 | 06/12/2025 | 15:18:34 | 69.98, -53.44 | 46.73 | 3.40 | 50 |
| 9 | 06/15/2025 | 05:54:56 | 70.27, 87.33 | 46.90 | 06/15/2025 | 05:56:08 | 70.23, 87.51 | 46.84 | 8.47 | 72 |
| 10 | 06/15/2025 | 06:45:35 | -70.05,-105.01 | 133.33 | 06/15/2025 | 06:45:39 | -70.07,-105.08 | 133.31 | 3.49 | 4 |
| 11 | 06/15/2025 | 07:36:19 | 69.90, 62.52 | 46.52 | 06/15/2025 | 07:35:07 | 69.90, 62.33 | 46.53 | 7.01 | 72 |
| 12 | 06/17/2025 | 22:11:49 | 70.12,-156.68 | 46.67 | 06/17/2025 | 22:12:40 | 70.14,-156.74 | 46.68 | 2.85 | 51 |
| 13 | 06/17/2025 | 23:02:31 | -70.05, 10.74 | 133.40 | 06/17/2025 | 23:02:10 | -70.03, 10.75 | 133.42 | 2.17 | 21 |
| 14 | 06/17/2025 | 23:52:58 | 69.01, 179.56 | 45.52 | 06/17/2025 | 23:51:52 | 69.09, 177.12 | 45.68 | 97.70 | 66 |
| 15 | 06/20/2025 | 14:28:46 | 70.14, -40.94 | 46.66 | 06/20/2025 | 14:29:11 | 70.14, -40.86 | 46.65 | 3.01 | 25 |
| 16 | 06/20/2025 | 15:19:27 | -70.01, 126.57 | 133.48 | 06/20/2025 | 15:18:42 | -69.99, 126.56 | 133.50 | 3.02 | 45 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/7/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/07/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9