Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/28/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) |
| 1 | 06/29/2025 | 21:46:46 | 70.82,-151.47 | 47.66 | 06/29/2025 | 21:47:54 | 70.73,-149.69 | 47.50 | 66.11 | 68 |
| 2 | 06/29/2025 | 22:37:15 | -70.07, 17.04 | 133.13 | 06/29/2025 | 22:37:34 | -70.07, 16.98 | 133.13 | 2.40 | 19 |
| 3 | 06/29/2025 | 23:28:00 | 69.98,-175.52 | 46.78 | 06/29/2025 | 23:27:01 | 69.97,-175.53 | 46.77 | 1.51 | 59 |
| 4 | 07/02/2025 | 14:03:30 | 70.17, -34.67 | 47.16 | 07/02/2025 | 14:04:34 | 70.16, -34.65 | 47.14 | 1.09 | 64 |
| 5 | 07/02/2025 | 14:54:11 | -70.04, 132.84 | 132.97 | 07/02/2025 | 14:54:04 | -70.05, 132.83 | 132.96 | 1.28 | 7 |
| 6 | 07/02/2025 | 15:44:48 | 69.54, -59.10 | 46.50 | 07/02/2025 | 15:43:37 | 69.62, -60.13 | 46.63 | 41.16 | 71 |
| 7 | 07/05/2025 | 06:20:25 | 70.10, 81.21 | 47.33 | 07/05/2025 | 06:21:04 | 70.13, 81.19 | 47.35 | 3.19 | 39 |
| 8 | 07/05/2025 | 07:11:07 | -70.02,-111.35 | 132.76 | 07/05/2025 | 07:10:34 | -70.02,-111.33 | 132.75 | 1.12 | 33 |
| 9 | 07/07/2025 | 21:46:49 | -70.83, 28.49 | 131.62 | 07/07/2025 | 21:47:57 | -70.74, 30.33 | 131.79 | 68.14 | 68 |
| 10 | 07/07/2025 | 22:37:21 | 70.09,-163.01 | 47.60 | 07/07/2025 | 22:37:34 | 70.08,-163.00 | 47.59 | 0.85 | 13 |
| 11 | 07/07/2025 | 23:28:03 | -70.00, 4.44 | 132.49 | 07/07/2025 | 23:27:04 | -69.98, 4.50 | 132.51 | 3.08 | 59 |
| 12 | 07/10/2025 | 14:03:31 | -70.14, 145.37 | 132.03 | 07/10/2025 | 14:04:36 | -70.14, 145.33 | 132.04 | 1.63 | 65 |
| 13 | 07/10/2025 | 14:54:15 | 70.02, -47.15 | 47.86 | 07/10/2025 | 14:54:03 | 70.02, -47.19 | 47.86 | 1.79 | 12 |
| 14 | 07/10/2025 | 15:44:50 | -69.56, 120.86 | 132.62 | 07/10/2025 | 15:43:39 | -69.59, 119.85 | 132.54 | 39.39 | 71 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/28/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/28/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8