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: 6/17/2025
| 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 | 06/19/2025 | 06:20:18 | 70.16, 81.15 | 46.69 | 06/19/2025 | 06:20:58 | 70.14, 81.20 | 46.66 | 2.40 | 40 |
| 2 | 06/19/2025 | 07:10:59 | -70.04,-111.36 | 133.43 | 06/19/2025 | 07:10:28 | -70.03,-111.32 | 133.45 | 1.98 | 31 |
| 3 | 06/21/2025 | 21:46:43 | -70.95, 28.34 | 132.49 | 06/21/2025 | 21:47:50 | -70.87, 30.52 | 132.64 | 79.83 | 67 |
| 4 | 06/21/2025 | 22:37:14 | 70.12,-163.03 | 46.65 | 06/21/2025 | 22:37:29 | 70.11,-162.96 | 46.63 | 2.83 | 15 |
| 5 | 06/21/2025 | 23:27:55 | -70.01, 4.46 | 133.48 | 06/21/2025 | 23:26:59 | -70.01, 4.52 | 133.47 | 2.13 | 56 |
| 6 | 06/24/2025 | 14:03:25 | -70.18, 145.34 | 133.25 | 06/24/2025 | 14:04:33 | -70.18, 145.36 | 133.27 | 1.20 | 68 |
| 7 | 06/24/2025 | 14:54:09 | 70.04, -47.14 | 46.61 | 06/24/2025 | 14:54:00 | 70.07, -47.15 | 46.63 | 2.75 | 9 |
| 8 | 06/24/2025 | 15:44:46 | -69.71, 120.67 | 133.74 | 06/24/2025 | 15:43:34 | -69.74, 120.03 | 133.68 | 24.85 | 72 |
| 9 | 06/27/2025 | 06:20:20 | -70.10, -98.78 | 133.24 | 06/27/2025 | 06:21:04 | -70.12, -98.84 | 133.23 | 2.96 | 44 |
| 10 | 06/27/2025 | 07:11:05 | 70.02, 68.65 | 46.68 | 06/27/2025 | 07:10:31 | 70.00, 68.64 | 46.66 | 1.98 | 34 |
| 11 | 06/29/2025 | 21:46:45 | 70.79,-151.42 | 47.63 | 06/29/2025 | 21:47:54 | 70.68,-149.76 | 47.45 | 62.35 | 69 |
| 12 | 06/29/2025 | 22:37:15 | -70.08, 17.02 | 133.12 | 06/29/2025 | 22:37:33 | -70.09, 17.01 | 133.11 | 1.64 | 18 |
| 13 | 06/29/2025 | 23:27:59 | 69.95,-175.48 | 46.75 | 06/29/2025 | 23:27:00 | 69.98,-175.51 | 46.78 | 3.11 | 59 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/17/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/17/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8