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: 6/19/2025
| 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 | 70.13, 81.19 | 46.66 | 06/19/2025 | 06:20:59 | 70.11, 81.16 | 46.63 | 2.81 | 41 |
| 2 | 06/19/2025 | 07:10:59 | -70.02,-111.32 | 133.46 | 06/19/2025 | 07:10:28 | -70.05,-111.29 | 133.43 | 3.37 | 31 |
| 3 | 06/21/2025 | 21:46:43 | -70.92, 28.38 | 132.51 | 06/21/2025 | 21:47:51 | -70.84, 30.47 | 132.67 | 76.93 | 68 |
| 4 | 06/21/2025 | 22:37:14 | 70.10,-162.99 | 46.62 | 06/21/2025 | 22:37:30 | 70.08,-163.01 | 46.60 | 1.78 | 16 |
| 5 | 06/21/2025 | 23:27:55 | -69.99, 4.50 | 133.50 | 06/21/2025 | 23:27:00 | -69.97, 4.47 | 133.51 | 1.54 | 55 |
| 6 | 06/24/2025 | 14:03:24 | -70.16, 145.37 | 133.28 | 06/24/2025 | 14:04:33 | -70.15, 145.32 | 133.30 | 2.36 | 69 |
| 7 | 06/24/2025 | 14:54:09 | 70.07, -47.18 | 46.63 | 06/24/2025 | 14:54:00 | 70.04, -47.19 | 46.60 | 3.34 | 9 |
| 8 | 06/24/2025 | 15:44:45 | -69.69, 120.71 | 133.77 | 06/24/2025 | 15:43:33 | -69.77, 120.07 | 133.66 | 26.35 | 72 |
| 9 | 06/27/2025 | 06:20:20 | -70.13, -98.81 | 133.22 | 06/27/2025 | 06:21:03 | -70.14, -98.80 | 133.21 | 1.98 | 43 |
| 10 | 06/27/2025 | 07:11:05 | 70.04, 68.62 | 46.70 | 06/27/2025 | 07:10:30 | 70.03, 68.68 | 46.69 | 2.64 | 35 |
| 11 | 06/29/2025 | 21:46:46 | 70.81,-151.45 | 47.65 | 06/29/2025 | 21:47:54 | 70.72,-149.71 | 47.48 | 64.70 | 68 |
| 12 | 06/29/2025 | 22:37:16 | -70.10, 16.99 | 133.10 | 06/29/2025 | 22:37:34 | -70.07, 16.97 | 133.14 | 3.44 | 18 |
| 13 | 06/29/2025 | 23:28:00 | 69.97,-175.50 | 46.77 | 06/29/2025 | 23:27:01 | 69.95,-175.55 | 46.76 | 2.38 | 59 |
| 14 | 07/02/2025 | 14:03:30 | 70.16, -34.65 | 47.15 | 07/02/2025 | 14:04:33 | 70.18, -34.61 | 47.16 | 3.11 | 63 |
| 15 | 07/02/2025 | 14:54:11 | -70.02, 132.87 | 132.99 | 07/02/2025 | 14:54:04 | -70.03, 132.80 | 132.98 | 2.86 | 7 |
| 16 | 07/02/2025 | 15:44:48 | 69.53, -59.08 | 46.49 | 07/02/2025 | 15:43:37 | 69.58, -60.17 | 46.60 | 42.88 | 71 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/19/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/19/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8