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: 1/8/2025
| 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 | 01/10/2025 | 06:20:43 | 70.20, 81.17 | 92.09 | 01/10/2025 | 06:21:23 | 70.17, 81.18 | 92.05 | 3.34 | 40 |
| 2 | 01/10/2025 | 07:11:24 | -70.06,-111.30 | 88.07 | 01/10/2025 | 07:10:53 | -70.06,-111.35 | 88.07 | 1.84 | 31 |
| 3 | 01/12/2025 | 22:37:31 | 70.16,-162.98 | 91.63 | 01/12/2025 | 22:37:53 | 70.13,-162.99 | 91.59 | 3.45 | 22 |
| 4 | 01/12/2025 | 23:28:12 | -70.02, 4.55 | 88.53 | 01/12/2025 | 23:27:23 | -70.02, 4.48 | 88.52 | 2.52 | 49 |
| 5 | 01/15/2025 | 14:03:39 | -70.51, 144.96 | 88.48 | 01/15/2025 | 14:04:51 | -70.38, 145.60 | 88.64 | 28.03 | 72 |
| 6 | 01/15/2025 | 14:54:18 | 70.14, -47.15 | 91.13 | 01/15/2025 | 14:54:21 | 70.11, -47.14 | 91.10 | 3.06 | 3 |
| 7 | 01/15/2025 | 15:44:59 | -70.00, 120.38 | 89.03 | 01/15/2025 | 15:43:51 | -70.00, 120.34 | 89.02 | 1.62 | 68 |
| 8 | 01/18/2025 | 06:20:22 | -70.24, -98.81 | 89.28 | 01/18/2025 | 06:21:22 | -70.22, -98.76 | 89.32 | 3.19 | 60 |
| 9 | 01/18/2025 | 07:11:06 | 70.12, 68.67 | 90.60 | 01/18/2025 | 07:10:49 | 70.11, 68.73 | 90.58 | 3.33 | 17 |
| 10 | 01/18/2025 | 08:01:37 | -69.46,-123.03 | 90.11 | 01/18/2025 | 08:00:27 | -69.56,-124.39 | 89.96 | 54.22 | 70 |
| 11 | 01/20/2025 | 22:37:09 | -70.18, 17.07 | 89.91 | 01/20/2025 | 22:37:50 | -70.17, 17.07 | 89.92 | 0.88 | 41 |
| 12 | 01/20/2025 | 23:27:53 | 70.07,-175.45 | 89.97 | 01/20/2025 | 23:27:17 | 70.06,-175.44 | 89.97 | 1.06 | 36 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 1/8/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 01/08/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8