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: 4/27/2025
| 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 | 04/29/2025 | 14:02:52 | 71.02, -35.80 | 56.33 | 04/29/2025 | 14:03:59 | 70.96, -33.58 | 56.20 | 80.81 | 67 |
| 2 | 04/29/2025 | 14:53:20 | -70.18, 132.89 | 124.57 | 04/29/2025 | 14:53:41 | -70.19, 132.91 | 124.57 | 1.44 | 21 |
| 3 | 04/29/2025 | 15:44:04 | 70.08, -59.65 | 55.32 | 04/29/2025 | 15:43:08 | 70.08, -59.59 | 55.33 | 2.46 | 56 |
| 4 | 05/02/2025 | 06:19:36 | 70.24, 81.22 | 54.70 | 05/02/2025 | 06:20:41 | 70.24, 81.23 | 54.69 | 0.47 | 65 |
| 5 | 05/02/2025 | 07:10:18 | -70.13,-111.29 | 125.43 | 05/02/2025 | 07:10:11 | -70.13,-111.30 | 125.43 | 0.20 | 7 |
| 6 | 05/02/2025 | 08:00:55 | 69.66, 56.72 | 54.08 | 05/02/2025 | 07:59:44 | 69.69, 55.74 | 54.14 | 38.09 | 71 |
| 7 | 05/04/2025 | 22:36:34 | 70.21,-162.98 | 53.89 | 05/04/2025 | 22:37:10 | 70.20,-162.96 | 53.87 | 1.62 | 36 |
| 8 | 05/04/2025 | 23:27:16 | -70.10, 4.51 | 126.24 | 05/04/2025 | 23:26:40 | -70.09, 4.52 | 126.25 | 1.16 | 36 |
| 9 | 05/07/2025 | 14:02:55 | -70.66, 144.76 | 126.39 | 05/07/2025 | 14:04:06 | -70.56, 145.80 | 126.52 | 40.07 | 71 |
| 10 | 05/07/2025 | 14:53:31 | 70.19, -47.19 | 53.12 | 05/07/2025 | 14:53:37 | 70.17, -47.11 | 53.10 | 3.58 | 6 |
| 11 | 05/07/2025 | 15:44:13 | -70.08, 120.29 | 127.01 | 05/07/2025 | 15:43:07 | -70.07, 120.37 | 127.02 | 3.28 | 66 |
| 12 | 05/10/2025 | 06:19:44 | -70.23, -98.81 | 127.55 | 05/10/2025 | 06:20:38 | -70.23, -98.80 | 127.56 | 0.86 | 54 |
| 13 | 05/10/2025 | 07:10:28 | 70.13, 68.66 | 52.34 | 05/10/2025 | 07:10:05 | 70.11, 68.68 | 52.32 | 2.53 | 23 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/27/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 04/27/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8