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: 3/10/2026
| 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 | 03/10/2026 | 05:30:39 | 70.25, 93.66 | 74.36 | 03/10/2026 | 05:31:40 | 70.27, 93.64 | 74.37 | 2.05 | 61 |
| 2 | 03/10/2026 | 06:21:20 | -70.13, -98.84 | 105.78 | 03/10/2026 | 06:21:10 | -70.15, -98.89 | 105.76 | 2.38 | 10 |
| 3 | 03/10/2026 | 07:11:55 | 69.51, 69.39 | 73.56 | 03/10/2026 | 07:10:46 | 69.55, 67.92 | 73.66 | 57.30 | 69 |
| 4 | 03/12/2026 | 21:47:33 | 70.22,-150.52 | 73.28 | 03/12/2026 | 21:48:07 | 70.20,-150.57 | 73.24 | 3.37 | 34 |
| 5 | 03/12/2026 | 22:38:15 | -70.16, 16.90 | 106.81 | 03/12/2026 | 22:37:36 | -70.14, 16.98 | 106.83 | 3.63 | 39 |
| 6 | 03/15/2026 | 13:13:49 | -70.71, 157.18 | 107.27 | 03/15/2026 | 13:14:59 | -70.60, 158.26 | 107.43 | 41.45 | 70 |
| 7 | 03/15/2026 | 14:04:26 | 70.21, -34.72 | 72.20 | 03/15/2026 | 14:04:31 | 70.22, -34.65 | 72.20 | 2.51 | 5 |
| 8 | 03/15/2026 | 14:55:07 | -70.08, 132.80 | 107.96 | 03/15/2026 | 14:54:01 | -70.10, 132.82 | 107.93 | 2.56 | 66 |
| 9 | 03/18/2026 | 05:30:35 | -70.27, -86.34 | 108.79 | 03/18/2026 | 05:31:30 | -70.27, -86.33 | 108.81 | 0.86 | 55 |
| 10 | 03/18/2026 | 06:21:19 | 70.15, 81.16 | 71.07 | 03/18/2026 | 06:20:57 | 70.15, 81.15 | 71.07 | 0.48 | 22 |
| 11 | 03/18/2026 | 07:11:47 | -69.33,-110.31 | 109.81 | 03/18/2026 | 07:10:39 | -69.39,-112.27 | 109.67 | 77.39 | 68 |
| 12 | 03/20/2026 | 21:47:28 | -70.22, 29.53 | 109.92 | 03/20/2026 | 21:47:55 | -70.24, 29.52 | 109.90 | 2.38 | 27 |
| 13 | 03/20/2026 | 22:38:12 | 70.10,-162.98 | 69.95 | 03/20/2026 | 22:37:22 | 70.12,-163.00 | 69.98 | 2.52 | 50 |
| 14 | 03/23/2026 | 13:13:40 | 70.31, -22.15 | 69.14 | 03/23/2026 | 13:14:50 | 70.29, -22.15 | 69.10 | 3.09 | 70 |
| 15 | 03/23/2026 | 14:04:21 | -70.17, 145.39 | 111.03 | 03/23/2026 | 14:04:20 | -70.18, 145.33 | 111.02 | 2.86 | 1 |
| 16 | 03/23/2026 | 14:55:02 | 69.90, -46.89 | 68.68 | 03/23/2026 | 14:53:49 | 69.95, -47.35 | 68.76 | 18.41 | 73 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/10/2026
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/10/2026 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8