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: 4/2/2026
| 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 | 04/03/2026 | 05:30:28 | -70.30, -86.31 | 115.06 | 04/03/2026 | 05:31:24 | -70.33, -86.27 | 115.05 | 3.36 | 56 |
| 2 | 04/03/2026 | 06:21:12 | 70.19, 81.16 | 64.82 | 04/03/2026 | 06:20:52 | 70.17, 81.15 | 64.80 | 2.62 | 20 |
| 3 | 04/03/2026 | 07:11:41 | -69.41,-110.35 | 116.01 | 04/03/2026 | 07:10:33 | -69.45,-112.22 | 115.91 | 73.25 | 68 |
| 4 | 04/05/2026 | 21:47:21 | -70.27, 29.52 | 116.12 | 04/05/2026 | 21:47:50 | -70.29, 29.56 | 116.11 | 2.62 | 29 |
| 5 | 04/05/2026 | 22:38:05 | 70.17,-163.02 | 63.77 | 04/05/2026 | 22:37:17 | 70.19,-162.94 | 63.79 | 3.08 | 48 |
| 6 | 04/08/2026 | 13:13:34 | 70.47, -22.32 | 63.09 | 04/08/2026 | 13:14:45 | 70.39, -22.03 | 63.00 | 13.62 | 71 |
| 7 | 04/08/2026 | 14:04:14 | -70.25, 145.34 | 117.15 | 04/08/2026 | 14:04:16 | -70.23, 145.36 | 117.18 | 3.04 | 2 |
| 8 | 04/08/2026 | 14:54:56 | 70.06, -47.05 | 62.64 | 04/08/2026 | 14:53:44 | 70.06, -47.23 | 62.65 | 7.02 | 72 |
| 9 | 04/11/2026 | 05:30:23 | 70.31, 93.73 | 61.93 | 04/11/2026 | 05:31:10 | 70.30, 93.72 | 61.91 | 1.25 | 47 |
| 10 | 04/11/2026 | 06:21:05 | -70.19, -98.77 | 118.21 | 04/11/2026 | 06:20:40 | -70.18, -98.81 | 118.22 | 1.43 | 25 |
| 11 | 04/13/2026 | 20:56:48 | -71.22, 40.70 | 118.09 | 04/13/2026 | 20:57:54 | -71.10, 43.18 | 118.28 | 90.20 | 66 |
| 12 | 04/13/2026 | 21:47:15 | 70.26,-150.40 | 60.89 | 04/13/2026 | 21:47:34 | 70.28,-150.41 | 60.91 | 2.45 | 19 |
| 13 | 04/13/2026 | 22:37:58 | -70.18, 17.02 | 119.20 | 04/13/2026 | 22:37:04 | -70.17, 17.06 | 119.21 | 2.30 | 54 |
| 14 | 04/16/2026 | 13:13:24 | -70.34, 157.95 | 119.97 | 04/16/2026 | 13:14:31 | -70.35, 157.94 | 119.97 | 1.07 | 67 |
| 15 | 04/16/2026 | 14:04:07 | 70.21, -34.55 | 59.89 | 04/16/2026 | 14:03:58 | 70.23, -34.59 | 59.91 | 2.41 | 9 |
| 16 | 04/16/2026 | 14:54:44 | -69.82, 133.37 | 120.53 | 04/16/2026 | 14:53:32 | -69.90, 132.59 | 120.43 | 31.29 | 72 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 4/2/2026
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 04/02/2026 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8