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: 3/22/2025
| 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 | 03/23/2025 | 06:20:07 | -70.19, -98.79 | 110.97 | 03/23/2025 | 06:21:00 | -70.18, -98.83 | 110.99 | 1.61 | 53 |
| 2 | 03/23/2025 | 07:10:51 | 70.09, 68.68 | 68.91 | 03/23/2025 | 07:10:27 | 70.08, 68.67 | 68.90 | 1.04 | 24 |
| 3 | 03/23/2025 | 08:01:18 | -69.19,-122.70 | 112.04 | 03/23/2025 | 08:00:10 | -69.25,-124.82 | 111.90 | 84.05 | 68 |
| 4 | 03/25/2025 | 22:36:59 | -70.18, 17.00 | 112.04 | 03/25/2025 | 22:37:27 | -70.19, 17.06 | 112.04 | 2.75 | 28 |
| 5 | 03/25/2025 | 23:27:42 | 70.03,-175.47 | 67.80 | 03/25/2025 | 23:26:55 | 70.03,-175.52 | 67.80 | 2.34 | 47 |
| 6 | 03/28/2025 | 14:03:12 | 70.42, -34.91 | 67.17 | 03/28/2025 | 14:04:23 | 70.34, -34.47 | 67.07 | 18.57 | 71 |
| 7 | 03/28/2025 | 14:53:51 | -70.15, 132.83 | 113.13 | 03/28/2025 | 14:53:55 | -70.12, 132.85 | 113.16 | 2.84 | 4 |
| 8 | 03/28/2025 | 15:44:34 | 70.01, -59.64 | 66.71 | 03/28/2025 | 15:43:22 | 70.01, -59.66 | 66.73 | 0.93 | 72 |
| 9 | 03/31/2025 | 06:20:00 | 70.20, 81.21 | 65.90 | 03/31/2025 | 06:20:51 | 70.19, 81.21 | 65.88 | 0.93 | 51 |
| 10 | 03/31/2025 | 07:10:42 | -70.08,-111.29 | 114.24 | 03/31/2025 | 07:10:21 | -70.09,-111.31 | 114.24 | 1.11 | 21 |
| 11 | 03/31/2025 | 08:01:09 | 69.09, 57.46 | 64.72 | 03/31/2025 | 08:00:03 | 69.14, 55.05 | 64.85 | 95.58 | 66 |
| 12 | 04/02/2025 | 22:36:51 | 70.16,-162.94 | 64.82 | 04/02/2025 | 22:37:15 | 70.19,-162.91 | 64.84 | 3.16 | 24 |
| 13 | 04/02/2025 | 23:27:33 | -70.04, 4.56 | 115.33 | 04/02/2025 | 23:26:46 | -70.03, 4.50 | 115.33 | 2.65 | 47 |
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 3/22/2025
Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 03/22/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-8