Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/1/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 01/03/2025 | 13:38:51 | 70.74, -29.17 | 93.49 | 01/03/2025 | 13:40:00 | 70.61, -27.81 | 93.31 | 52.40 | 69 |
| 2 | 01/03/2025 | 14:29:23 | -70.12, 139.13 | 87.17 | 01/03/2025 | 14:29:37 | -70.11, 139.10 | 87.18 | 1.51 | 14 |
| 3 | 01/03/2025 | 15:20:06 | 70.02, -53.41 | 92.73 | 01/03/2025 | 15:19:03 | 70.01, -53.41 | 92.72 | 1.53 | 63 |
| 4 | 01/06/2025 | 05:55:28 | 70.21, 87.47 | 92.63 | 01/06/2025 | 05:56:30 | 70.20, 87.49 | 92.61 | 1.26 | 62 |
| 5 | 01/06/2025 | 06:46:10 | -70.11,-105.06 | 87.47 | 01/06/2025 | 06:46:00 | -70.08,-105.04 | 87.50 | 3.36 | 10 |
| 6 | 01/06/2025 | 07:36:44 | 69.48, 63.18 | 91.87 | 01/06/2025 | 07:35:34 | 69.59, 61.91 | 92.02 | 50.81 | 70 |
| 7 | 01/08/2025 | 22:12:14 | 70.14,-156.62 | 92.22 | 01/08/2025 | 22:12:53 | 70.14,-156.69 | 92.21 | 2.52 | 39 |
| 8 | 01/08/2025 | 23:02:56 | -70.05, 10.84 | 87.89 | 01/08/2025 | 23:02:23 | -70.03, 10.79 | 87.90 | 3.04 | 33 |
| 9 | 01/11/2025 | 13:38:29 | -70.90, 150.65 | 87.38 | 01/11/2025 | 13:39:37 | -70.77, 152.52 | 87.57 | 69.71 | 68 |
| 10 | 01/11/2025 | 14:29:00 | 70.12, -40.79 | 91.81 | 01/11/2025 | 14:29:14 | 70.11, -40.82 | 91.79 | 1.85 | 14 |
| 11 | 01/11/2025 | 15:19:42 | -70.03, 126.67 | 88.30 | 01/11/2025 | 15:18:44 | -70.00, 126.66 | 88.33 | 3.61 | 58 |
| 12 | 01/14/2025 | 05:55:01 | -70.20, -92.42 | 88.56 | 01/14/2025 | 05:56:07 | -70.17, -92.45 | 88.60 | 3.29 | 66 |
| 13 | 01/14/2025 | 06:45:45 | 70.10, 75.05 | 91.34 | 01/14/2025 | 06:45:33 | 70.11, 75.11 | 91.34 | 2.37 | 12 |
| 14 | 01/14/2025 | 07:36:19 | -69.64,-116.95 | 89.16 | 01/14/2025 | 07:35:07 | -69.73,-117.80 | 89.04 | 34.09 | 72 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/1/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/01/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9