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: 2/1/2025
| 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 | 02/01/2025 | 23:02:10 | 70.15,-169.17 | 87.00 | 02/01/2025 | 23:02:36 | 70.17,-169.10 | 87.01 | 3.46 | 26 |
| 2 | 02/01/2025 | 23:52:51 | -70.04, -1.68 | 93.13 | 02/01/2025 | 23:52:06 | -70.06, -1.62 | 93.11 | 3.25 | 45 |
| 3 | 02/04/2025 | 14:28:26 | -70.40, 138.90 | 93.52 | 02/04/2025 | 14:29:38 | -70.30, 139.32 | 93.65 | 19.04 | 72 |
| 4 | 02/04/2025 | 15:19:07 | 70.09, -53.32 | 86.15 | 02/04/2025 | 15:19:07 | 70.08, -53.34 | 86.14 | 1.17 | 0 |
| 5 | 02/04/2025 | 16:09:48 | -69.98, 114.17 | 93.99 | 02/04/2025 | 16:08:37 | -69.98, 114.14 | 93.98 | 1.28 | 71 |
| 6 | 02/07/2025 | 06:45:20 | -70.19,-105.03 | 94.56 | 02/07/2025 | 06:46:09 | -70.17,-104.98 | 94.59 | 2.98 | 49 |
| 7 | 02/07/2025 | 07:36:04 | 70.05, 62.50 | 85.28 | 02/07/2025 | 07:35:36 | 70.06, 62.50 | 85.30 | 1.50 | 28 |
| 8 | 02/07/2025 | 08:26:28 | -69.03,-128.71 | 95.80 | 02/07/2025 | 08:25:22 | -69.08,-131.19 | 95.64 | 98.89 | 66 |
| 9 | 02/09/2025 | 22:11:48 | 70.97,-157.84 | 85.43 | 02/09/2025 | 22:12:55 | 70.87,-155.70 | 85.23 | 78.80 | 67 |
| 10 | 02/09/2025 | 23:02:15 | -70.12, 10.85 | 95.50 | 02/09/2025 | 23:02:37 | -70.11, 10.81 | 95.51 | 1.55 | 22 |
| 11 | 02/09/2025 | 23:53:00 | 70.03, 178.29 | 84.40 | 02/09/2025 | 23:52:04 | 69.99, 178.29 | 84.38 | 3.52 | 56 |
| 12 | 02/12/2025 | 14:28:30 | 70.18, -40.81 | 83.70 | 02/12/2025 | 14:29:35 | 70.16, -40.87 | 83.67 | 3.36 | 65 |
| 13 | 02/12/2025 | 15:19:11 | -70.06, 126.69 | 96.44 | 02/12/2025 | 15:19:05 | -70.06, 126.62 | 96.44 | 2.72 | 6 |
| 14 | 02/12/2025 | 16:09:48 | 69.55, -65.24 | 83.01 | 02/12/2025 | 16:08:38 | 69.61, -66.36 | 83.13 | 43.84 | 70 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/1/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/01/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9