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: 1/24/2025
| 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 | 01/24/2025 | 22:11:53 | 71.07,-158.00 | 90.12 | 01/24/2025 | 22:12:59 | 70.95,-155.58 | 89.90 | 88.62 | 66 |
| 2 | 01/24/2025 | 23:02:18 | -70.11, 10.87 | 90.91 | 01/24/2025 | 23:02:42 | -70.13, 10.83 | 90.90 | 2.14 | 24 |
| 3 | 01/24/2025 | 23:53:03 | 70.04, 178.29 | 89.01 | 01/24/2025 | 23:52:09 | 70.02, 178.32 | 88.99 | 2.17 | 54 |
| 4 | 01/27/2025 | 14:28:26 | 70.33, -40.99 | 88.66 | 01/27/2025 | 14:29:38 | 70.27, -40.71 | 88.57 | 12.22 | 72 |
| 5 | 01/27/2025 | 15:19:05 | -70.11, 126.68 | 91.60 | 01/27/2025 | 15:19:09 | -70.11, 126.69 | 91.60 | 0.22 | 4 |
| 6 | 01/27/2025 | 16:09:49 | 69.98, -65.82 | 88.27 | 01/27/2025 | 16:08:36 | 70.00, -65.82 | 88.30 | 2.33 | 73 |
| 7 | 01/30/2025 | 06:45:10 | 70.18, 75.05 | 87.78 | 01/30/2025 | 06:46:05 | 70.19, 75.07 | 87.79 | 1.84 | 55 |
| 8 | 01/30/2025 | 07:35:51 | -70.06,-117.45 | 92.36 | 01/30/2025 | 07:35:35 | -70.09,-117.45 | 92.33 | 2.76 | 16 |
| 9 | 01/30/2025 | 08:26:22 | 69.24, 51.06 | 86.78 | 01/30/2025 | 08:25:14 | 69.31, 49.13 | 86.93 | 75.99 | 68 |
| 10 | 02/01/2025 | 23:01:55 | 70.15,-169.11 | 87.00 | 02/01/2025 | 23:02:29 | 70.17,-169.06 | 87.01 | 2.61 | 34 |
| 11 | 02/01/2025 | 23:52:36 | -70.03, -1.60 | 93.14 | 02/01/2025 | 23:52:00 | -70.01, -1.66 | 93.16 | 3.43 | 36 |
| 12 | 02/04/2025 | 14:28:08 | -70.84, 138.29 | 93.05 | 02/04/2025 | 14:29:17 | -70.75, 140.06 | 93.22 | 65.25 | 69 |
| 13 | 02/04/2025 | 15:18:40 | 70.09, -53.20 | 86.15 | 02/04/2025 | 15:18:54 | 70.09, -53.27 | 86.15 | 2.69 | 14 |
| 14 | 02/04/2025 | 16:09:22 | -70.02, 114.22 | 93.94 | 02/04/2025 | 16:08:23 | -70.04, 114.29 | 93.92 | 3.42 | 59 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/24/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/24/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9