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: 1/18/2025
| 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 | 01/19/2025 | 14:28:45 | -70.18, 139.17 | 89.62 | 01/19/2025 | 14:29:46 | -70.16, 139.11 | 89.65 | 2.98 | 61 |
| 2 | 01/19/2025 | 15:19:29 | 70.06, -53.34 | 90.25 | 01/19/2025 | 15:19:13 | 70.06, -53.39 | 90.25 | 1.86 | 16 |
| 3 | 01/19/2025 | 16:10:01 | -69.46, 114.87 | 90.39 | 01/19/2025 | 16:08:51 | -69.51, 113.48 | 90.28 | 54.24 | 70 |
| 4 | 01/22/2025 | 06:45:32 | -70.14,-104.97 | 90.25 | 01/22/2025 | 06:46:15 | -70.16,-105.01 | 90.24 | 2.92 | 43 |
| 5 | 01/22/2025 | 07:36:17 | 70.07, 62.45 | 89.67 | 01/22/2025 | 07:35:42 | 70.05, 62.48 | 89.65 | 2.38 | 35 |
| 6 | 01/24/2025 | 22:11:53 | 71.07,-157.99 | 90.11 | 01/24/2025 | 22:12:59 | 70.98,-155.53 | 89.93 | 89.53 | 66 |
| 7 | 01/24/2025 | 23:02:19 | -70.16, 10.80 | 90.87 | 01/24/2025 | 23:02:42 | -70.16, 10.88 | 90.87 | 3.03 | 23 |
| 8 | 01/24/2025 | 23:53:03 | 70.03, 178.30 | 89.00 | 01/24/2025 | 23:52:09 | 70.05, 178.37 | 89.02 | 3.38 | 54 |
| 9 | 01/27/2025 | 14:28:27 | 70.37, -41.05 | 88.69 | 01/27/2025 | 14:29:39 | 70.29, -40.69 | 88.59 | 15.96 | 72 |
| 10 | 01/27/2025 | 15:19:06 | -70.13, 126.63 | 91.56 | 01/27/2025 | 15:19:10 | -70.13, 126.71 | 91.58 | 3.06 | 4 |
| 11 | 01/27/2025 | 16:09:50 | 70.01, -65.87 | 88.30 | 01/27/2025 | 16:08:37 | 70.01, -65.80 | 88.31 | 2.63 | 73 |
| 12 | 01/30/2025 | 06:45:11 | 70.20, 75.02 | 87.80 | 01/30/2025 | 06:46:07 | 70.20, 75.08 | 87.79 | 2.48 | 56 |
| 13 | 01/30/2025 | 07:35:52 | -70.07,-117.47 | 92.34 | 01/30/2025 | 07:35:38 | -70.05,-117.51 | 92.37 | 3.25 | 14 |
| 14 | 01/30/2025 | 08:26:24 | 69.31, 50.95 | 86.85 | 01/30/2025 | 08:25:15 | 69.38, 49.22 | 87.00 | 68.40 | 69 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/18/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/18/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9