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: 1/21/2025
| 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 | 01/22/2025 | 06:45:32 | -70.18,-105.03 | 90.21 | 01/22/2025 | 06:46:14 | -70.16,-105.02 | 90.24 | 2.83 | 42 |
| 2 | 01/22/2025 | 07:36:16 | 70.06, 62.46 | 89.66 | 01/22/2025 | 07:35:41 | 70.05, 62.48 | 89.66 | 0.75 | 35 |
| 3 | 01/24/2025 | 22:11:53 | 71.07,-157.99 | 90.11 | 01/24/2025 | 22:12:59 | 70.96,-155.57 | 89.90 | 88.30 | 66 |
| 4 | 01/24/2025 | 23:02:19 | -70.16, 10.80 | 90.87 | 01/24/2025 | 23:02:42 | -70.13, 10.84 | 90.90 | 2.71 | 23 |
| 5 | 01/24/2025 | 23:53:03 | 70.03, 178.30 | 89.00 | 01/24/2025 | 23:52:09 | 70.03, 178.33 | 89.00 | 1.21 | 54 |
| 6 | 01/27/2025 | 14:28:26 | 70.32, -40.97 | 88.65 | 01/27/2025 | 14:29:38 | 70.28, -40.70 | 88.58 | 11.48 | 72 |
| 7 | 01/27/2025 | 15:19:05 | -70.09, 126.70 | 91.61 | 01/27/2025 | 15:19:09 | -70.11, 126.70 | 91.59 | 2.03 | 4 |
| 8 | 01/27/2025 | 16:09:49 | 69.97, -65.81 | 88.26 | 01/27/2025 | 16:08:36 | 70.00, -65.82 | 88.30 | 3.50 | 73 |
| 9 | 01/30/2025 | 06:45:09 | 70.17, 75.06 | 87.77 | 01/30/2025 | 06:46:04 | 70.20, 75.08 | 87.79 | 2.76 | 55 |
| 10 | 01/30/2025 | 07:35:51 | -70.10,-117.51 | 92.31 | 01/30/2025 | 07:35:34 | -70.09,-117.44 | 92.33 | 2.99 | 17 |
| 11 | 01/30/2025 | 08:26:21 | 69.23, 51.07 | 86.77 | 01/30/2025 | 08:25:13 | 69.31, 49.14 | 86.94 | 76.38 | 68 |
| 12 | 02/01/2025 | 23:01:55 | 70.14,-169.09 | 86.99 | 02/01/2025 | 23:02:29 | 70.17,-169.06 | 87.01 | 3.34 | 34 |
| 13 | 02/01/2025 | 23:52:36 | -70.02, -1.59 | 93.15 | 02/01/2025 | 23:52:00 | -70.01, -1.65 | 93.15 | 2.77 | 36 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/21/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/21/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9