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: 1/6/2025
| 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 | 01/06/2025 | 05:55:30 | 70.22, 87.45 | 92.64 | 01/06/2025 | 05:56:39 | 70.22, 87.48 | 92.64 | 1.43 | 69 |
| 2 | 01/06/2025 | 06:46:12 | -70.12,-105.09 | 87.46 | 01/06/2025 | 06:46:09 | -70.11,-105.04 | 87.48 | 2.09 | 3 |
| 3 | 01/06/2025 | 07:36:51 | 69.75, 62.78 | 92.15 | 01/06/2025 | 07:35:39 | 69.85, 62.23 | 92.27 | 23.63 | 72 |
| 4 | 01/08/2025 | 22:12:18 | 70.16,-156.67 | 92.24 | 01/08/2025 | 22:13:10 | 70.18,-156.70 | 92.26 | 2.74 | 52 |
| 5 | 01/08/2025 | 23:03:00 | -70.07, 10.79 | 87.86 | 01/08/2025 | 23:02:40 | -70.08, 10.78 | 87.86 | 0.70 | 20 |
| 6 | 01/08/2025 | 23:53:28 | 69.11, 179.49 | 91.14 | 01/08/2025 | 23:52:21 | 69.20, 177.23 | 91.30 | 89.90 | 67 |
| 7 | 01/11/2025 | 14:29:07 | 70.18, -40.90 | 91.86 | 01/11/2025 | 14:29:40 | 70.18, -40.83 | 91.86 | 2.97 | 33 |
| 8 | 01/11/2025 | 15:19:48 | -70.04, 126.63 | 88.30 | 01/11/2025 | 15:19:11 | -70.03, 126.58 | 88.30 | 2.32 | 37 |
| 9 | 01/14/2025 | 05:55:24 | -71.00, -93.74 | 87.72 | 01/14/2025 | 05:56:31 | -70.88, -91.56 | 87.92 | 80.26 | 67 |
| 10 | 01/14/2025 | 06:45:53 | 70.11, 75.00 | 91.34 | 01/14/2025 | 06:46:10 | 70.11, 74.95 | 91.34 | 2.09 | 17 |
| 11 | 01/14/2025 | 07:36:35 | -70.02,-117.54 | 88.76 | 01/14/2025 | 07:35:40 | -70.01,-117.56 | 88.77 | 1.07 | 55 |
| 12 | 01/16/2025 | 22:12:00 | -70.37, 23.08 | 88.88 | 01/16/2025 | 22:13:11 | -70.30, 23.46 | 88.97 | 15.95 | 71 |
| 13 | 01/16/2025 | 23:02:41 | 70.11,-169.20 | 90.84 | 01/16/2025 | 23:02:40 | 70.08,-169.22 | 90.81 | 3.27 | 1 |
| 14 | 01/16/2025 | 23:53:22 | -69.97, -1.67 | 89.32 | 01/16/2025 | 23:52:10 | -69.98, -1.73 | 89.29 | 2.76 | 72 |
| 15 | 01/19/2025 | 14:28:44 | -70.18, 139.18 | 89.62 | 01/19/2025 | 14:29:42 | -70.20, 139.19 | 89.61 | 2.68 | 58 |
| 16 | 01/19/2025 | 15:19:28 | 70.07, -53.35 | 90.26 | 01/19/2025 | 15:19:09 | 70.08, -53.33 | 90.27 | 1.50 | 19 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/6/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/06/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9