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: 12/22/2024
| 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 | 12/23/2024 | 22:12:48 | 70.12,-156.71 | 93.46 | 12/23/2024 | 22:13:14 | 70.14,-156.78 | 93.47 | 3.19 | 26 |
| 2 | 12/23/2024 | 23:03:30 | -70.01, 10.78 | 86.66 | 12/23/2024 | 23:02:44 | -70.03, 10.70 | 86.64 | 3.21 | 46 |
| 3 | 12/26/2024 | 13:39:01 | -70.53, 151.14 | 86.20 | 12/26/2024 | 13:40:13 | -70.41, 151.85 | 86.34 | 29.63 | 72 |
| 4 | 12/26/2024 | 14:29:39 | 70.12, -40.92 | 93.38 | 12/26/2024 | 14:29:43 | 70.14, -40.90 | 93.40 | 2.14 | 4 |
| 5 | 12/26/2024 | 15:20:21 | -70.01, 126.56 | 86.73 | 12/26/2024 | 15:19:13 | -70.03, 126.58 | 86.71 | 2.04 | 68 |
| 6 | 12/29/2024 | 05:55:46 | -70.22, -92.60 | 86.64 | 12/29/2024 | 05:56:45 | -70.20, -92.57 | 86.67 | 2.55 | 59 |
| 7 | 12/29/2024 | 06:46:29 | 70.08, 74.93 | 93.21 | 12/29/2024 | 06:46:12 | 70.09, 74.92 | 93.22 | 1.52 | 17 |
| 8 | 12/29/2024 | 07:37:01 | -69.44,-116.81 | 87.45 | 12/29/2024 | 07:35:51 | -69.49,-118.27 | 87.37 | 57.29 | 70 |
| 9 | 12/31/2024 | 22:12:36 | -70.19, 23.23 | 86.86 | 12/31/2024 | 22:13:13 | -70.17, 23.27 | 86.89 | 3.29 | 37 |
| 10 | 12/31/2024 | 23:03:19 | 70.05,-169.24 | 93.00 | 12/31/2024 | 23:02:40 | 70.06,-169.24 | 93.00 | 0.51 | 39 |
| 11 | 01/03/2025 | 13:38:52 | 70.76, -29.21 | 93.50 | 01/03/2025 | 13:40:01 | 70.69, -27.71 | 93.38 | 55.75 | 69 |
| 12 | 01/03/2025 | 14:29:24 | -70.13, 139.12 | 87.17 | 01/03/2025 | 14:29:39 | -70.14, 139.13 | 87.15 | 1.91 | 15 |
| 13 | 01/03/2025 | 15:20:08 | 70.04, -53.44 | 92.74 | 01/03/2025 | 15:19:06 | 70.03, -53.39 | 92.74 | 2.05 | 62 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/22/2024
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/22/2024 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9