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: 12/19/2024
| 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 | 12/21/2024 | 05:55:59 | 70.18, 87.42 | 93.54 | 12/21/2024 | 05:56:43 | 70.21, 87.46 | 93.57 | 3.31 | 44 |
| 2 | 12/21/2024 | 06:46:41 | -70.07,-105.10 | 86.57 | 12/21/2024 | 06:46:13 | -70.10,-105.07 | 86.55 | 2.77 | 28 |
| 3 | 12/23/2024 | 22:12:49 | 70.17,-156.77 | 93.51 | 12/23/2024 | 22:13:11 | 70.16,-156.73 | 93.50 | 1.85 | 22 |
| 4 | 12/23/2024 | 23:03:31 | -70.06, 10.71 | 86.61 | 12/23/2024 | 23:02:41 | -70.05, 10.75 | 86.61 | 1.48 | 50 |
| 5 | 12/26/2024 | 13:38:59 | -70.41, 151.32 | 86.32 | 12/26/2024 | 13:40:10 | -70.35, 151.78 | 86.40 | 18.47 | 71 |
| 6 | 12/26/2024 | 14:29:39 | 70.11, -40.91 | 93.37 | 12/26/2024 | 14:29:39 | 70.13, -40.89 | 93.39 | 1.80 | 0 |
| 7 | 12/26/2024 | 15:20:21 | -70.00, 126.58 | 86.75 | 12/26/2024 | 15:19:09 | -70.02, 126.59 | 86.72 | 2.16 | 72 |
| 8 | 12/29/2024 | 05:55:46 | -70.21, -92.58 | 86.66 | 12/29/2024 | 05:56:39 | -70.21, -92.52 | 86.66 | 2.29 | 53 |
| 9 | 12/29/2024 | 06:46:29 | 70.07, 74.95 | 93.20 | 12/29/2024 | 06:46:07 | 70.05, 74.88 | 93.18 | 3.34 | 22 |
| 10 | 12/29/2024 | 07:36:57 | -69.21,-116.49 | 87.69 | 12/29/2024 | 07:35:49 | -69.28,-118.53 | 87.57 | 80.58 | 68 |
| 11 | 12/31/2024 | 22:12:36 | -70.18, 23.25 | 86.88 | 12/31/2024 | 22:13:06 | -70.15, 23.28 | 86.91 | 3.35 | 30 |
| 12 | 12/31/2024 | 23:03:19 | 70.04,-169.22 | 92.98 | 12/31/2024 | 23:02:33 | 70.03,-169.24 | 92.98 | 0.98 | 46 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 12/19/2024
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 12/19/2024 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9