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: 4/20/2024
| 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 | 04/22/2024 | 14:27:53 | -71.07, 137.54 | 121.45 | 04/22/2024 | 14:28:59 | -70.94, 140.24 | 121.65 | 99.00 | 66 |
| 2 | 04/22/2024 | 15:18:19 | 70.02, -53.46 | 57.45 | 04/22/2024 | 15:18:41 | 70.01, -53.48 | 57.44 | 1.23 | 22 |
| 3 | 04/22/2024 | 16:09:01 | -69.92, 114.00 | 122.67 | 04/22/2024 | 16:08:11 | -69.90, 113.99 | 122.69 | 2.93 | 50 |
| 4 | 04/25/2024 | 06:44:29 | -70.10,-105.12 | 123.34 | 04/25/2024 | 06:45:36 | -70.12,-105.08 | 123.34 | 2.12 | 67 |
| 5 | 04/25/2024 | 07:35:13 | 69.99, 62.35 | 56.54 | 04/25/2024 | 07:35:03 | 70.00, 62.40 | 56.54 | 2.04 | 10 |
| 6 | 04/25/2024 | 08:25:49 | -69.58,-129.71 | 123.90 | 04/25/2024 | 08:24:37 | -69.67,-130.42 | 123.79 | 29.12 | 72 |
| 7 | 04/27/2024 | 23:01:22 | -70.04, 10.75 | 124.26 | 04/27/2024 | 23:01:58 | -70.04, 10.72 | 124.27 | 1.67 | 36 |
| 8 | 04/27/2024 | 23:52:06 | 69.94, 178.22 | 55.63 | 04/27/2024 | 23:51:25 | 69.92, 178.20 | 55.61 | 2.74 | 41 |
| 9 | 04/30/2024 | 14:27:35 | 70.22, -41.05 | 55.11 | 04/30/2024 | 14:28:47 | 70.15, -40.83 | 55.03 | 10.64 | 72 |
| 10 | 04/30/2024 | 15:18:15 | -70.01, 126.59 | 125.12 | 04/30/2024 | 15:18:18 | -69.99, 126.57 | 125.14 | 2.25 | 3 |
| 11 | 04/30/2024 | 16:08:58 | 69.85, -65.87 | 54.71 | 04/30/2024 | 16:07:45 | 69.87, -65.96 | 54.73 | 3.67 | 73 |
| 12 | 05/03/2024 | 06:44:25 | 70.10, 74.92 | 54.19 | 05/03/2024 | 06:45:05 | 70.09, 75.00 | 54.17 | 3.17 | 40 |
| 13 | 05/03/2024 | 07:35:06 | -69.94,-117.53 | 125.99 | 05/03/2024 | 07:34:36 | -69.93,-117.60 | 126.00 | 3.33 | 30 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/20/2024
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 04/20/2024 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9