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: 3/23/2025
| 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 | 03/24/2025 | 14:28:33 | -70.18, 139.11 | 111.51 | 03/24/2025 | 14:29:26 | -70.16, 139.10 | 111.54 | 2.13 | 53 |
| 2 | 03/24/2025 | 15:19:17 | 70.08, -53.42 | 68.37 | 03/24/2025 | 15:18:53 | 70.06, -53.40 | 68.35 | 2.56 | 24 |
| 3 | 03/24/2025 | 16:09:44 | -69.19, 115.20 | 112.58 | 03/24/2025 | 16:08:36 | -69.23, 113.11 | 112.45 | 82.74 | 68 |
| 4 | 03/27/2025 | 06:45:25 | -70.14,-105.04 | 112.61 | 03/27/2025 | 06:45:55 | -70.13,-105.06 | 112.62 | 0.91 | 30 |
| 5 | 03/27/2025 | 07:36:09 | 70.04, 62.41 | 67.28 | 03/27/2025 | 07:35:22 | 70.02, 62.43 | 67.26 | 2.23 | 47 |
| 6 | 03/29/2025 | 22:11:38 | 70.44,-157.05 | 66.67 | 03/29/2025 | 22:12:49 | 70.34,-156.51 | 66.54 | 23.05 | 71 |
| 7 | 03/29/2025 | 23:02:16 | -70.12, 10.77 | 113.69 | 03/29/2025 | 23:02:21 | -70.12, 10.81 | 113.68 | 1.73 | 5 |
| 8 | 03/29/2025 | 23:53:00 | 70.03, 178.21 | 66.21 | 03/29/2025 | 23:51:48 | 70.01, 178.29 | 66.20 | 3.62 | 72 |
| 9 | 04/01/2025 | 14:28:25 | 70.18, -40.87 | 65.36 | 04/01/2025 | 14:29:17 | 70.19, -40.84 | 65.35 | 0.93 | 52 |
| 10 | 04/01/2025 | 15:19:07 | -70.06, 126.63 | 114.78 | 04/01/2025 | 15:18:47 | -70.08, 126.64 | 114.77 | 1.92 | 20 |
| 11 | 04/01/2025 | 16:09:35 | 69.13, -64.70 | 64.24 | 04/01/2025 | 16:08:28 | 69.19, -66.93 | 64.38 | 88.28 | 67 |
| 12 | 04/04/2025 | 06:45:16 | 70.16, 74.95 | 64.30 | 04/04/2025 | 06:45:41 | 70.16, 75.02 | 64.30 | 2.52 | 25 |
| 13 | 04/04/2025 | 07:35:58 | -70.03,-117.54 | 115.84 | 04/04/2025 | 07:35:11 | -70.06,-117.49 | 115.82 | 3.18 | 47 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/23/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/23/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9