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: 2/15/2025
| 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 | 02/15/2025 | 06:45:29 | 70.19, 74.93 | 82.80 | 02/15/2025 | 06:46:12 | 70.18, 75.00 | 82.78 | 2.64 | 43 |
| 2 | 02/15/2025 | 07:36:10 | -70.08,-117.59 | 97.33 | 02/15/2025 | 07:35:42 | -70.07,-117.53 | 97.34 | 2.49 | 28 |
| 3 | 02/17/2025 | 22:11:54 | -71.01, 22.06 | 97.26 | 02/17/2025 | 22:13:01 | -70.94, 24.36 | 97.43 | 83.89 | 67 |
| 4 | 02/17/2025 | 23:02:24 | 70.12,-169.22 | 81.80 | 02/17/2025 | 23:02:41 | 70.12,-169.20 | 81.79 | 0.61 | 17 |
| 5 | 02/17/2025 | 23:53:05 | -70.01, -1.73 | 98.34 | 02/17/2025 | 23:52:11 | -70.01, -1.72 | 98.33 | 0.20 | 54 |
| 6 | 02/20/2025 | 14:28:35 | -70.17, 139.17 | 99.11 | 02/20/2025 | 14:29:43 | -70.19, 139.13 | 99.09 | 3.06 | 68 |
| 7 | 02/20/2025 | 15:19:20 | 70.08, -53.38 | 80.79 | 02/20/2025 | 15:19:10 | 70.08, -53.38 | 80.80 | 0.85 | 10 |
| 8 | 02/20/2025 | 16:09:56 | -69.70, 114.50 | 99.63 | 02/20/2025 | 16:08:44 | -69.76, 113.80 | 99.53 | 28.09 | 72 |
| 9 | 02/23/2025 | 06:45:32 | -70.18,-105.09 | 100.07 | 02/23/2025 | 06:46:11 | -70.17,-105.02 | 100.10 | 2.80 | 39 |
| 10 | 02/23/2025 | 07:36:16 | 70.04, 62.43 | 79.77 | 02/23/2025 | 07:35:38 | 70.05, 62.46 | 79.79 | 1.97 | 38 |
| 11 | 02/25/2025 | 22:11:53 | 70.59,-157.29 | 79.39 | 02/25/2025 | 22:13:04 | 70.48,-156.32 | 79.22 | 38.36 | 71 |
| 12 | 02/25/2025 | 23:02:27 | -70.10, 10.80 | 101.16 | 02/25/2025 | 23:02:39 | -70.10, 10.76 | 101.16 | 1.39 | 12 |
| 13 | 02/25/2025 | 23:53:11 | 69.96, 178.31 | 78.69 | 02/25/2025 | 23:52:06 | 69.98, 178.25 | 78.72 | 3.31 | 65 |
| 14 | 02/28/2025 | 14:28:40 | 70.16, -40.85 | 77.91 | 02/28/2025 | 14:29:35 | 70.14, -40.91 | 77.89 | 3.02 | 55 |
| 15 | 02/28/2025 | 15:19:22 | -70.08, 126.59 | 102.19 | 02/28/2025 | 15:19:04 | -70.09, 126.65 | 102.17 | 2.89 | 18 |
| 16 | 02/28/2025 | 16:09:52 | 69.20, -64.82 | 76.89 | 02/28/2025 | 16:08:44 | 69.26, -66.84 | 77.03 | 79.88 | 68 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/15/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/15/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9