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: 6/4/2025
| 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 | 06/04/2025 | 14:28:35 | 70.11, -40.84 | 47.53 | 06/04/2025 | 14:28:57 | 70.12, -40.86 | 47.54 | 1.61 | 22 |
| 2 | 06/04/2025 | 15:19:16 | -70.00, 126.65 | 132.59 | 06/04/2025 | 15:18:27 | -70.00, 126.61 | 132.58 | 1.56 | 49 |
| 3 | 06/07/2025 | 05:54:47 | -70.20, -92.53 | 132.65 | 06/07/2025 | 05:55:58 | -70.20, -92.50 | 132.66 | 0.97 | 71 |
| 4 | 06/07/2025 | 06:45:32 | 70.10, 74.93 | 47.26 | 06/07/2025 | 06:45:25 | 70.10, 75.00 | 47.25 | 2.87 | 7 |
| 5 | 06/07/2025 | 07:36:10 | -69.83,-117.34 | 133.03 | 06/07/2025 | 07:34:57 | -69.87,-117.68 | 132.98 | 13.80 | 73 |
| 6 | 06/09/2025 | 22:11:43 | -70.14, 23.32 | 132.93 | 06/09/2025 | 22:12:26 | -70.16, 23.33 | 132.92 | 1.48 | 43 |
| 7 | 06/09/2025 | 23:02:28 | 70.05,-169.23 | 46.98 | 06/09/2025 | 23:01:53 | 70.05,-169.17 | 46.98 | 2.42 | 35 |
| 8 | 06/12/2025 | 13:38:07 | 70.69, -29.10 | 47.47 | 06/12/2025 | 13:39:17 | 70.59, -27.77 | 47.32 | 50.43 | 70 |
| 9 | 06/12/2025 | 14:28:39 | -70.10, 139.15 | 133.15 | 06/12/2025 | 14:28:54 | -70.09, 139.14 | 133.16 | 0.87 | 15 |
| 10 | 06/12/2025 | 15:19:24 | 70.01, -53.41 | 46.76 | 06/12/2025 | 15:18:21 | 69.98, -53.37 | 46.74 | 3.03 | 63 |
| 11 | 06/15/2025 | 05:54:53 | 70.18, 87.47 | 46.81 | 06/15/2025 | 05:55:50 | 70.17, 87.51 | 46.79 | 2.28 | 57 |
| 12 | 06/15/2025 | 06:45:34 | -70.06,-105.03 | 133.32 | 06/15/2025 | 06:45:20 | -70.06,-105.01 | 133.32 | 0.77 | 14 |
| 13 | 06/15/2025 | 07:36:06 | 69.28, 63.42 | 45.88 | 06/15/2025 | 07:34:58 | 69.34, 61.65 | 46.00 | 69.86 | 68 |
| 14 | 06/17/2025 | 22:11:48 | 70.11,-156.65 | 46.65 | 06/17/2025 | 22:12:17 | 70.11,-156.67 | 46.66 | 1.29 | 29 |
| 15 | 06/17/2025 | 23:02:30 | -70.03, 10.78 | 133.42 | 06/17/2025 | 23:01:47 | -70.01, 10.81 | 133.45 | 3.08 | 43 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/4/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/04/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9