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: 6/12/2025
| 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 | 06/12/2025 | 13:38:15 | 71.13, -29.83 | 47.93 | 06/12/2025 | 13:39:21 | 71.03, -27.15 | 47.76 | 97.57 | 66 |
| 2 | 06/12/2025 | 14:28:39 | -70.13, 139.11 | 133.12 | 06/12/2025 | 14:29:05 | -70.15, 139.16 | 133.11 | 3.22 | 26 |
| 3 | 06/12/2025 | 15:19:23 | 69.97, -53.35 | 46.72 | 06/12/2025 | 15:18:33 | 70.00, -53.41 | 46.75 | 3.25 | 50 |
| 4 | 06/15/2025 | 05:54:56 | 70.29, 87.29 | 46.93 | 06/15/2025 | 05:56:07 | 70.25, 87.55 | 46.87 | 10.74 | 71 |
| 5 | 06/15/2025 | 06:45:35 | -70.08,-105.05 | 133.30 | 06/15/2025 | 06:45:38 | -70.08,-105.06 | 133.30 | 0.62 | 3 |
| 6 | 06/15/2025 | 07:36:19 | 69.93, 62.48 | 46.54 | 06/15/2025 | 07:35:06 | 69.92, 62.37 | 46.55 | 4.46 | 73 |
| 7 | 06/17/2025 | 22:11:50 | 70.14,-156.71 | 46.69 | 06/17/2025 | 22:12:40 | 70.16,-156.70 | 46.70 | 1.88 | 50 |
| 8 | 06/17/2025 | 23:02:31 | -70.03, 10.78 | 133.43 | 06/17/2025 | 23:02:10 | -70.05, 10.78 | 133.41 | 2.72 | 21 |
| 9 | 06/17/2025 | 23:52:59 | 69.03, 179.54 | 45.54 | 06/17/2025 | 23:51:53 | 69.06, 177.08 | 45.65 | 97.71 | 66 |
| 10 | 06/20/2025 | 14:28:46 | 70.10, -40.89 | 46.62 | 06/20/2025 | 14:29:12 | 70.11, -40.90 | 46.63 | 1.07 | 26 |
| 11 | 06/20/2025 | 15:19:27 | -69.98, 126.61 | 133.51 | 06/20/2025 | 15:18:42 | -70.01, 126.59 | 133.48 | 2.86 | 45 |
| 12 | 06/23/2025 | 05:55:01 | -70.41, -92.91 | 133.04 | 06/23/2025 | 05:56:13 | -70.33, -92.36 | 133.15 | 23.07 | 72 |
| 13 | 06/23/2025 | 06:45:41 | 70.07, 74.93 | 46.61 | 06/23/2025 | 06:45:43 | 70.05, 74.89 | 46.59 | 2.54 | 2 |
| 14 | 06/23/2025 | 07:36:22 | -69.94,-117.56 | 133.53 | 06/23/2025 | 07:35:13 | -69.95,-117.62 | 133.51 | 2.14 | 69 |
| 15 | 06/25/2025 | 22:11:53 | -70.17, 23.23 | 133.22 | 06/25/2025 | 22:12:47 | -70.14, 23.26 | 133.26 | 3.06 | 54 |
| 16 | 06/25/2025 | 23:02:37 | 70.04,-169.26 | 46.64 | 06/25/2025 | 23:02:14 | 70.03,-169.26 | 46.63 | 1.15 | 23 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 6/12/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 06/12/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9