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: 3/8/2025
| 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 | 03/08/2025 | 14:28:39 | -70.18, 139.12 | 105.17 | 03/08/2025 | 14:29:37 | -70.19, 139.12 | 105.17 | 1.36 | 58 |
| 2 | 03/08/2025 | 15:19:24 | 70.10, -53.46 | 74.74 | 03/08/2025 | 15:19:04 | 70.09, -53.38 | 74.72 | 3.30 | 20 |
| 3 | 03/08/2025 | 16:09:53 | -69.34, 114.98 | 106.08 | 03/08/2025 | 16:08:44 | -69.42, 113.34 | 105.92 | 65.02 | 69 |
| 4 | 03/11/2025 | 06:45:34 | -70.17,-105.11 | 106.23 | 03/11/2025 | 06:46:06 | -70.15,-105.06 | 106.27 | 3.25 | 32 |
| 5 | 03/11/2025 | 07:36:18 | 70.05, 62.39 | 73.63 | 03/11/2025 | 07:35:33 | 70.04, 62.44 | 73.63 | 2.08 | 45 |
| 6 | 03/13/2025 | 22:11:50 | 70.48,-157.14 | 73.05 | 03/13/2025 | 22:13:01 | 70.35,-156.52 | 72.88 | 27.28 | 71 |
| 7 | 03/13/2025 | 23:02:27 | -70.12, 10.73 | 107.34 | 03/13/2025 | 23:02:33 | -70.13, 10.80 | 107.34 | 2.51 | 6 |
| 8 | 03/13/2025 | 23:53:11 | 70.01, 178.22 | 72.53 | 03/13/2025 | 23:52:00 | 70.02, 178.29 | 72.54 | 2.92 | 71 |
| 9 | 03/16/2025 | 14:28:39 | 70.19, -40.91 | 71.68 | 03/16/2025 | 14:29:31 | 70.18, -40.88 | 71.66 | 1.39 | 52 |
| 10 | 03/16/2025 | 15:19:21 | -70.09, 126.56 | 108.44 | 03/16/2025 | 15:19:01 | -70.08, 126.61 | 108.46 | 2.40 | 20 |
| 11 | 03/16/2025 | 16:09:49 | 69.13, -64.74 | 70.54 | 03/16/2025 | 16:08:42 | 69.19, -66.95 | 70.69 | 87.92 | 67 |
| 12 | 03/19/2025 | 06:45:32 | 70.12, 74.97 | 70.54 | 03/19/2025 | 06:45:58 | 70.15, 74.96 | 70.56 | 3.53 | 26 |
| 13 | 03/19/2025 | 07:36:14 | -70.01,-117.55 | 109.59 | 03/19/2025 | 07:35:28 | -70.04,-117.55 | 109.55 | 3.55 | 46 |
| 14 | 03/21/2025 | 22:11:45 | -70.36, 23.06 | 110.26 | 03/21/2025 | 22:12:56 | -70.31, 23.44 | 110.34 | 15.30 | 71 |
| 15 | 03/21/2025 | 23:02:26 | 70.11,-169.25 | 69.46 | 03/21/2025 | 23:02:25 | 70.08,-169.24 | 69.43 | 3.24 | 1 |
| 16 | 03/21/2025 | 23:53:08 | -70.00, -1.76 | 110.67 | 03/21/2025 | 23:51:55 | -69.98, -1.76 | 110.68 | 2.25 | 73 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/8/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/08/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9