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: 3/24/2025
| 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 | 03/27/2025 | 06:45:24 | -70.13,-105.04 | 112.62 | 03/27/2025 | 06:45:55 | -70.11,-105.10 | 112.64 | 3.18 | 31 |
| 2 | 03/27/2025 | 07:36:08 | 70.04, 62.42 | 67.27 | 03/27/2025 | 07:35:22 | 70.01, 62.40 | 67.25 | 3.47 | 46 |
| 3 | 03/29/2025 | 22:11:39 | 70.49,-157.13 | 66.72 | 03/29/2025 | 22:12:50 | 70.36,-156.49 | 66.56 | 27.59 | 71 |
| 4 | 03/29/2025 | 23:02:16 | -70.11, 10.78 | 113.69 | 03/29/2025 | 23:02:23 | -70.08, 10.75 | 113.72 | 3.17 | 7 |
| 5 | 03/29/2025 | 23:52:59 | 69.97, 178.30 | 66.15 | 03/29/2025 | 23:51:50 | 69.97, 178.24 | 66.17 | 2.66 | 69 |
| 6 | 04/01/2025 | 14:28:25 | 70.18, -40.86 | 65.35 | 04/01/2025 | 14:29:19 | 70.20, -40.84 | 65.36 | 2.53 | 54 |
| 7 | 04/01/2025 | 15:19:07 | -70.06, 126.64 | 114.79 | 04/01/2025 | 15:18:49 | -70.09, 126.64 | 114.76 | 3.69 | 18 |
| 8 | 04/01/2025 | 16:09:37 | 69.23, -64.84 | 64.34 | 04/01/2025 | 16:08:29 | 69.26, -66.85 | 64.44 | 79.24 | 68 |
| 9 | 04/04/2025 | 06:45:16 | 70.15, 74.97 | 64.29 | 04/04/2025 | 06:45:45 | 70.13, 74.95 | 64.27 | 2.52 | 29 |
| 10 | 04/04/2025 | 07:35:58 | -70.03,-117.53 | 115.85 | 04/04/2025 | 07:35:15 | -70.02,-117.56 | 115.85 | 1.36 | 43 |
| 11 | 04/06/2025 | 22:11:28 | -70.48, 22.93 | 116.38 | 04/06/2025 | 22:12:39 | -70.37, 23.56 | 116.51 | 26.18 | 71 |
| 12 | 04/06/2025 | 23:02:05 | 70.09,-169.15 | 63.21 | 04/06/2025 | 23:02:08 | 70.09,-169.20 | 63.21 | 1.73 | 3 |
| 13 | 04/06/2025 | 23:52:48 | -70.01, -1.73 | 116.88 | 04/06/2025 | 23:51:38 | -69.99, -1.71 | 116.91 | 3.12 | 70 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 3/24/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 03/24/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9