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: 2/26/2025
| 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 | 02/28/2025 | 14:28:40 | 70.16, -40.84 | 77.91 | 02/28/2025 | 14:29:33 | 70.18, -40.86 | 77.92 | 2.29 | 53 |
| 2 | 02/28/2025 | 15:19:21 | -70.04, 126.66 | 102.23 | 02/28/2025 | 15:19:03 | -70.06, 126.61 | 102.21 | 3.19 | 18 |
| 3 | 02/28/2025 | 16:09:51 | 69.15, -64.75 | 76.83 | 02/28/2025 | 16:08:44 | 69.18, -66.94 | 76.96 | 86.88 | 67 |
| 4 | 03/03/2025 | 06:45:34 | 70.12, 74.97 | 76.85 | 03/03/2025 | 06:45:57 | 70.12, 74.96 | 76.84 | 0.48 | 23 |
| 5 | 03/03/2025 | 07:36:15 | -70.00,-117.52 | 103.30 | 03/03/2025 | 07:35:27 | -70.01,-117.57 | 103.28 | 2.18 | 48 |
| 6 | 03/05/2025 | 22:11:44 | -70.18, 23.34 | 104.12 | 03/05/2025 | 22:12:54 | -70.18, 23.30 | 104.13 | 1.72 | 70 |
| 7 | 03/05/2025 | 23:02:28 | 70.05,-169.16 | 75.74 | 03/05/2025 | 23:02:21 | 70.07,-169.22 | 75.75 | 2.68 | 7 |
| 8 | 03/05/2025 | 23:53:06 | -69.76, -1.40 | 104.58 | 03/05/2025 | 23:51:53 | -69.85, -1.89 | 104.47 | 20.92 | 73 |
| 9 | 03/08/2025 | 14:28:38 | -70.12, 139.20 | 105.23 | 03/08/2025 | 14:29:17 | -70.13, 139.13 | 105.23 | 2.90 | 39 |
| 10 | 03/08/2025 | 15:19:23 | 70.05, -53.39 | 74.69 | 03/08/2025 | 15:18:43 | 70.07, -53.31 | 74.71 | 3.28 | 40 |
| 11 | 03/11/2025 | 05:54:55 | 70.43, 87.17 | 74.06 | 03/11/2025 | 05:56:06 | 70.35, 87.73 | 73.94 | 22.82 | 71 |
| 12 | 03/11/2025 | 06:45:32 | -70.08,-104.96 | 106.33 | 03/11/2025 | 06:45:39 | -70.07,-105.04 | 106.33 | 2.91 | 7 |
| 13 | 03/11/2025 | 07:36:16 | 69.96, 62.52 | 73.54 | 03/11/2025 | 07:35:06 | 69.96, 62.44 | 73.54 | 2.99 | 70 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 2/26/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 02/26/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9