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: 1/23/2025
| 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 | 01/24/2025 | 22:11:53 | 71.04,-157.95 | 90.09 | 01/24/2025 | 22:13:00 | 70.93,-155.61 | 89.88 | 85.63 | 67 |
| 2 | 01/24/2025 | 23:02:19 | -70.14, 10.84 | 90.89 | 01/24/2025 | 23:02:42 | -70.16, 10.88 | 90.87 | 3.29 | 23 |
| 3 | 01/24/2025 | 23:53:03 | 70.01, 178.34 | 88.97 | 01/24/2025 | 23:52:10 | 70.00, 178.29 | 88.97 | 1.84 | 53 |
| 4 | 01/27/2025 | 14:28:26 | 70.35, -41.02 | 88.68 | 01/27/2025 | 14:29:37 | 70.31, -40.65 | 88.61 | 14.52 | 71 |
| 5 | 01/27/2025 | 15:19:04 | -70.07, 126.73 | 91.63 | 01/27/2025 | 15:19:09 | -70.09, 126.67 | 91.61 | 3.32 | 5 |
| 6 | 01/27/2025 | 16:09:49 | 70.00, -65.85 | 88.29 | 01/27/2025 | 16:08:36 | 69.98, -65.84 | 88.28 | 1.76 | 73 |
| 7 | 01/30/2025 | 06:45:10 | 70.20, 75.02 | 87.80 | 01/30/2025 | 06:46:05 | 70.19, 75.06 | 87.78 | 2.12 | 55 |
| 8 | 01/30/2025 | 07:35:51 | -70.08,-117.48 | 92.34 | 01/30/2025 | 07:35:35 | -70.08,-117.46 | 92.34 | 0.80 | 16 |
| 9 | 01/30/2025 | 08:26:22 | 69.26, 51.03 | 86.80 | 01/30/2025 | 08:25:14 | 69.31, 49.13 | 86.93 | 74.91 | 68 |
| 10 | 02/01/2025 | 23:01:56 | 70.17,-169.13 | 87.02 | 02/01/2025 | 23:02:30 | 70.18,-169.06 | 87.02 | 3.09 | 34 |
| 11 | 02/01/2025 | 23:52:37 | -70.05, -1.63 | 93.12 | 02/01/2025 | 23:52:00 | -70.07, -1.57 | 93.10 | 3.35 | 37 |
| 12 | 02/04/2025 | 14:28:10 | -70.91, 138.18 | 92.98 | 02/04/2025 | 14:29:18 | -70.78, 140.09 | 93.20 | 70.99 | 68 |
| 13 | 02/04/2025 | 15:18:41 | 70.10, -53.23 | 86.16 | 02/04/2025 | 15:18:55 | 70.11, -53.25 | 86.17 | 1.45 | 14 |
| 14 | 02/04/2025 | 16:09:23 | -70.03, 114.20 | 93.93 | 02/04/2025 | 16:08:25 | -70.01, 114.24 | 93.95 | 3.04 | 58 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/23/2025
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 01/23/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9