Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/7/2023
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (LANDSAT-9) | Time (LANDSAT-9) | Lat,Lon (LANDSAT-9) | SZA (LANDSAT-9 ) | Distance(km) | Time Diff (sec) |
| 1 | 01/07/2023 | 06:57:39 | 70.10, 71.84 | 92.46 | 01/07/2023 | 06:58:50 | 70.12, 71.85 | 92.47 | 2.23 | 71 |
| 2 | 01/07/2023 | 07:48:21 | -70.02,-120.72 | 87.63 | 01/07/2023 | 07:48:20 | -70.01,-120.68 | 87.65 | 2.47 | 1 |
| 3 | 01/07/2023 | 08:39:02 | 69.73, 47.02 | 92.07 | 01/07/2023 | 08:37:49 | 69.79, 46.67 | 92.15 | 15.10 | 73 |
| 4 | 01/09/2023 | 23:14:35 | 70.08,-172.37 | 92.09 | 01/09/2023 | 23:15:19 | 70.08,-172.32 | 92.08 | 1.73 | 44 |
| 5 | 01/10/2023 | 00:05:16 | -69.95, -4.85 | 88.06 | 01/10/2023 | 00:04:49 | -69.97, -4.84 | 88.03 | 2.50 | 27 |
| 6 | 01/12/2023 | 14:41:01 | -70.93, 134.73 | 87.42 | 01/12/2023 | 14:42:08 | -70.84, 137.04 | 87.59 | 84.63 | 67 |
| 7 | 01/12/2023 | 15:31:30 | 70.02, -56.50 | 91.62 | 01/12/2023 | 15:31:48 | 70.02, -56.52 | 91.62 | 0.71 | 18 |
| 8 | 01/12/2023 | 16:22:12 | -69.94, 110.94 | 88.47 | 01/12/2023 | 16:21:18 | -69.92, 110.96 | 88.49 | 2.83 | 54 |
| 9 | 01/15/2023 | 06:57:40 | -70.09,-108.15 | 88.76 | 01/15/2023 | 06:58:48 | -70.11,-108.16 | 88.76 | 2.03 | 68 |
| 10 | 01/15/2023 | 07:48:24 | 69.97, 59.35 | 91.11 | 01/15/2023 | 07:48:15 | 69.99, 59.32 | 91.13 | 3.06 | 9 |
| 11 | 01/15/2023 | 08:39:01 | -69.62,-132.82 | 89.27 | 01/15/2023 | 08:37:49 | -69.67,-133.49 | 89.19 | 26.80 | 72 |
| 12 | 01/17/2023 | 23:14:35 | -70.04, 7.70 | 89.32 | 01/17/2023 | 23:15:16 | -70.06, 7.65 | 89.31 | 2.74 | 41 |
| 13 | 01/18/2023 | 00:05:19 | 69.92, 175.19 | 90.55 | 01/18/2023 | 00:04:43 | 69.94, 175.13 | 90.58 | 3.22 | 36 |
| 14 | 01/20/2023 | 14:40:57 | 70.56, -44.66 | 90.69 | 01/20/2023 | 14:42:07 | 70.46, -43.50 | 90.54 | 44.11 | 70 |
| 15 | 01/20/2023 | 15:31:31 | -70.05, 123.46 | 89.87 | 01/20/2023 | 15:31:43 | -70.04, 123.51 | 89.88 | 2.23 | 12 |
| 16 | 01/20/2023 | 16:22:15 | 69.93, -69.05 | 90.01 | 01/20/2023 | 16:21:10 | 69.92, -69.01 | 90.00 | 2.22 | 65 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/7/2023
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/07/2023 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9