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: 5/12/2023
| 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 | 05/12/2023 | 13:51:02 | -70.23, 148.47 | 128.01 | 05/12/2023 | 13:52:05 | -70.27, 148.47 | 127.98 | 3.43 | 63 |
| 2 | 05/12/2023 | 14:41:46 | 70.11, -44.03 | 51.86 | 05/12/2023 | 14:41:33 | 70.11, -44.10 | 51.86 | 2.88 | 13 |
| 3 | 05/12/2023 | 15:32:20 | -69.61, 124.04 | 128.67 | 05/12/2023 | 15:31:09 | -69.67, 122.91 | 128.59 | 44.27 | 71 |
| 4 | 05/15/2023 | 06:07:56 | -70.22, -95.73 | 128.68 | 05/15/2023 | 06:08:33 | -70.19, -95.75 | 128.71 | 3.05 | 37 |
| 5 | 05/15/2023 | 06:58:40 | 70.10, 71.76 | 51.19 | 05/15/2023 | 06:58:00 | 70.09, 71.74 | 51.19 | 1.04 | 40 |
| 6 | 05/17/2023 | 21:34:15 | 70.62,-147.90 | 51.13 | 05/17/2023 | 21:35:26 | 70.53,-147.02 | 51.02 | 34.11 | 71 |
| 7 | 05/17/2023 | 22:24:50 | -70.16, 20.13 | 129.35 | 05/17/2023 | 22:25:01 | -70.14, 20.06 | 129.37 | 3.70 | 11 |
| 8 | 05/17/2023 | 23:15:35 | 70.10,-172.45 | 50.57 | 05/17/2023 | 23:14:27 | 70.09,-172.37 | 50.57 | 3.03 | 68 |
| 9 | 05/20/2023 | 13:51:03 | 70.25, -31.55 | 50.18 | 05/20/2023 | 13:51:57 | 70.28, -31.51 | 50.19 | 2.87 | 54 |
| 10 | 05/20/2023 | 14:41:45 | -70.17, 135.90 | 129.92 | 05/20/2023 | 14:41:27 | -70.17, 135.97 | 129.93 | 2.53 | 18 |
| 11 | 05/20/2023 | 15:32:15 | 69.31, -55.51 | 49.19 | 05/20/2023 | 15:31:07 | 69.34, -57.52 | 49.27 | 79.06 | 68 |
| 12 | 05/23/2023 | 06:07:57 | 70.22, 84.29 | 49.60 | 05/23/2023 | 06:08:24 | 70.21, 84.28 | 49.59 | 1.11 | 27 |
| 13 | 05/23/2023 | 06:58:39 | -70.13,-108.25 | 130.50 | 05/23/2023 | 06:57:54 | -70.10,-108.24 | 130.52 | 3.05 | 45 |
| 14 | 05/25/2023 | 21:34:09 | -70.46, 32.38 | 130.64 | 05/25/2023 | 21:35:20 | -70.38, 32.78 | 130.73 | 16.90 | 71 |
| 15 | 05/25/2023 | 22:24:50 | 70.19,-159.88 | 49.08 | 05/25/2023 | 22:24:49 | 70.16,-159.90 | 49.05 | 3.28 | 1 |
| 16 | 05/25/2023 | 23:15:31 | -70.04, 7.66 | 131.08 | 05/25/2023 | 23:14:19 | -70.05, 7.59 | 131.06 | 2.90 | 72 |
Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 5/12/2023
Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 05/12/2023 in txt file.
Historial Predications of SNOs between NOAA-20 and LANDSAT-9