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: 7/11/2023
| 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 | 07/12/2023 | 07:34:25 | 70.03, 62.51 | 48.04 | 07/12/2023 | 07:35:05 | 70.02, 62.50 | 48.03 | 0.60 | 40 |
| 2 | 07/12/2023 | 08:25:07 | -69.94,-130.03 | 132.06 | 07/12/2023 | 08:24:35 | -69.91,-130.03 | 132.08 | 3.09 | 32 |
| 3 | 07/14/2023 | 23:00:49 | -70.91, 9.57 | 130.64 | 07/14/2023 | 23:01:56 | -70.77, 11.83 | 130.88 | 84.07 | 67 |
| 4 | 07/14/2023 | 23:51:18 | 70.02, 178.30 | 48.42 | 07/14/2023 | 23:51:35 | 70.01, 178.36 | 48.41 | 2.57 | 17 |
| 5 | 07/15/2023 | 00:41:59 | -69.87, -14.16 | 131.73 | 07/15/2023 | 00:41:05 | -69.90, -14.16 | 131.69 | 3.20 | 54 |
| 6 | 07/17/2023 | 15:17:26 | -70.07, 126.69 | 131.10 | 07/17/2023 | 15:18:38 | -70.09, 126.70 | 131.09 | 2.01 | 72 |
| 7 | 07/17/2023 | 16:08:10 | 69.96, -65.84 | 48.80 | 07/17/2023 | 16:08:05 | 69.98, -65.80 | 48.82 | 2.58 | 5 |
| 8 | 07/17/2023 | 16:58:50 | -69.76, 101.78 | 131.41 | 07/17/2023 | 16:57:36 | -69.82, 101.60 | 131.34 | 9.19 | 74 |
| 9 | 07/20/2023 | 07:34:17 | -70.02,-117.45 | 130.67 | 07/20/2023 | 07:35:07 | -70.04,-117.48 | 130.66 | 2.51 | 50 |
| 10 | 07/20/2023 | 08:25:01 | 69.91, 50.01 | 49.23 | 07/20/2023 | 08:24:34 | 69.93, 50.01 | 49.25 | 1.55 | 27 |
| 11 | 07/20/2023 | 09:15:26 | -68.91,-141.24 | 131.82 | 07/20/2023 | 09:14:20 | -68.94,-143.68 | 131.68 | 97.54 | 66 |
| 12 | 07/22/2023 | 23:51:10 | -70.02, -1.69 | 130.14 | 07/22/2023 | 23:51:36 | -70.02, -1.62 | 130.15 | 2.61 | 26 |
| 13 | 07/23/2023 | 00:41:53 | 69.87, 165.85 | 49.71 | 07/23/2023 | 00:41:04 | 69.85, 165.80 | 49.70 | 2.82 | 49 |
| 14 | 07/25/2023 | 15:17:22 | 70.19, -53.49 | 50.60 | 07/25/2023 | 15:18:34 | 70.14, -53.19 | 50.52 | 12.75 | 72 |
| 15 | 07/25/2023 | 16:08:02 | -69.98, 114.15 | 129.63 | 07/25/2023 | 16:08:05 | -69.98, 114.22 | 129.63 | 2.49 | 3 |
| 16 | 07/25/2023 | 16:58:45 | 69.83, -78.31 | 50.23 | 07/25/2023 | 16:57:33 | 69.81, -78.37 | 50.22 | 3.03 | 72 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 7/11/2023
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 07/11/2023 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9