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: 4/4/2023
| 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 | 04/04/2023 | 15:18:13 | 70.11, -53.39 | 64.32 | 04/04/2023 | 15:18:57 | 70.09, -53.39 | 64.29 | 2.73 | 44 |
| 2 | 04/04/2023 | 16:08:54 | -69.97, 114.14 | 115.85 | 04/04/2023 | 16:08:27 | -69.97, 114.09 | 115.84 | 1.87 | 27 |
| 3 | 04/07/2023 | 06:44:37 | -71.10,-106.52 | 115.65 | 04/07/2023 | 06:45:43 | -71.01,-103.78 | 115.83 | 99.74 | 66 |
| 4 | 04/07/2023 | 07:35:03 | 70.05, 62.48 | 63.24 | 04/07/2023 | 07:35:26 | 70.03, 62.42 | 63.22 | 3.15 | 23 |
| 5 | 04/07/2023 | 08:25:45 | -69.96,-130.07 | 116.87 | 04/07/2023 | 08:24:55 | -69.98,-130.03 | 116.86 | 2.10 | 50 |
| 6 | 04/09/2023 | 23:01:13 | -70.32, 10.53 | 117.48 | 04/09/2023 | 23:02:24 | -70.27, 10.99 | 117.56 | 18.11 | 71 |
| 7 | 04/09/2023 | 23:51:54 | 70.06, 178.25 | 62.24 | 04/09/2023 | 23:51:53 | 70.05, 178.32 | 62.22 | 2.70 | 1 |
| 8 | 04/10/2023 | 00:42:35 | -69.91, -14.21 | 117.93 | 04/10/2023 | 00:41:23 | -69.94, -14.20 | 117.90 | 2.86 | 72 |
| 9 | 04/12/2023 | 15:17:59 | -70.13, 126.62 | 118.67 | 04/12/2023 | 15:18:52 | -70.13, 126.68 | 118.67 | 2.33 | 53 |
| 10 | 04/12/2023 | 16:08:43 | 70.02, -65.91 | 61.21 | 04/12/2023 | 16:08:19 | 70.02, -65.83 | 61.21 | 2.81 | 24 |
| 11 | 04/12/2023 | 16:59:10 | -69.13, 102.70 | 119.73 | 04/12/2023 | 16:58:02 | -69.20, 100.69 | 119.60 | 79.95 | 68 |
| 12 | 04/15/2023 | 07:34:48 | -70.05,-117.47 | 119.73 | 04/15/2023 | 07:35:19 | -70.07,-117.52 | 119.71 | 3.29 | 31 |
| 13 | 04/15/2023 | 08:25:32 | 69.94, 50.00 | 60.16 | 04/15/2023 | 08:24:46 | 69.95, 49.96 | 60.17 | 1.89 | 46 |
| 14 | 04/17/2023 | 23:01:01 | 70.39,-169.54 | 59.70 | 04/17/2023 | 23:02:12 | 70.29,-168.96 | 59.57 | 24.62 | 71 |
| 15 | 04/17/2023 | 23:51:38 | -70.03, -1.66 | 120.70 | 04/17/2023 | 23:51:45 | -70.02, -1.71 | 120.71 | 2.34 | 7 |
| 16 | 04/18/2023 | 00:42:22 | 69.93, 165.80 | 59.19 | 04/18/2023 | 00:41:11 | 69.95, 165.85 | 59.22 | 3.32 | 71 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/4/2023
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 04/04/2023 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9