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: 4/12/2023
| 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 | 04/12/2023 | 15:17:59 | -70.12, 126.63 | 118.67 | 04/12/2023 | 15:18:53 | -70.12, 126.65 | 118.69 | 1.28 | 54 |
| 2 | 04/12/2023 | 16:08:43 | 70.01, -65.89 | 61.20 | 04/12/2023 | 16:08:20 | 70.02, -65.84 | 61.21 | 1.99 | 23 |
| 3 | 04/12/2023 | 16:59:11 | -69.18, 102.63 | 119.67 | 04/12/2023 | 16:58:02 | -69.24, 100.73 | 119.56 | 74.97 | 69 |
| 4 | 04/15/2023 | 07:34:49 | -70.10,-117.54 | 119.68 | 04/15/2023 | 07:35:20 | -70.09,-117.50 | 119.69 | 1.68 | 31 |
| 5 | 04/15/2023 | 08:25:33 | 69.98, 49.93 | 60.20 | 04/15/2023 | 08:24:47 | 69.98, 49.99 | 60.20 | 2.19 | 46 |
| 6 | 04/17/2023 | 23:01:02 | 70.43,-169.60 | 59.74 | 04/17/2023 | 23:02:13 | 70.36,-168.86 | 59.64 | 28.46 | 71 |
| 7 | 04/17/2023 | 23:51:38 | -70.02, -1.65 | 120.70 | 04/17/2023 | 23:51:47 | -70.03, -1.70 | 120.70 | 2.13 | 9 |
| 8 | 04/18/2023 | 00:42:22 | 69.91, 165.83 | 59.17 | 04/18/2023 | 00:41:14 | 69.92, 165.79 | 59.19 | 1.55 | 68 |
| 9 | 04/20/2023 | 15:17:45 | 70.11, -53.31 | 58.47 | 04/20/2023 | 15:18:42 | 70.10, -53.34 | 58.46 | 1.53 | 57 |
| 10 | 04/20/2023 | 16:08:27 | -70.01, 114.15 | 121.64 | 04/20/2023 | 16:08:12 | -69.99, 114.13 | 121.67 | 2.61 | 15 |
| 11 | 04/20/2023 | 16:58:58 | 69.22, -77.38 | 57.53 | 04/20/2023 | 16:57:50 | 69.27, -79.20 | 57.63 | 72.01 | 68 |
| 12 | 04/23/2023 | 07:34:35 | 70.11, 62.47 | 57.57 | 04/23/2023 | 07:35:07 | 70.09, 62.53 | 57.54 | 3.21 | 32 |
| 13 | 04/23/2023 | 08:25:16 | -69.96,-129.98 | 122.60 | 04/23/2023 | 08:24:37 | -69.98,-129.99 | 122.58 | 1.85 | 39 |
| 14 | 04/25/2023 | 23:00:49 | -70.65, 10.11 | 122.75 | 04/25/2023 | 23:01:59 | -70.49, 11.35 | 122.95 | 49.18 | 70 |
| 15 | 04/25/2023 | 23:51:23 | 70.02, 178.40 | 56.59 | 04/25/2023 | 23:51:32 | 70.04, 178.36 | 56.61 | 3.18 | 9 |
| 16 | 04/26/2023 | 00:42:05 | -69.92, -14.14 | 123.53 | 04/26/2023 | 00:41:02 | -69.94, -14.16 | 123.51 | 1.84 | 63 |
Figure of NOAA-21 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 4/12/2023
Download SNOs between NOAA-21 and LANDSAT-9 since TLE EPOCH: 04/12/2023 in txt file.
Historial Predications of SNOs between NOAA-21 and LANDSAT-9