Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and NOAA-19 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/29/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (NOAA-19) | Time (NOAA-19) | Lat,Lon (NOAA-19) | SZA (NOAA-19 ) | Distance(km) | Time Diff (sec) |
| 1 | 02/06/2025 | 23:08:17 | 71.07,-172.11 | 86.47 | 02/06/2025 | 23:07:11 | 71.06,-174.84 | 86.63 | 98.82 | 66 |
| 2 | 02/06/2025 | 23:59:15 | -71.82, -6.13 | 92.73 | 02/06/2025 | 23:58:00 | -71.85, -6.14 | 92.68 | 3.33 | 75 |
| 3 | 02/07/2025 | 00:50:02 | 71.86, 161.11 | 87.31 | 02/07/2025 | 00:48:52 | 71.87, 161.17 | 87.33 | 2.51 | 70 |
| 4 | 02/07/2025 | 01:40:46 | -71.89, -31.63 | 92.68 | 02/07/2025 | 01:39:56 | -71.90, -31.54 | 92.66 | 3.26 | 50 |
| 5 | 02/07/2025 | 02:31:32 | 71.88, 135.70 | 87.30 | 02/07/2025 | 02:30:49 | 71.86, 135.67 | 87.30 | 1.89 | 43 |
| 6 | 02/07/2025 | 03:22:16 | -71.91, -57.04 | 92.68 | 02/07/2025 | 03:21:53 | -71.89, -57.04 | 92.69 | 2.23 | 23 |
| 7 | 02/07/2025 | 04:13:02 | 71.90, 110.29 | 87.30 | 02/07/2025 | 04:12:45 | 71.91, 110.28 | 87.32 | 1.41 | 17 |
| 8 | 02/07/2025 | 05:03:46 | -71.93, -82.45 | 92.68 | 02/07/2025 | 05:03:49 | -71.93, -82.44 | 92.68 | 0.71 | 3 |
| 9 | 02/07/2025 | 05:54:33 | 71.97, 84.79 | 87.35 | 02/07/2025 | 05:54:41 | 71.95, 84.88 | 87.33 | 3.33 | 8 |
| 10 | 02/07/2025 | 06:45:16 | -71.95,-107.85 | 92.68 | 02/07/2025 | 06:45:45 | -71.98,-107.84 | 92.66 | 3.58 | 29 |
| 11 | 02/07/2025 | 07:36:03 | 71.98, 59.38 | 87.35 | 02/07/2025 | 07:36:37 | 72.00, 59.48 | 87.35 | 3.51 | 34 |
| 12 | 02/07/2025 | 08:26:46 | -71.96,-133.26 | 92.69 | 02/07/2025 | 08:27:42 | -71.97,-133.34 | 92.69 | 2.83 | 56 |
| 13 | 02/07/2025 | 09:17:33 | 72.00, 33.98 | 87.35 | 02/07/2025 | 09:18:34 | 71.99, 33.98 | 87.32 | 1.34 | 61 |
| 14 | 02/07/2025 | 10:08:22 | -72.29,-159.26 | 92.36 | 02/07/2025 | 10:09:34 | -72.22,-158.33 | 92.49 | 32.24 | 72 |
| 15 | 02/07/2025 | 10:59:12 | 72.48, 7.67 | 87.85 | 02/07/2025 | 11:00:22 | 72.44, 9.40 | 87.70 | 58.12 | 70 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 1/29/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 01/29/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19