Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and TERRA Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/28/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (TERRA) | Time (TERRA) | Lat,Lon (TERRA) | SZA (TERRA ) | Distance(km) | Time Diff (sec) |
| 1 | 04/30/2025 | 06:07:59 | -73.72,-102.24 | 120.99 | 04/30/2025 | 06:08:57 | -73.73,-102.22 | 120.99 | 1.10 | 58 |
| 2 | 04/30/2025 | 06:58:43 | 73.64, 65.26 | 58.92 | 04/30/2025 | 06:58:17 | 73.63, 65.24 | 58.91 | 1.65 | 26 |
| 3 | 05/02/2025 | 16:29:44 | 73.75, -77.74 | 58.32 | 05/02/2025 | 16:30:48 | 73.76, -77.67 | 58.31 | 2.50 | 64 |
| 4 | 05/02/2025 | 17:20:26 | -73.63, 89.85 | 121.83 | 05/02/2025 | 17:20:11 | -73.64, 89.75 | 121.81 | 3.36 | 15 |
| 5 | 05/05/2025 | 02:51:29 | -73.85, -53.41 | 122.28 | 05/05/2025 | 02:52:41 | -73.80, -53.11 | 122.37 | 11.12 | 72 |
| 6 | 05/05/2025 | 03:42:11 | 73.67, 114.32 | 57.51 | 05/05/2025 | 03:42:01 | 73.68, 114.31 | 57.52 | 0.93 | 10 |
| 7 | 05/05/2025 | 04:32:41 | -72.95, -76.76 | 123.29 | 05/05/2025 | 04:31:35 | -72.99, -79.40 | 123.09 | 86.06 | 66 |
| 8 | 05/07/2025 | 13:13:18 | 74.10, -29.45 | 57.32 | 05/07/2025 | 13:14:28 | 73.94, -28.30 | 57.09 | 39.08 | 70 |
| 9 | 05/07/2025 | 14:03:54 | -73.68, 138.86 | 123.16 | 05/07/2025 | 14:03:54 | -73.69, 138.82 | 123.15 | 1.44 | 0 |
| 10 | 05/07/2025 | 14:54:29 | 73.15, -52.62 | 56.25 | 05/07/2025 | 14:53:20 | 73.24, -54.42 | 56.45 | 58.69 | 69 |
| 11 | 05/09/2025 | 23:35:07 | -74.41, -5.68 | 122.98 | 05/09/2025 | 23:36:13 | -74.34, -2.93 | 123.21 | 82.78 | 66 |
| 12 | 05/10/2025 | 00:25:38 | 73.69, 163.41 | 56.21 | 05/10/2025 | 00:25:43 | 73.68, 163.30 | 56.20 | 3.62 | 5 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/28/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/28/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA