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: 5/13/2025
| 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 | 05/14/2025 | 21:09:05 | 73.73,-147.55 | 55.04 | 05/14/2025 | 21:09:24 | 73.73,-147.62 | 55.04 | 2.19 | 19 |
| 2 | 05/14/2025 | 21:59:48 | -73.68, 19.87 | 125.02 | 05/14/2025 | 21:58:46 | -73.69, 19.95 | 125.01 | 2.30 | 62 |
| 3 | 05/17/2025 | 07:30:48 | -73.78,-123.08 | 125.47 | 05/17/2025 | 07:31:15 | -73.79,-123.01 | 125.47 | 2.96 | 27 |
| 4 | 05/17/2025 | 08:21:32 | 73.67, 44.47 | 54.41 | 05/17/2025 | 08:20:34 | 73.70, 44.49 | 54.45 | 3.63 | 58 |
| 5 | 05/19/2025 | 17:52:32 | 73.77, -98.50 | 54.00 | 05/19/2025 | 17:53:03 | 73.78, -98.52 | 54.01 | 2.06 | 31 |
| 6 | 05/19/2025 | 18:43:15 | -73.72, 68.92 | 126.06 | 05/19/2025 | 18:42:26 | -73.70, 68.96 | 126.08 | 2.95 | 49 |
| 7 | 05/22/2025 | 04:14:15 | -73.82, -74.05 | 126.43 | 05/22/2025 | 04:14:54 | -73.82, -73.97 | 126.46 | 2.83 | 39 |
| 8 | 05/22/2025 | 05:04:59 | 73.72, 93.50 | 53.45 | 05/22/2025 | 05:04:13 | 73.72, 93.51 | 53.46 | 0.16 | 46 |
| 9 | 05/24/2025 | 14:35:59 | 73.82, -49.49 | 53.11 | 05/24/2025 | 14:36:41 | 73.81, -49.47 | 53.09 | 1.16 | 42 |
| 10 | 05/24/2025 | 15:26:41 | -73.73, 118.05 | 127.00 | 05/24/2025 | 15:26:04 | -73.73, 118.03 | 126.99 | 0.88 | 37 |
| 11 | 05/27/2025 | 00:57:41 | -73.84, -24.95 | 127.29 | 05/27/2025 | 00:58:32 | -73.81, -24.98 | 127.33 | 3.16 | 51 |
| 12 | 05/27/2025 | 01:48:25 | 73.73, 142.61 | 52.59 | 05/27/2025 | 01:47:50 | 73.76, 142.59 | 52.62 | 3.12 | 35 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 5/13/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 05/13/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA