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: 4/11/2025
| 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 | 04/13/2025 | 04:45:38 | -73.61, -81.38 | 115.35 | 04/13/2025 | 04:46:09 | -73.61, -81.42 | 115.35 | 1.49 | 31 |
| 2 | 04/13/2025 | 05:36:22 | 73.54, 86.08 | 64.58 | 04/13/2025 | 05:35:29 | 73.55, 86.13 | 64.60 | 2.05 | 53 |
| 3 | 04/15/2025 | 15:07:16 | 73.66, -56.92 | 63.84 | 04/15/2025 | 15:08:06 | 73.64, -56.90 | 63.80 | 2.84 | 50 |
| 4 | 04/15/2025 | 15:57:59 | -73.58, 110.58 | 116.26 | 04/15/2025 | 15:57:27 | -73.59, 110.67 | 116.25 | 2.94 | 32 |
| 5 | 04/18/2025 | 01:28:52 | -73.66, -32.32 | 117.03 | 04/18/2025 | 01:30:03 | -73.70, -32.32 | 117.01 | 3.68 | 71 |
| 6 | 04/18/2025 | 02:19:36 | 73.61, 135.13 | 62.90 | 04/18/2025 | 02:19:23 | 73.62, 135.19 | 62.91 | 2.44 | 13 |
| 7 | 04/20/2025 | 11:50:42 | 74.34, -9.38 | 62.89 | 04/20/2025 | 11:51:48 | 74.25, -6.64 | 62.64 | 82.87 | 66 |
| 8 | 04/20/2025 | 12:41:12 | -73.61, 159.71 | 117.94 | 04/20/2025 | 12:41:20 | -73.64, 159.70 | 117.91 | 3.10 | 8 |
| 9 | 04/20/2025 | 13:31:54 | 73.46, -32.62 | 61.88 | 04/20/2025 | 13:30:41 | 73.50, -32.91 | 61.96 | 10.44 | 73 |
| 10 | 04/22/2025 | 23:02:49 | 73.66,-175.80 | 61.29 | 04/22/2025 | 23:03:14 | 73.67,-175.76 | 61.29 | 1.60 | 25 |
| 11 | 04/22/2025 | 23:53:32 | -73.57, -8.29 | 118.82 | 04/22/2025 | 23:52:36 | -73.59, -8.25 | 118.79 | 2.46 | 56 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/11/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/11/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA