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: 4/16/2025
| 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 | 04/18/2025 | 01:28:52 | -73.68, -32.36 | 117.00 | 04/18/2025 | 01:30:03 | -73.67, -32.37 | 117.03 | 1.08 | 71 |
| 2 | 04/18/2025 | 02:19:36 | 73.62, 135.09 | 62.92 | 04/18/2025 | 02:19:23 | 73.60, 135.15 | 62.90 | 2.70 | 13 |
| 3 | 04/20/2025 | 11:50:42 | 74.35, -9.41 | 62.90 | 04/20/2025 | 11:51:48 | 74.23, -6.68 | 62.63 | 83.13 | 66 |
| 4 | 04/20/2025 | 12:41:12 | -73.63, 159.67 | 117.92 | 04/20/2025 | 12:41:20 | -73.62, 159.66 | 117.93 | 1.20 | 8 |
| 5 | 04/20/2025 | 13:31:53 | 73.42, -32.54 | 61.84 | 04/20/2025 | 13:30:41 | 73.49, -32.95 | 61.94 | 15.02 | 72 |
| 6 | 04/22/2025 | 23:02:49 | 73.67,-175.82 | 61.30 | 04/22/2025 | 23:03:14 | 73.66,-175.79 | 61.28 | 1.29 | 25 |
| 7 | 04/22/2025 | 23:53:32 | -73.59, -8.32 | 118.80 | 04/22/2025 | 23:52:36 | -73.58, -8.29 | 118.80 | 1.48 | 56 |
| 8 | 04/25/2025 | 09:24:25 | -73.69,-151.28 | 119.48 | 04/25/2025 | 09:25:10 | -73.66,-151.31 | 119.52 | 3.47 | 45 |
| 9 | 04/25/2025 | 10:15:08 | 73.58, 16.28 | 60.40 | 04/25/2025 | 10:14:29 | 73.62, 16.27 | 60.44 | 3.48 | 39 |
| 10 | 04/27/2025 | 19:46:01 | 73.70,-126.70 | 59.75 | 04/27/2025 | 19:47:02 | 73.70,-126.74 | 59.75 | 1.45 | 61 |
| 11 | 04/27/2025 | 20:36:44 | -73.62, 40.80 | 120.35 | 04/27/2025 | 20:36:24 | -73.64, 40.79 | 120.33 | 2.26 | 20 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 4/16/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 04/16/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA