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: 9/20/2025
| 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 | 09/20/2025 | 18:18:29 | -74.30, 73.72 | 106.32 | 09/20/2025 | 18:18:51 | -74.32, 73.65 | 106.31 | 2.97 | 22 |
| 2 | 09/20/2025 | 19:09:14 | 74.25,-118.84 | 73.64 | 09/20/2025 | 19:08:10 | 74.23,-118.88 | 73.63 | 2.70 | 64 |
| 3 | 09/23/2025 | 04:40:10 | 74.35, 98.18 | 74.67 | 09/23/2025 | 04:40:21 | 74.33, 98.25 | 74.64 | 2.70 | 11 |
| 4 | 09/23/2025 | 05:30:52 | -74.26, -94.28 | 105.42 | 09/23/2025 | 05:29:43 | -74.28, -94.21 | 105.40 | 2.53 | 69 |
| 5 | 09/25/2025 | 14:11:17 | 74.98, -46.26 | 76.30 | 09/25/2025 | 14:12:23 | 74.88, -43.55 | 76.06 | 79.38 | 66 |
| 6 | 09/25/2025 | 15:01:47 | -74.32, 122.86 | 104.44 | 09/25/2025 | 15:01:55 | -74.31, 122.76 | 104.44 | 3.03 | 8 |
| 7 | 09/25/2025 | 15:52:27 | 74.02, -69.08 | 75.25 | 09/25/2025 | 15:51:16 | 74.11, -70.02 | 75.40 | 30.35 | 71 |
| 8 | 09/28/2025 | 00:32:51 | -74.81, -21.19 | 102.97 | 09/28/2025 | 00:34:00 | -74.69, -19.46 | 103.18 | 52.33 | 69 |
| 9 | 09/28/2025 | 01:23:27 | 74.32, 147.43 | 76.51 | 09/28/2025 | 01:23:24 | 74.33, 147.38 | 76.52 | 1.75 | 3 |
| 10 | 09/28/2025 | 02:14:02 | -73.89, -44.18 | 103.95 | 09/28/2025 | 02:12:52 | -73.97, -45.77 | 103.80 | 49.48 | 70 |
| 11 | 09/30/2025 | 10:54:23 | 74.43, 4.42 | 77.55 | 09/30/2025 | 10:55:34 | 74.43, 4.52 | 77.53 | 2.99 | 71 |
| 12 | 09/30/2025 | 11:45:05 | -74.35, 171.95 | 102.53 | 09/30/2025 | 11:44:57 | -74.33, 171.93 | 102.55 | 2.69 | 8 |
| 13 | 10/02/2025 | 21:15:59 | -74.42, 29.06 | 101.54 | 10/02/2025 | 21:17:06 | -74.41, 29.02 | 101.56 | 1.58 | 67 |
| 14 | 10/02/2025 | 22:06:44 | 74.36,-163.49 | 78.42 | 10/02/2025 | 22:06:24 | 74.36,-163.40 | 78.42 | 2.74 | 20 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/20/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/20/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA