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: 9/25/2025
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 | 09/28/2025 | 00:32:49 | -74.75, -21.02 | 103.03 | 09/28/2025 | 00:33:59 | -74.66, -19.54 | 103.21 | 44.63 | 70 |
2 | 09/28/2025 | 01:23:27 | 74.35, 147.35 | 76.54 | 09/28/2025 | 01:23:22 | 74.36, 147.44 | 76.54 | 2.83 | 5 |
3 | 09/28/2025 | 02:14:01 | -73.88, -44.15 | 103.97 | 09/28/2025 | 02:12:51 | -73.93, -45.84 | 103.83 | 52.50 | 70 |
4 | 09/30/2025 | 10:54:22 | 74.43, 4.43 | 77.55 | 09/30/2025 | 10:55:32 | 74.40, 4.45 | 77.51 | 3.37 | 70 |
5 | 09/30/2025 | 11:45:04 | -74.35, 171.95 | 102.53 | 09/30/2025 | 11:44:54 | -74.34, 171.97 | 102.54 | 1.69 | 10 |
6 | 10/02/2025 | 21:15:58 | -74.39, 29.12 | 101.56 | 10/02/2025 | 21:17:03 | -74.40, 29.01 | 101.57 | 3.52 | 65 |
7 | 10/02/2025 | 22:06:43 | 74.33,-163.41 | 78.39 | 10/02/2025 | 22:06:21 | 74.36,-163.40 | 78.42 | 2.78 | 22 |
8 | 10/05/2025 | 07:37:38 | 74.43, 53.61 | 79.41 | 10/05/2025 | 07:38:29 | 74.43, 53.68 | 79.40 | 2.16 | 51 |
9 | 10/05/2025 | 08:28:20 | -74.35,-138.87 | 100.67 | 10/05/2025 | 08:27:51 | -74.37,-138.81 | 100.65 | 2.30 | 29 |
10 | 10/07/2025 | 17:59:13 | -74.41, 78.26 | 99.69 | 10/07/2025 | 17:59:58 | -74.40, 78.19 | 99.71 | 2.29 | 45 |
11 | 10/07/2025 | 18:49:58 | 74.35,-114.28 | 80.26 | 10/07/2025 | 18:49:16 | 74.37,-114.21 | 80.28 | 2.69 | 42 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/25/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/25/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA