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: 9/22/2025
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 | 09/23/2025 | 04:40:09 | 74.32, 98.25 | 74.64 | 09/23/2025 | 04:40:21 | 74.30, 98.18 | 74.62 | 2.79 | 12 |
2 | 09/23/2025 | 05:30:51 | -74.24, -94.22 | 105.45 | 09/23/2025 | 05:29:43 | -74.25, -94.29 | 105.42 | 2.28 | 68 |
3 | 09/25/2025 | 14:11:16 | 74.96, -46.20 | 76.27 | 09/25/2025 | 14:12:22 | 74.88, -43.55 | 76.06 | 77.24 | 66 |
4 | 09/25/2025 | 15:01:47 | -74.35, 122.78 | 104.41 | 09/25/2025 | 15:01:53 | -74.36, 122.87 | 104.40 | 2.92 | 6 |
5 | 09/25/2025 | 15:52:27 | 74.04, -69.14 | 75.28 | 09/25/2025 | 15:51:15 | 74.11, -70.02 | 75.40 | 27.64 | 72 |
6 | 09/28/2025 | 00:32:49 | -74.75, -21.01 | 103.04 | 09/28/2025 | 00:33:59 | -74.65, -19.56 | 103.22 | 44.23 | 70 |
7 | 09/28/2025 | 01:23:27 | 74.35, 147.35 | 76.54 | 09/28/2025 | 01:23:22 | 74.34, 147.42 | 76.53 | 2.26 | 5 |
8 | 09/28/2025 | 02:14:00 | -73.83, -44.03 | 104.02 | 09/28/2025 | 02:12:51 | -73.92, -45.86 | 103.83 | 57.52 | 69 |
9 | 09/30/2025 | 10:54:22 | 74.42, 4.44 | 77.54 | 09/30/2025 | 10:55:32 | 74.39, 4.43 | 77.50 | 3.36 | 70 |
10 | 09/30/2025 | 11:45:04 | -74.34, 171.97 | 102.54 | 09/30/2025 | 11:44:54 | -74.33, 171.96 | 102.54 | 0.90 | 10 |
11 | 10/02/2025 | 21:15:59 | -74.42, 29.05 | 101.54 | 10/02/2025 | 21:17:03 | -74.40, 29.02 | 101.56 | 1.91 | 64 |
12 | 10/02/2025 | 22:06:44 | 74.36,-163.49 | 78.42 | 10/02/2025 | 22:06:21 | 74.36,-163.39 | 78.42 | 2.93 | 23 |
13 | 10/05/2025 | 07:37:38 | 74.40, 53.70 | 79.37 | 10/05/2025 | 07:38:30 | 74.40, 53.60 | 79.37 | 2.90 | 52 |
14 | 10/05/2025 | 08:28:21 | -74.36,-138.89 | 100.66 | 10/05/2025 | 08:27:52 | -74.34,-138.88 | 100.68 | 2.93 | 29 |
Figure of NOAA-21 and TERRA satellite orbits during SNOs since TLE Epoch: 9/22/2025
Download SNOs between NOAA-21 and TERRA since TLE EPOCH: 09/22/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and TERRA