Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and NOAA-19 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/18/2025
Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (NOAA-19) | Time (NOAA-19) | Lat,Lon (NOAA-19) | SZA (NOAA-19 ) | Distance(km) | Time Diff (sec) |
1 | 07/18/2025 | 14:03:40 | 70.38, -35.03 | 49.49 | 07/18/2025 | 14:02:29 | 70.37, -36.55 | 49.56 | 56.99 | 71 |
2 | 07/18/2025 | 14:54:32 | -70.81, 131.60 | 130.05 | 07/18/2025 | 14:53:17 | -70.81, 131.45 | 130.04 | 5.34 | 75 |
3 | 07/18/2025 | 15:45:19 | 70.86, -61.17 | 50.01 | 07/18/2025 | 15:44:16 | 70.86, -61.22 | 50.02 | 1.74 | 63 |
4 | 07/18/2025 | 16:36:03 | -70.87, 106.13 | 129.98 | 07/18/2025 | 16:35:12 | -70.88, 106.09 | 129.96 | 1.94 | 51 |
5 | 07/18/2025 | 17:26:50 | 70.92, -86.64 | 50.08 | 07/18/2025 | 17:26:11 | 70.93, -86.58 | 50.09 | 2.62 | 39 |
6 | 07/18/2025 | 18:17:34 | -70.93, 80.66 | 129.91 | 07/18/2025 | 18:17:08 | -70.90, 80.64 | 129.93 | 2.82 | 26 |
7 | 07/18/2025 | 19:08:20 | 70.92,-112.02 | 50.10 | 07/18/2025 | 19:08:07 | 70.95,-112.02 | 50.13 | 2.99 | 13 |
8 | 07/18/2025 | 19:59:04 | -70.93, 55.28 | 129.89 | 07/18/2025 | 19:59:04 | -70.92, 55.19 | 129.90 | 3.35 | 0 |
9 | 07/18/2025 | 20:49:51 | 70.98,-137.49 | 50.17 | 07/18/2025 | 20:50:03 | 70.97,-137.47 | 50.16 | 1.25 | 12 |
10 | 07/18/2025 | 21:40:34 | -70.99, 29.81 | 129.82 | 07/18/2025 | 21:40:58 | -70.99, 29.83 | 129.82 | 1.03 | 24 |
11 | 07/18/2025 | 22:31:20 | 70.98,-162.87 | 50.19 | 07/18/2025 | 22:31:58 | 70.99,-162.92 | 50.19 | 1.86 | 38 |
12 | 07/18/2025 | 23:22:04 | -70.99, 4.43 | 129.80 | 07/18/2025 | 23:22:54 | -71.01, 4.38 | 129.79 | 2.93 | 50 |
13 | 07/19/2025 | 00:12:51 | 71.04, 171.66 | 50.26 | 07/19/2025 | 00:13:54 | 71.01, 171.63 | 50.22 | 3.40 | 63 |
14 | 07/19/2025 | 01:03:36 | -71.10, -21.13 | 129.67 | 07/19/2025 | 01:04:49 | -71.08, -20.97 | 129.71 | 5.77 | 73 |
15 | 07/19/2025 | 01:54:31 | 71.56, 145.37 | 50.84 | 07/19/2025 | 01:55:40 | 71.54, 147.11 | 50.73 | 61.43 | 69 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 7/18/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 07/18/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19