Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between GOES-18 and NOAA-21 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/28/2025
Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
1 | 07/28/2025 | 22:25:01 | -0.01,-137.01 | 0.52,-134.74 | 259.10 | 80 |
2 | 07/30/2025 | 10:46:48 | 0.02,-137.01 | 0.68,-140.00 | 341.66 | 80 |
3 | 07/31/2025 | 10:25:24 | 0.02,-137.01 | -0.33,-135.47 | 174.76 | 80 |
4 | 08/01/2025 | 22:47:20 | -0.02,-137.01 | -0.88,-140.77 | 429.40 | 80 |
5 | 08/02/2025 | 22:31:16 | -0.02,-137.01 | 0.14,-136.24 | 86.61 | 80 |
6 | 08/05/2025 | 10:34:18 | 0.03,-136.98 | 0.05,-136.98 | 1.24 | 80 |
7 | 08/07/2025 | 22:34:50 | -0.04,-136.96 | -0.22,-137.75 | 90.56 | 80 |
8 | 08/08/2025 | 22:18:46 | -0.05,-136.94 | 0.80,-133.22 | 424.44 | 80 |
9 | 08/10/2025 | 10:40:33 | 0.05,-136.92 | 0.41,-138.49 | 179.14 | 80 |
10 | 08/11/2025 | 10:19:09 | 0.05,-136.90 | -0.61,-133.96 | 335.50 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/28/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 07/28/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21