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: 4/21/2025
Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
1 | 04/22/2025 | 22:39:57 | -0.00,-136.99 | -0.44,-138.98 | 226.34 | 80 |
2 | 04/23/2025 | 22:23:51 | -0.00,-137.00 | 0.58,-134.44 | 291.27 | 80 |
3 | 04/25/2025 | 10:45:36 | 0.00,-136.99 | 0.59,-139.70 | 308.33 | 80 |
4 | 04/26/2025 | 10:24:10 | -0.00,-136.99 | -0.43,-135.17 | 208.86 | 80 |
5 | 04/27/2025 | 22:46:02 | 0.00,-136.99 | -0.78,-140.45 | 394.24 | 80 |
6 | 04/28/2025 | 22:29:56 | 0.00,-136.99 | 0.25,-135.91 | 122.41 | 80 |
7 | 04/30/2025 | 10:51:41 | -0.00,-136.97 | 0.92,-141.18 | 478.79 | 80 |
8 | 05/01/2025 | 10:30:13 | -0.00,-136.96 | -0.05,-136.63 | 37.45 | 80 |
9 | 05/03/2025 | 22:33:19 | -0.02,-136.93 | -0.11,-137.38 | 50.38 | 80 |
10 | 05/04/2025 | 22:17:12 | -0.03,-136.92 | 0.87,-132.83 | 465.81 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/21/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 04/21/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21