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: 6/25/2025
Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
1 | 06/25/2025 | 22:40:55 | 0.02,-137.00 | -0.47,-139.23 | 253.47 | 80 |
2 | 06/26/2025 | 22:24:51 | 0.01,-137.00 | 0.53,-134.70 | 262.74 | 80 |
3 | 06/28/2025 | 10:43:59 | -0.01,-137.00 | 0.63,-139.97 | 338.66 | 80 |
4 | 06/29/2025 | 10:27:55 | -0.00,-137.00 | -0.37,-135.44 | 177.60 | 80 |
5 | 06/30/2025 | 22:47:12 | 0.00,-137.00 | -0.84,-140.74 | 426.98 | 80 |
6 | 07/01/2025 | 22:31:07 | -0.00,-137.00 | 0.15,-136.21 | 89.10 | 80 |
7 | 07/04/2025 | 10:34:11 | -0.00,-136.98 | -0.00,-136.96 | 2.75 | 80 |
8 | 07/06/2025 | 22:34:45 | 0.01,-136.96 | -0.14,-137.74 | 88.17 | 80 |
9 | 07/07/2025 | 22:18:41 | 0.01,-136.95 | 0.86,-133.21 | 426.73 | 80 |
10 | 07/09/2025 | 10:37:48 | -0.01,-136.92 | 0.35,-138.47 | 177.19 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/25/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 06/25/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21