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: 7/12/2025
Index | Date | Time (GOES-18) | GOES-18 Lat,Lon | NOAA-21 Lat,Lon | Distance(km) | Time Diff (sec) |
1 | 07/12/2025 | 22:24:57 | -0.00,-137.00 | 0.53,-134.73 | 260.08 | 80 |
2 | 07/14/2025 | 10:46:45 | -0.00,-137.00 | 0.66,-139.99 | 341.52 | 80 |
3 | 07/15/2025 | 10:25:20 | -0.01,-136.99 | -0.34,-135.46 | 174.28 | 80 |
4 | 07/16/2025 | 22:47:18 | 0.01,-136.99 | -0.85,-140.77 | 431.07 | 80 |
5 | 07/17/2025 | 22:31:13 | 0.01,-136.98 | 0.15,-136.24 | 84.41 | 80 |
6 | 07/20/2025 | 10:34:17 | -0.01,-136.95 | -0.02,-136.98 | 4.12 | 80 |
7 | 07/22/2025 | 22:34:50 | 0.02,-136.91 | -0.16,-137.76 | 96.50 | 80 |
8 | 07/23/2025 | 22:18:45 | 0.02,-136.89 | 0.85,-133.23 | 417.85 | 80 |
9 | 07/25/2025 | 10:37:53 | -0.02,-136.86 | 0.35,-138.49 | 186.28 | 80 |
10 | 07/26/2025 | 10:21:48 | -0.02,-136.84 | -0.66,-133.96 | 328.04 | 80 |
Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/12/2025
Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 07/12/2025 in txt file.
Historical Predications of SNOs between GOES-18 and NOAA-21