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: 5/12/2025
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 05/13/2025 22:46:37 0.02,-137.00 -0.78,-140.60 409.91 80
2 05/14/2025 22:30:33 0.02,-137.00 0.24,-136.08 105.88 80
3 05/16/2025 10:49:43 -0.02,-137.00 0.97,-141.35 496.36 80
4 05/17/2025 10:33:39 -0.01,-136.99 -0.05,-136.82 19.15 80
5 05/19/2025 22:34:13 0.01,-136.98 -0.13,-137.60 71.35 80
6 05/20/2025 22:18:10 0.00,-136.97 0.90,-133.08 443.82 80
7 05/22/2025 10:37:19 -0.01,-136.95 0.31,-138.35 159.62 80
8 05/23/2025 10:21:15 -0.01,-136.94 -0.72,-133.83 355.07 80
9 05/24/2025 22:40:33 0.02,-136.92 -0.47,-139.14 252.30 80
10 05/25/2025 22:24:29 0.02,-136.90 0.56,-134.61 261.85 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/12/2025
SNOs_Map_GOES-18_NOAA-21_20250513.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 05/12/2025 in txt file.

Historical Predications of SNOs between GOES-18 and NOAA-21