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: 5/10/2025
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 05/11/2025 10:46:02 0.00,-136.99 0.65,-139.81 321.30 80
2 05/12/2025 10:24:39 0.00,-136.99 -0.37,-135.28 193.97 80
3 05/13/2025 22:46:36 0.00,-136.98 -0.83,-140.59 412.04 80
4 05/14/2025 22:30:33 0.00,-136.97 0.19,-136.06 102.64 80
5 05/17/2025 10:30:59 -0.02,-136.93 -0.05,-136.82 12.51 80
6 05/19/2025 22:34:13 0.02,-136.89 -0.12,-137.61 81.02 80
7 05/20/2025 22:18:09 0.02,-136.87 0.84,-133.07 432.96 80
8 05/22/2025 10:37:19 -0.02,-136.84 0.30,-138.35 172.27 80
9 05/23/2025 10:21:15 -0.02,-136.82 -0.67,-133.82 341.29 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/10/2025
SNOs_Map_GOES-18_NOAA-21_20250511.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 05/10/2025 in txt file.

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