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: 4/25/2025
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 04/26/2025 10:24:19 -0.00,-137.00 -0.40,-135.20 205.36 80
2 04/27/2025 22:46:17 0.00,-137.00 -0.77,-140.51 399.79 80
3 04/28/2025 22:30:14 0.00,-137.00 0.23,-135.99 115.54 80
4 04/30/2025 10:52:04 -0.00,-136.99 0.95,-141.27 487.66 80
5 05/01/2025 10:30:41 -0.00,-136.98 -0.05,-136.74 27.18 80
6 05/03/2025 22:33:54 -0.02,-136.96 -0.14,-137.52 63.96 80
7 05/04/2025 22:17:51 -0.02,-136.95 0.87,-132.99 450.94 80
8 05/06/2025 10:37:01 0.02,-136.93 0.30,-138.27 152.64 80
9 05/07/2025 10:20:57 0.03,-136.92 -0.66,-133.74 362.17 80
10 05/08/2025 22:40:14 -0.03,-136.90 -0.52,-139.05 244.41 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/25/2025
SNOs_Map_GOES-18_NOAA-21_20250426.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 04/25/2025 in txt file.

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