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: 3/24/2025
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 03/25/2025 10:24:57 0.01,-136.99 -0.36,-135.33 189.27 80
2 03/26/2025 22:46:52 -0.01,-137.00 -0.84,-140.63 414.06 80
3 03/27/2025 22:30:46 -0.01,-137.00 0.19,-136.10 102.63 80
4 03/29/2025 10:52:33 0.01,-136.99 0.96,-141.36 498.31 80
5 03/30/2025 10:31:06 0.00,-136.98 -0.01,-136.82 18.12 80
6 04/01/2025 22:34:16 0.01,-136.97 -0.10,-137.60 70.88 80
7 04/02/2025 22:18:10 0.01,-136.96 0.88,-133.05 444.80 80
8 04/04/2025 10:37:15 -0.01,-136.93 0.31,-138.31 157.72 80
9 04/05/2025 10:21:08 -0.00,-136.92 -0.68,-133.77 357.79 80
10 04/06/2025 22:40:23 0.00,-136.90 -0.49,-139.07 247.52 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 3/24/2025
SNOs_Map_GOES-18_NOAA-21_20250325.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 03/24/2025 in txt file.

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