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: 8/1/2025
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 08/01/2025 22:47:21 0.02,-137.00 -0.80,-140.79 431.12 80
2 08/02/2025 22:31:16 0.02,-137.00 0.16,-136.25 84.67 80
3 08/05/2025 10:34:20 -0.03,-136.97 -0.04,-137.00 2.98 80
4 08/07/2025 22:34:52 0.04,-136.94 -0.14,-137.77 94.34 80
5 08/08/2025 22:18:47 0.04,-136.93 0.88,-133.24 420.41 80
6 08/10/2025 10:37:54 -0.05,-136.90 0.32,-138.50 183.34 80
7 08/11/2025 10:21:50 -0.05,-136.88 -0.70,-133.97 331.16 80
8 08/12/2025 22:41:06 0.05,-136.85 -0.48,-139.28 276.16 80
9 08/13/2025 22:25:02 0.05,-136.83 0.55,-134.75 238.04 80
10 08/15/2025 10:44:09 -0.06,-136.79 0.67,-140.01 366.98 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/1/2025
SNOs_Map_GOES-18_NOAA-21_20250802.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 08/01/2025 in txt file.

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