Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/1/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 07/02/2025 07:46:30 -0.02, -94.45 0.25, -95.66 137.55 80
2 07/03/2025 07:30:24 -0.02, -93.92 -0.63, -91.10 321.05 80
3 07/04/2025 19:49:39 0.03, -93.13 -0.69, -96.38 370.23 80
4 07/05/2025 19:33:32 0.03, -92.60 0.19, -91.82 88.38 80
5 07/08/2025 07:33:51 -0.04, -91.24 0.25, -92.50 144.08 80
6 07/09/2025 07:17:45 -0.04, -90.71 -0.63, -87.94 314.52 80
7 07/10/2025 19:37:00 0.04, -89.91 -0.68, -93.22 376.75 80
8 07/11/2025 19:20:54 0.04, -89.38 0.20, -88.66 82.06 80
9 07/14/2025 07:21:12 -0.05, -88.03 0.23, -89.34 149.34 80
10 07/15/2025 07:05:06 -0.04, -87.50 -0.66, -84.79 309.92 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/1/2025
SNOs_Map_GOES-17_NOAA-21_20250702.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 07/01/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-21