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: 6/30/2025
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 0.27, -95.66 137.61 80
2 07/03/2025 07:30:24 -0.02, -93.92 -0.67, -91.11 321.06 80
3 07/04/2025 19:49:38 0.03, -93.13 -0.71, -96.38 370.15 80
4 07/05/2025 19:33:33 0.03, -92.60 0.23, -91.83 88.52 80
5 07/08/2025 07:33:51 -0.04, -91.24 0.27, -92.50 143.97 80
6 07/09/2025 07:17:45 -0.03, -90.71 -0.67, -87.95 314.68 80
7 07/10/2025 19:37:00 0.04, -89.92 -0.70, -93.22 376.49 80
8 07/11/2025 19:20:53 0.04, -89.39 0.18, -88.66 82.37 80
9 07/14/2025 07:21:12 -0.04, -88.03 0.25, -89.34 149.04 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/30/2025
SNOs_Map_GOES-17_NOAA-21_20250701.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 06/30/2025 in txt file.

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