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: 11/7/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 11/08/2025 07:29:08 -0.11, -89.49 0.15, -90.61 127.92 80
2 11/09/2025 07:07:46 -0.14, -89.49 -0.91, -86.10 386.35 80
3 11/10/2025 19:32:26 0.09, -89.50 -0.35, -91.40 217.31 80
4 11/11/2025 19:11:04 0.12, -89.51 0.71, -86.89 298.03 80
5 11/13/2025 07:35:33 -0.08, -89.50 0.54, -92.15 302.79 80
6 11/14/2025 07:14:12 -0.11, -89.51 -0.53, -87.64 212.47 80
7 11/15/2025 19:38:51 0.06, -89.53 -0.72, -92.95 390.44 80
8 11/16/2025 19:17:30 0.08, -89.54 0.35, -88.44 125.81 80
9 11/18/2025 07:41:59 -0.03, -89.55 0.89, -93.70 472.96 80
10 11/19/2025 07:20:37 -0.06, -89.56 -0.12, -89.18 42.75 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/7/2025
SNOs_Map_GOES-17_NOAA-21_20251108.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 11/07/2025 in txt file.

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