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: 11/3/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 11/05/2025 19:26:00 0.13, -89.53 0.08, -89.87 38.15 80
2 11/06/2025 19:04:33 0.15, -89.54 1.10, -85.33 479.58 80
3 11/08/2025 07:28:57 -0.11, -89.53 0.13, -90.57 118.90 80
4 11/09/2025 07:07:30 -0.14, -89.53 -0.89, -86.03 398.16 80
5 11/10/2025 19:32:03 0.09, -89.55 -0.33, -91.31 201.63 80
6 11/11/2025 19:10:38 0.12, -89.56 0.75, -86.79 316.48 80
7 11/13/2025 07:35:01 -0.08, -89.58 0.47, -92.03 279.82 80
8 11/14/2025 07:13:35 -0.11, -89.59 -0.56, -87.49 238.18 80
9 11/15/2025 19:38:08 0.06, -89.61 -0.65, -92.78 360.80 80
10 11/16/2025 19:16:42 0.09, -89.63 0.38, -88.24 158.17 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/3/2025
SNOs_Map_GOES-17_NOAA-21_20251104.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 11/03/2025 in txt file.

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