Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-16 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/30/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 10/31/2025 08:17:24 -0.02,-104.71 -0.32,-103.43 145.71 80
2 11/01/2025 20:39:19 0.01,-104.72 -0.86,-108.73 455.75 80
3 11/02/2025 20:23:12 0.01,-104.75 0.16,-104.19 64.58 80
4 11/05/2025 08:26:10 -0.00,-104.84 0.00,-104.90 7.05 80
5 11/07/2025 20:26:37 -0.01,-104.86 -0.21,-105.64 89.87 80
6 11/08/2025 20:10:30 -0.00,-104.88 0.81,-101.11 429.93 80
7 11/10/2025 08:32:15 0.01,-104.95 0.35,-106.36 161.72 80
8 11/11/2025 08:10:49 0.00,-104.97 -0.73,-101.84 357.73 80
9 11/12/2025 20:32:43 -0.01,-104.97 -0.48,-107.12 244.82 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/30/2025
SNOs_Map_GOES-16_NOAA-21_20251031.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 10/30/2025 in txt file.

Historical Predications of SNOs between GOES-16 and NOAA-21