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: 10/9/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 10/10/2025 08:11:43 -0.04,-104.70 -0.64,-102.08 298.60 80
2 10/11/2025 20:33:37 0.04,-104.70 -0.56,-107.37 304.24 80
3 10/12/2025 20:17:31 0.04,-104.70 0.48,-102.84 212.79 80
4 10/14/2025 08:39:17 -0.04,-104.70 0.71,-108.09 386.82 80
5 10/15/2025 08:17:50 -0.04,-104.70 -0.28,-103.55 130.01 80
6 10/16/2025 20:39:45 0.04,-104.70 -0.91,-108.84 472.95 80
7 10/17/2025 20:23:39 0.04,-104.71 0.13,-104.31 44.71 80
8 10/20/2025 08:26:38 -0.04,-104.72 0.06,-105.03 35.66 80
9 10/21/2025 08:05:13 -0.04,-104.73 -1.00,-100.50 481.78 80
10 10/22/2025 20:27:07 0.03,-104.73 -0.19,-105.79 120.98 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/9/2025
SNOs_Map_GOES-16_NOAA-21_20251010.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 10/09/2025 in txt file.

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