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: 9/16/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/18/2025 08:27:15 -0.12,-104.66 -0.01,-105.21 63.28 80
2 09/19/2025 08:05:50 -0.13,-104.66 -1.02,-100.68 453.63 80
3 09/20/2025 20:27:45 0.13,-104.68 -0.15,-105.98 147.42 80
4 09/21/2025 20:11:39 0.13,-104.69 0.86,-101.44 370.15 80
5 09/23/2025 08:33:27 -0.12,-104.69 0.32,-106.71 230.20 80
6 09/24/2025 08:12:01 -0.13,-104.69 -0.69,-102.18 286.94 80
7 09/25/2025 20:33:56 0.12,-104.71 -0.47,-107.48 314.71 80
8 09/26/2025 20:17:51 0.13,-104.72 0.54,-102.94 202.67 80
9 09/28/2025 08:39:37 -0.12,-104.72 0.68,-108.20 397.42 80
10 09/29/2025 08:18:13 -0.13,-104.72 -0.38,-103.68 119.37 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/16/2025
SNOs_Map_GOES-16_NOAA-21_20250917.jpg

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

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