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: 9/13/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/14/2025 20:40:17 0.11,-104.66 -0.88,-109.00 495.24 80
2 09/15/2025 20:24:13 0.12,-104.66 0.17,-104.48 21.23 80
3 09/18/2025 08:27:15 -0.12,-104.64 0.01,-105.21 64.73 80
4 09/19/2025 08:05:49 -0.13,-104.64 -0.99,-100.67 451.81 80
5 09/20/2025 20:27:44 0.13,-104.66 -0.17,-105.98 149.69 80
6 09/21/2025 20:11:39 0.13,-104.67 0.83,-101.44 367.53 80
7 09/23/2025 08:33:26 -0.12,-104.66 0.34,-106.71 233.42 80
8 09/24/2025 08:12:01 -0.13,-104.66 -0.66,-102.17 283.38 80
9 09/25/2025 20:33:56 0.12,-104.68 -0.49,-107.47 318.74 80
10 09/26/2025 20:17:51 0.13,-104.68 0.51,-102.94 198.28 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/13/2025
SNOs_Map_GOES-16_NOAA-21_20250914.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 09/13/2025 in txt file.

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