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: 9/18/2025
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 -0.11,-104.66 -0.00,-105.21 63.01 80
2 09/19/2025 08:05:49 -0.12,-104.66 -1.01,-100.67 453.83 80
3 09/20/2025 20:27:45 0.11,-104.68 -0.15,-105.98 147.30 80
4 09/21/2025 20:11:39 0.11,-104.69 0.85,-101.44 370.20 80
5 09/23/2025 08:33:26 -0.11,-104.68 0.32,-106.71 230.27 80
6 09/24/2025 08:12:01 -0.11,-104.69 -0.68,-102.17 286.81 80
7 09/25/2025 20:33:55 0.11,-104.71 -0.53,-107.46 314.93 80
8 09/26/2025 20:17:51 0.11,-104.71 0.53,-102.94 202.37 80
9 09/28/2025 08:39:37 -0.11,-104.71 0.69,-108.20 397.82 80
10 09/29/2025 08:18:13 -0.12,-104.71 -0.38,-103.67 118.91 80
11 09/30/2025 20:40:07 0.11,-104.72 -0.84,-108.96 483.87 80
12 10/01/2025 20:24:01 0.12,-104.72 0.17,-104.43 33.24 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/18/2025
SNOs_Map_GOES-16_NOAA-21_20250919.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 09/18/2025 in txt file.

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