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: 9/17/2025
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 0.01,-105.21 62.97 80
2 09/19/2025 08:05:49 -0.11,-104.66 -0.99,-100.67 453.87 80
3 09/20/2025 20:27:44 0.11,-104.68 -0.17,-105.97 147.26 80
4 09/21/2025 20:11:39 0.11,-104.69 0.83,-101.44 370.24 80
5 09/23/2025 08:33:26 -0.11,-104.69 0.34,-106.71 230.18 80
6 09/24/2025 08:12:01 -0.11,-104.69 -0.66,-102.17 286.91 80
7 09/25/2025 20:33:56 0.11,-104.71 -0.49,-107.47 314.82 80
8 09/26/2025 20:17:51 0.11,-104.71 0.51,-102.94 202.48 80
9 09/28/2025 08:39:38 -0.11,-104.71 0.65,-108.21 397.67 80
10 09/29/2025 08:18:12 -0.12,-104.71 -0.36,-103.67 119.05 80
11 09/30/2025 20:40:07 0.11,-104.72 -0.85,-108.96 483.70 80
12 10/01/2025 20:24:02 0.12,-104.73 0.21,-104.44 33.55 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/17/2025
SNOs_Map_GOES-16_NOAA-21_20250918.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 09/17/2025 in txt file.

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