Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/17/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 03/18/2025 08:24:48 -0.03,-104.39 0.12,-104.98 67.77 80
2 03/19/2025 08:03:23 -0.03,-104.39 -0.92,-100.45 449.19 80
3 03/20/2025 20:25:17 0.03,-104.42 -0.27,-105.74 150.70 80
4 03/21/2025 20:09:10 0.03,-104.42 0.72,-101.20 366.27 80
5 03/23/2025 08:30:56 -0.02,-104.38 0.44,-106.46 236.95 80
6 03/24/2025 08:09:29 -0.02,-104.37 -0.56,-101.92 279.94 80
7 03/25/2025 20:31:24 0.01,-104.40 -0.62,-107.21 320.02 80
8 03/26/2025 20:15:17 0.00,-104.40 0.39,-102.67 197.12 80
9 03/28/2025 08:37:01 -0.00,-104.37 0.82,-107.92 405.50 80
10 03/29/2025 08:15:35 -0.00,-104.36 -0.20,-103.38 111.50 80
11 03/30/2025 20:37:29 0.01,-104.39 -0.96,-108.68 488.91 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 3/17/2025
SNOs_Map_GOES-17_NOAA-20_20250318.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 03/17/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-20