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: 4/18/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 04/19/2025 08:24:46 -0.02,-104.36 0.13,-104.94 66.90 80
2 04/20/2025 08:03:23 -0.02,-104.35 -0.88,-100.41 448.49 80
3 04/21/2025 20:25:22 0.01,-104.38 -0.27,-105.73 153.48 80
4 04/22/2025 20:09:19 0.01,-104.38 0.74,-101.21 362.35 80
5 04/24/2025 08:31:07 -0.01,-104.35 0.50,-106.47 242.43 80
6 04/25/2025 08:09:44 -0.01,-104.34 -0.52,-101.94 273.11 80
7 04/26/2025 20:31:43 0.01,-104.37 -0.62,-107.26 329.38 80
8 04/27/2025 20:15:39 0.01,-104.37 0.40,-102.74 186.35 80
9 04/29/2025 08:37:28 -0.01,-104.33 0.83,-108.00 418.27 80
10 04/30/2025 08:16:04 -0.01,-104.32 -0.19,-103.47 96.91 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 4/18/2025
SNOs_Map_GOES-17_NOAA-20_20250419.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 04/18/2025 in txt file.

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