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: 4/12/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 04/13/2025 08:37:08 -0.02,-104.38 0.78,-107.94 406.25 80
2 04/14/2025 08:15:45 -0.03,-104.37 -0.22,-103.41 109.25 80
3 04/15/2025 20:37:44 0.02,-104.40 -0.95,-108.73 493.13 80
4 04/16/2025 20:21:41 0.02,-104.40 0.05,-104.20 22.60 80
5 04/19/2025 08:24:46 -0.02,-104.36 0.13,-104.94 66.84 80
6 04/20/2025 08:03:23 -0.02,-104.35 -0.88,-100.42 448.47 80
7 04/21/2025 20:25:22 0.01,-104.38 -0.27,-105.74 154.23 80
8 04/22/2025 20:09:19 0.01,-104.37 0.74,-101.21 361.54 80
9 04/24/2025 08:31:07 -0.00,-104.34 0.49,-106.47 242.75 80
10 04/25/2025 08:09:44 -0.01,-104.34 -0.53,-101.94 272.72 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 4/12/2025
SNOs_Map_GOES-17_NOAA-20_20250413.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 04/12/2025 in txt file.

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