Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/19/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 11/20/2025 21:27:09 -0.01, 61.67 0.41, 59.90 202.38 80
2 11/21/2025 21:05:47 -0.07, 61.66 -0.68, 64.41 313.02 80
3 11/23/2025 09:30:24 -0.03, 61.67 -0.63, 59.12 291.04 80
4 11/24/2025 09:09:03 0.03, 61.65 0.46, 63.63 225.03 80
5 11/25/2025 21:33:32 0.07, 61.60 0.78, 58.37 368.12 80
6 11/26/2025 21:12:10 0.01, 61.60 -0.26, 62.89 146.76 80
7 11/28/2025 09:36:47 -0.11, 61.63 -1.05, 57.61 459.25 80
8 11/29/2025 09:15:26 -0.05, 61.62 0.05, 62.11 56.46 80
9 12/01/2025 21:21:12 0.11, 61.56 0.14, 61.37 21.06 80
10 12/02/2025 20:59:50 0.06, 61.56 -0.91, 65.89 493.22 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 11/19/2025
SNOs_Map_GOES-15_NOAA-20_20251120.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 11/19/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NOAA-20