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: 11/20/2025
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 -0.02, 61.66 0.36, 59.89 202.08 80
2 11/21/2025 21:05:47 -0.07, 61.65 -0.67, 64.41 313.44 80
3 11/23/2025 09:30:25 -0.03, 61.66 -0.58, 59.11 290.41 80
4 11/24/2025 09:09:03 0.03, 61.65 0.45, 63.63 225.78 80
5 11/25/2025 21:33:32 0.07, 61.59 0.78, 58.37 367.18 80
6 11/26/2025 21:12:10 0.01, 61.59 -0.25, 62.89 147.84 80
7 11/28/2025 09:36:48 -0.11, 61.62 -1.00, 57.59 457.97 80
8 11/29/2025 09:15:25 -0.05, 61.60 0.04, 62.12 57.89 80
9 12/01/2025 21:21:12 0.11, 61.54 0.15, 61.37 19.29 80
10 12/02/2025 20:59:50 0.05, 61.55 -0.89, 65.89 495.04 80
11 12/04/2025 09:24:27 -0.16, 61.59 -0.40, 60.61 112.69 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 11/20/2025
SNOs_Map_GOES-15_NOAA-20_20251121.jpg

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

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