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: 11/24/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 11/25/2025 21:33:31 0.07, 61.59 0.82, 58.38 366.11 80
2 11/26/2025 21:12:10 0.01, 61.58 -0.28, 62.89 149.21 80
3 11/28/2025 09:36:47 -0.11, 61.60 -1.03, 57.60 455.81 80
4 11/29/2025 09:15:26 -0.05, 61.58 0.07, 62.11 60.36 80
5 12/01/2025 21:21:12 0.11, 61.52 0.17, 61.38 16.45 80
6 12/02/2025 20:59:50 0.05, 61.52 -0.94, 65.89 498.44 80
7 12/04/2025 09:24:27 -0.16, 61.56 -0.36, 60.60 108.53 80
8 12/05/2025 09:03:05 -0.10, 61.55 0.69, 65.12 406.62 80
9 12/06/2025 21:27:33 0.21, 61.50 0.58, 59.87 186.08 80
10 12/07/2025 21:06:11 0.15, 61.51 -0.47, 64.39 327.92 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 11/24/2025
SNOs_Map_GOES-15_NOAA-20_20251125.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 11/24/2025 in txt file.

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