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: 10/21/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/22/2025 09:29:20 0.35, 61.49 -0.16, 59.23 257.32 80
2 10/23/2025 09:07:59 0.39, 61.50 0.89, 63.74 255.32 80
3 10/24/2025 21:32:29 -0.31, 61.54 0.39, 58.48 348.68 80
4 10/25/2025 21:11:07 -0.36, 61.57 -0.66, 63.00 162.43 80
5 10/27/2025 09:35:46 0.28, 61.62 -0.63, 57.70 446.73 80
6 10/28/2025 09:14:24 0.33, 61.64 0.42, 62.22 65.19 80
7 10/30/2025 21:20:13 -0.29, 61.70 -0.21, 61.47 27.23 80
8 10/31/2025 20:58:52 -0.34, 61.74 -1.27, 65.98 483.41 80
9 11/02/2025 09:23:30 0.25, 61.80 -0.00, 60.69 126.89 80
10 11/03/2025 09:02:08 0.30, 61.83 1.06, 65.20 384.52 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/21/2025
SNOs_Map_GOES-15_NOAA-20_20251022.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 10/21/2025 in txt file.

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