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: 10/27/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/28/2025 09:14:25 0.33, 61.55 0.48, 62.21 74.56 80
2 10/30/2025 21:20:14 -0.29, 61.59 -0.27, 61.46 14.85 80
3 10/31/2025 20:58:53 -0.34, 61.61 -1.33, 65.97 497.14 80
4 11/02/2025 09:23:31 0.26, 61.65 0.05, 60.68 110.16 80
5 11/03/2025 09:02:09 0.30, 61.66 1.11, 65.19 402.70 80
6 11/04/2025 21:26:39 -0.21, 61.68 0.20, 59.94 198.83 80
7 11/05/2025 21:05:17 -0.26, 61.71 -0.87, 64.45 312.43 80
8 11/07/2025 09:29:55 0.17, 61.77 -0.40, 59.16 297.76 80
9 11/08/2025 09:08:34 0.22, 61.80 0.67, 63.67 214.09 80
10 11/09/2025 21:33:03 -0.13, 61.81 0.63, 58.42 386.96 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/27/2025
SNOs_Map_GOES-15_NOAA-20_20251028.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 10/27/2025 in txt file.

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