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: 10/29/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/30/2025 21:20:14 -0.29, 61.59 -0.25, 61.46 14.33 80
2 10/31/2025 20:58:52 -0.34, 61.61 -1.30, 65.98 497.99 80
3 11/02/2025 09:23:30 0.26, 61.63 0.03, 60.68 108.74 80
4 11/03/2025 09:02:09 0.30, 61.65 1.09, 65.20 404.37 80
5 11/04/2025 21:26:39 -0.22, 61.66 0.16, 59.93 196.96 80
6 11/05/2025 21:05:18 -0.26, 61.69 -0.90, 64.44 314.52 80
7 11/07/2025 09:29:55 0.17, 61.75 -0.43, 59.16 295.14 80
8 11/08/2025 09:08:34 0.22, 61.77 0.64, 63.68 216.95 80
9 11/09/2025 21:33:03 -0.13, 61.78 0.65, 58.42 383.88 80
10 11/10/2025 21:11:41 -0.19, 61.82 -0.42, 62.93 126.97 80
11 11/12/2025 09:36:20 0.09, 61.89 -0.84, 57.64 484.61 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/29/2025
SNOs_Map_GOES-15_NOAA-20_20251030.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 10/29/2025 in txt file.

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