Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/20/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/21/2025 07:13:33 -0.21, -89.50 -0.62, -87.62 214.47 80
2 10/22/2025 19:38:13 0.18, -89.53 -0.61, -92.92 387.06 80
3 10/23/2025 19:16:51 0.20, -89.54 0.44, -88.41 128.81 80
4 10/25/2025 07:41:22 -0.16, -89.53 0.78, -93.68 473.72 80
5 10/26/2025 07:20:01 -0.18, -89.53 -0.27, -89.17 41.58 80
6 10/28/2025 19:25:59 0.17, -89.57 0.10, -89.96 44.50 80
7 10/29/2025 19:04:36 0.19, -89.58 1.10, -85.43 471.59 80
8 10/31/2025 07:29:08 -0.16, -89.57 0.11, -90.71 129.82 80
9 11/01/2025 07:07:46 -0.18, -89.58 -0.95, -86.20 386.03 80
10 11/02/2025 19:32:26 0.15, -89.61 -0.26, -91.50 215.27 80
11 11/03/2025 19:11:03 0.17, -89.62 0.75, -86.98 301.31 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/20/2025
SNOs_Map_GOES-17_NOAA-20_20251021.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 10/20/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-20