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: 10/4/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/05/2025 07:13:33 -0.24, -89.49 -0.66, -87.66 208.36 80
2 10/06/2025 19:38:07 0.22, -89.52 -0.51, -92.95 390.29 80
3 10/07/2025 19:16:41 0.24, -89.53 0.47, -88.41 127.48 80
4 10/09/2025 07:41:07 -0.21, -89.51 0.70, -93.67 473.45 80
5 10/10/2025 07:19:41 -0.23, -89.51 -0.29, -89.12 43.77 80
6 10/12/2025 19:22:50 0.22, -89.55 0.17, -89.89 38.14 80
7 10/13/2025 19:04:03 0.24, -89.56 1.16, -85.34 479.71 80
8 10/15/2025 07:28:29 -0.22, -89.55 -0.01, -90.61 120.31 80
9 10/16/2025 07:07:03 -0.23, -89.55 -1.00, -86.06 397.51 80
10 10/17/2025 19:31:36 0.21, -89.59 -0.20, -91.35 200.35 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/4/2025
SNOs_Map_GOES-17_NOAA-20_20251005.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 10/04/2025 in txt file.

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