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: 9/30/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/01/2025 19:31:58 0.23, -89.51 -0.21, -91.47 223.70 80
2 10/02/2025 19:10:33 0.25, -89.51 0.82, -86.94 293.47 80
3 10/04/2025 07:34:59 -0.23, -89.49 0.35, -92.20 308.12 80
4 10/05/2025 07:13:33 -0.24, -89.49 -0.68, -87.66 209.00 80
5 10/06/2025 19:38:07 0.23, -89.52 -0.56, -92.94 390.34 80
6 10/07/2025 19:16:41 0.24, -89.53 0.48, -88.41 127.31 80
7 10/09/2025 07:41:08 -0.22, -89.52 0.69, -93.67 473.21 80
8 10/10/2025 07:19:41 -0.23, -89.52 -0.29, -89.13 43.91 80
9 10/12/2025 19:25:29 0.22, -89.55 0.12, -89.88 38.60 80
10 10/13/2025 19:04:03 0.24, -89.55 1.17, -85.35 479.10 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/30/2025
SNOs_Map_GOES-17_NOAA-20_20251001.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 09/30/2025 in txt file.

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