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: 1/20/2026
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 01/21/2026 19:34:08 -0.49, -89.48 -0.95, -91.55 235.96 80
2 01/22/2026 19:12:45 -0.46, -89.48 0.10, -87.03 280.14 80
3 01/24/2026 07:37:13 0.51, -89.52 1.11, -92.29 315.10 80
4 01/25/2026 07:15:49 0.49, -89.52 0.12, -87.75 200.71 80
5 01/26/2026 19:40:25 -0.53, -89.48 -1.34, -93.04 406.53 80
6 01/27/2026 19:19:02 -0.51, -89.48 -0.28, -88.52 109.67 80
7 01/29/2026 07:43:30 0.55, -89.52 1.49, -93.78 485.17 80
8 01/30/2026 07:22:05 0.54, -89.52 0.49, -89.25 30.77 80
9 02/01/2026 19:27:57 -0.56, -89.48 -0.69, -90.00 59.94 80
10 02/02/2026 19:06:34 -0.54, -89.49 0.38, -85.48 457.07 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 1/20/2026
SNOs_Map_GOES-17_NOAA-20_20260121.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 01/20/2026 in txt file.

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