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: 7/25/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 07/25/2025 19:07:24 0.09, -89.51 0.94, -85.63 441.97 80
2 07/27/2025 07:26:33 -0.10, -89.47 0.20, -90.90 162.45 80
3 07/28/2025 07:10:27 -0.09, -89.48 -0.76, -86.36 354.61 80
4 07/29/2025 19:29:44 0.10, -89.52 -0.39, -91.67 244.90 80
5 07/30/2025 19:13:40 0.10, -89.53 0.63, -87.14 272.33 80
6 08/01/2025 07:32:47 -0.11, -89.50 0.56, -92.40 331.36 80
7 08/02/2025 07:16:43 -0.11, -89.50 -0.46, -87.87 185.92 80
8 08/03/2025 19:36:00 0.12, -89.55 -0.68, -93.18 413.38 80
9 08/04/2025 19:19:56 0.12, -89.56 0.34, -88.65 103.88 80
10 08/06/2025 07:39:03 -0.13, -89.53 0.85, -93.92 499.76 80
11 08/07/2025 07:22:59 -0.13, -89.54 -0.18, -89.39 17.66 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 7/25/2025
SNOs_Map_GOES-17_NOAA-20_20250726.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 07/25/2025 in txt file.

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