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: 11/12/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 11/13/2025 19:26:34 0.09, -89.50 -0.01, -90.04 61.62 80
2 11/14/2025 19:05:12 0.12, -89.50 1.01, -85.52 454.12 80
3 11/16/2025 07:29:42 -0.07, -89.50 0.19, -90.79 146.52 80
4 11/17/2025 07:08:20 -0.09, -89.50 -0.83, -86.27 368.89 80
5 11/18/2025 19:32:58 0.04, -89.52 -0.42, -91.56 233.55 80
6 11/19/2025 19:11:35 0.07, -89.52 0.61, -87.04 282.53 80
7 11/21/2025 07:36:05 -0.02, -89.53 0.64, -92.30 316.80 80
8 11/22/2025 07:14:43 -0.04, -89.53 -0.46, -87.80 198.69 80
9 11/23/2025 19:39:21 -0.01, -89.54 -0.78, -93.09 404.45 80
10 11/24/2025 19:17:59 0.02, -89.55 0.26, -88.57 111.76 80
11 11/26/2025 07:42:28 0.03, -89.57 0.97, -93.84 486.11 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 11/12/2025
SNOs_Map_GOES-17_NOAA-20_20251113.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 11/12/2025 in txt file.

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