Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-21 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-21 Lat,Lon Distance(km) Time Diff (sec)
1 11/13/2025 07:35:33 -0.08, -89.49 0.54, -92.15 304.37 80
2 11/14/2025 07:14:12 -0.11, -89.49 -0.53, -87.64 210.45 80
3 11/15/2025 19:38:51 0.06, -89.50 -0.72, -92.95 392.78 80
4 11/16/2025 19:17:29 0.08, -89.51 0.30, -88.42 123.03 80
5 11/18/2025 07:41:59 -0.03, -89.51 0.88, -93.70 476.77 80
6 11/19/2025 07:20:37 -0.06, -89.52 -0.14, -89.18 38.50 80
7 11/21/2025 19:26:33 0.03, -89.53 -0.05, -89.97 49.22 80
8 11/22/2025 19:05:11 0.06, -89.54 0.98, -85.45 466.74 80
9 11/24/2025 07:29:40 -0.01, -89.55 0.24, -90.71 132.37 80
10 11/25/2025 07:08:18 -0.04, -89.55 -0.80, -86.19 383.07 80
11 11/26/2025 19:32:56 -0.01, -89.56 -0.45, -91.49 220.20 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/12/2025
SNOs_Map_GOES-17_NOAA-21_20251113.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 11/12/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-21