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: 11/10/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 11/11/2025 19:11:04 0.12, -89.50 0.71, -86.89 297.35 80
2 11/13/2025 07:35:34 -0.08, -89.49 0.54, -92.15 304.34 80
3 11/14/2025 07:14:12 -0.11, -89.49 -0.53, -87.64 210.52 80
4 11/15/2025 19:38:51 0.06, -89.50 -0.73, -92.95 392.72 80
5 11/16/2025 19:17:30 0.08, -89.51 0.35, -88.44 123.13 80
6 11/18/2025 07:41:59 -0.03, -89.52 0.90, -93.70 476.52 80
7 11/19/2025 07:20:37 -0.06, -89.52 -0.12, -89.18 38.79 80
8 11/21/2025 19:26:34 0.03, -89.54 -0.10, -89.96 49.07 80
9 11/22/2025 19:05:12 0.06, -89.55 0.98, -85.45 466.96 80
10 11/24/2025 07:29:41 -0.01, -89.56 0.25, -90.72 132.05 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/10/2025
SNOs_Map_GOES-17_NOAA-21_20251111.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 11/10/2025 in txt file.

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