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: 11/13/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 11/14/2025 07:14:12 -0.11, -89.49 -0.51, -87.64 210.35 80
2 11/15/2025 19:38:51 0.06, -89.50 -0.73, -92.94 392.93 80
3 11/16/2025 19:17:29 0.08, -89.51 0.35, -88.43 122.81 80
4 11/18/2025 07:41:59 -0.03, -89.51 0.88, -93.70 477.10 80
5 11/19/2025 07:20:36 -0.06, -89.51 -0.14, -89.18 38.11 80
6 11/21/2025 19:26:33 0.03, -89.53 -0.05, -89.97 49.70 80
7 11/22/2025 19:05:11 0.06, -89.53 0.99, -85.45 466.25 80
8 11/24/2025 07:29:39 -0.01, -89.54 0.28, -90.70 132.98 80
9 11/25/2025 07:08:17 -0.04, -89.54 -0.76, -86.18 382.45 80
10 11/26/2025 19:32:56 -0.01, -89.55 -0.43, -91.50 220.84 80
11 11/27/2025 19:11:33 0.02, -89.57 0.62, -86.98 295.53 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/13/2025
SNOs_Map_GOES-17_NOAA-21_20251114.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 11/13/2025 in txt file.

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