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: 11/1/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 11/02/2025 07:41:38 -0.13, -89.50 0.80, -93.65 473.18 80
2 11/03/2025 07:20:12 -0.16, -89.50 -0.21, -89.11 44.00 80
3 11/05/2025 19:25:59 0.13, -89.52 0.06, -89.86 38.63 80
4 11/06/2025 19:04:33 0.15, -89.53 1.08, -85.32 478.88 80
5 11/08/2025 07:28:56 -0.11, -89.52 0.15, -90.57 119.56 80
6 11/09/2025 07:07:31 -0.14, -89.52 -0.93, -86.04 397.42 80
7 11/10/2025 19:32:04 0.09, -89.54 -0.29, -91.33 202.77 80
8 11/11/2025 19:10:38 0.12, -89.55 0.74, -86.79 315.20 80
9 11/13/2025 07:35:01 -0.08, -89.56 0.48, -92.03 281.07 80
10 11/14/2025 07:13:34 -0.11, -89.58 -0.55, -87.49 236.84 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/1/2025
SNOs_Map_GOES-17_NOAA-21_20251102.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 11/01/2025 in txt file.

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