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: 10/1/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 10/02/2025 07:21:01 -0.24, -89.48 -0.24, -89.35 14.31 80
2 10/04/2025 19:26:50 0.24, -89.51 0.08, -90.11 69.02 80
3 10/05/2025 19:05:24 0.25, -89.52 1.11, -85.58 448.34 80
4 10/07/2025 07:29:51 -0.23, -89.49 0.05, -90.84 153.09 80
5 10/08/2025 07:08:24 -0.24, -89.50 -0.93, -86.30 363.91 80
6 10/09/2025 19:32:58 0.22, -89.52 -0.25, -91.59 235.98 80
7 10/10/2025 19:11:33 0.23, -89.53 0.80, -87.06 281.29 80
8 10/12/2025 07:35:58 -0.21, -89.51 0.40, -92.32 319.48 80
9 10/13/2025 07:14:32 -0.23, -89.51 -0.60, -87.78 197.46 80
10 10/14/2025 19:39:06 0.21, -89.54 -0.57, -93.07 402.49 80
11 10/15/2025 19:17:40 0.23, -89.55 0.43, -88.53 115.41 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/1/2025
SNOs_Map_GOES-17_NOAA-21_20251002.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 10/01/2025 in txt file.

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