Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/6/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 08/07/2025 07:21:58 -0.13, -89.47 -0.14, -89.37 10.70 21
2 08/09/2025 19:23:30 0.14, -89.50 0.02, -90.16 73.97 80
3 08/10/2025 19:07:25 0.14, -89.50 0.99, -85.61 442.89 80
4 08/12/2025 07:26:32 -0.14, -89.47 0.18, -90.88 160.62 80
5 08/13/2025 07:10:28 -0.14, -89.47 -0.85, -86.35 356.33 80
6 08/14/2025 19:29:44 0.15, -89.51 -0.35, -91.65 244.14 80
7 08/15/2025 19:13:39 0.15, -89.51 0.69, -87.12 272.79 80
8 08/17/2025 07:32:47 -0.16, -89.48 0.48, -92.39 330.70 80
9 08/18/2025 07:16:42 -0.16, -89.49 -0.55, -87.86 186.09 80
10 08/19/2025 19:35:59 0.17, -89.52 -0.64, -93.16 414.50 80
11 08/20/2025 19:19:54 0.17, -89.53 0.40, -88.63 102.77 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 8/6/2025
SNOs_Map_GOES-17_NOAA-20_20250807.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 08/06/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-20