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: 8/4/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 08/07/2025 07:22:57 -0.13, -89.47 -0.14, -89.37 10.54 80
2 08/09/2025 19:23:30 0.14, -89.50 0.02, -90.16 74.61 80
3 08/10/2025 19:07:25 0.14, -89.50 0.99, -85.61 442.15 80
4 08/12/2025 07:26:32 -0.14, -89.47 0.18, -90.88 161.34 80
5 08/13/2025 07:10:28 -0.14, -89.47 -0.85, -86.35 355.51 80
6 08/14/2025 19:29:44 0.15, -89.50 -0.35, -91.65 245.29 80
7 08/15/2025 19:13:39 0.15, -89.50 0.69, -87.12 271.53 80
8 08/17/2025 07:32:47 -0.16, -89.47 0.48, -92.39 331.95 80
9 08/18/2025 07:16:42 -0.16, -89.47 -0.55, -87.86 184.75 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 8/4/2025
SNOs_Map_GOES-17_NOAA-20_20250805.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 08/04/2025 in txt file.

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