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: 7/23/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 07/24/2025 19:23:29 0.09, -89.51 -0.05, -90.16 74.51 80
2 07/25/2025 19:07:25 0.09, -89.51 0.97, -85.63 442.01 80
3 07/27/2025 07:26:32 -0.09, -89.47 0.23, -90.90 162.32 80
4 07/28/2025 07:10:28 -0.09, -89.48 -0.79, -86.37 354.77 80
5 07/29/2025 19:29:45 0.10, -89.53 -0.36, -91.68 244.58 80
6 07/30/2025 19:13:41 0.10, -89.53 0.66, -87.15 272.75 80
7 08/01/2025 07:32:48 -0.11, -89.50 0.53, -92.41 330.89 80
8 08/02/2025 07:16:43 -0.11, -89.51 -0.49, -87.88 186.47 80
9 08/03/2025 19:36:00 0.12, -89.56 -0.71, -93.18 412.69 80
10 08/04/2025 19:19:55 0.12, -89.57 0.31, -88.65 104.64 80
11 08/06/2025 07:39:02 -0.13, -89.54 0.87, -93.91 498.95 80

Figure of GOES-17 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 7/23/2025
SNOs_Map_GOES-17_NOAA-20_20250724.jpg

Download SNOs between GOES-17 and NOAA-20 since TLE EPOCH: 07/23/2025 in txt file.

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