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: 7/31/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 08/01/2025 19:24:34 0.11, -89.51 -0.04, -90.21 79.36 80
2 08/02/2025 19:08:30 0.11, -89.51 0.98, -85.68 437.06 80
3 08/04/2025 07:27:37 -0.12, -89.48 0.22, -90.95 167.54 80
4 08/05/2025 07:11:33 -0.12, -89.48 -0.80, -86.42 348.86 80
5 08/06/2025 19:30:50 0.13, -89.52 -0.35, -91.73 252.14 80
6 08/07/2025 19:14:46 0.13, -89.52 0.68, -87.20 264.50 80
7 08/09/2025 07:33:53 -0.14, -89.49 0.53, -92.47 339.62 80
8 08/10/2025 07:17:49 -0.14, -89.49 -0.49, -87.94 177.28 80
9 08/11/2025 19:37:05 0.15, -89.53 -0.69, -93.24 422.78 80
10 08/12/2025 19:21:00 0.14, -89.54 0.33, -88.71 94.46 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/31/2025
SNOs_Map_GOES-17_NOAA-21_20250801.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 07/31/2025 in txt file.

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