Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 9/24/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/25/2025 09:35:44 0.51, 61.33 -0.33, 57.59 425.84 80
2 09/26/2025 09:16:59 0.53, 61.32 0.68, 62.13 90.94 80
3 09/28/2025 21:18:39 -0.52, 61.37 -0.51, 61.40 4.21 1
4 10/01/2025 09:23:09 0.50, 61.36 0.33, 60.65 81.26 80
5 10/02/2025 09:01:43 0.53, 61.36 1.36, 65.18 434.64 80
6 10/03/2025 21:26:09 -0.49, 61.40 -0.18, 59.92 167.88 80
7 10/04/2025 21:04:44 -0.52, 61.41 -1.21, 64.46 346.94 80
8 10/06/2025 09:29:17 0.47, 61.41 -0.03, 59.18 254.98 80
9 10/07/2025 09:07:52 0.50, 61.42 1.00, 63.71 260.54 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/24/2025
SNOs_Map_GOES-15_NOAA-20_20250925.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 09/24/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NOAA-20