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: 11/23/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 11/24/2025 09:09:03 0.03, 61.64 0.46, 63.63 226.54 80
2 11/25/2025 21:33:32 0.07, 61.59 0.78, 58.37 366.27 80
3 11/26/2025 21:12:10 0.01, 61.58 -0.26, 62.89 148.98 80
4 11/28/2025 09:36:48 -0.11, 61.60 -0.99, 57.59 456.29 80
5 11/29/2025 09:15:25 -0.05, 61.59 0.05, 62.12 59.80 80
6 12/01/2025 21:21:12 0.11, 61.52 0.13, 61.37 17.00 80
7 12/02/2025 20:59:50 0.05, 61.52 -0.91, 65.89 497.57 80
8 12/04/2025 09:24:27 -0.16, 61.57 -0.39, 60.61 109.63 80
9 12/05/2025 09:03:06 -0.10, 61.56 0.71, 65.11 405.41 80
10 12/06/2025 21:27:34 0.21, 61.51 0.56, 59.86 187.42 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 11/23/2025
SNOs_Map_GOES-15_NOAA-20_20251124.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 11/23/2025 in txt file.

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