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: 8/6/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 08/08/2025 09:33:26 0.48, 61.48 -0.40, 57.43 461.86 80
2 08/09/2025 09:17:20 0.48, 61.50 0.57, 61.97 53.40 80
3 08/11/2025 21:20:23 -0.49, 61.60 -0.43, 61.23 41.43 80
4 08/12/2025 21:01:38 -0.48, 61.62 -1.40, 65.77 473.17 80
5 08/14/2025 09:20:55 0.49, 61.59 0.26, 60.46 128.40 80
6 08/15/2025 09:04:50 0.49, 61.61 1.23, 65.00 386.10 80
7 08/16/2025 21:26:37 -0.51, 61.70 -0.06, 59.74 224.25 80
8 08/17/2025 21:05:12 -0.50, 61.73 -1.10, 64.26 289.21 80
9 08/19/2025 09:27:09 0.52, 61.73 -0.09, 58.96 314.54 80
10 08/20/2025 09:11:03 0.52, 61.75 0.89, 63.50 199.30 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 8/6/2025
SNOs_Map_GOES-15_NOAA-20_20250807.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 08/06/2025 in txt file.

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