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: 9/15/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 09/16/2025 09:04:39 0.57, 61.33 1.43, 65.08 427.59 80
2 09/17/2025 21:26:24 -0.55, 61.38 -0.17, 59.83 177.08 80
3 09/18/2025 21:04:59 -0.57, 61.38 -1.24, 64.36 339.13 80
4 09/20/2025 09:26:55 0.54, 61.33 0.06, 59.06 258.48 80
5 09/21/2025 09:10:49 0.55, 61.33 1.07, 63.60 258.66 80
6 09/22/2025 21:32:36 -0.52, 61.37 0.13, 58.34 344.43 80
7 09/23/2025 21:11:10 -0.54, 61.37 -0.88, 62.88 171.51 80
8 09/25/2025 09:35:44 0.51, 61.34 -0.35, 57.59 427.77 80
9 09/26/2025 09:14:20 0.53, 61.34 0.72, 62.11 88.70 80
10 09/28/2025 21:17:21 -0.52, 61.39 -0.54, 61.39 2.01 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 9/15/2025
SNOs_Map_GOES-15_NOAA-20_20250916.jpg

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

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