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: 5/19/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 05/20/2025 09:32:13 -0.00, 61.63 -0.92, 57.69 450.53 80
2 05/21/2025 09:16:10 -0.02, 61.62 0.13, 62.21 67.60 80
3 05/23/2025 21:16:35 0.00, 61.61 0.03, 61.47 16.32 80
4 05/26/2025 09:19:48 0.02, 61.56 -0.16, 60.68 100.12 80
5 05/27/2025 09:03:44 0.01, 61.56 0.83, 65.22 417.02 80
6 05/28/2025 21:22:53 -0.04, 61.58 0.31, 59.94 186.50 80
7 05/29/2025 21:06:49 -0.02, 61.57 -0.68, 64.47 330.55 80
8 05/31/2025 09:26:06 0.05, 61.54 -0.48, 59.16 271.17 80
9 06/01/2025 09:10:02 0.03, 61.54 0.52, 63.70 245.95 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 5/19/2025
SNOs_Map_GOES-15_NOAA-20_20250520.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 05/19/2025 in txt file.

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