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: 10/18/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/19/2025 21:26:02 -0.38, 61.46 -0.04, 60.01 165.04 80
2 10/20/2025 21:04:41 -0.42, 61.47 -1.09, 64.53 347.83 80
3 10/22/2025 09:29:20 0.35, 61.48 -0.14, 59.22 256.95 80
4 10/23/2025 09:07:59 0.39, 61.49 0.90, 63.74 256.63 80
5 10/24/2025 21:32:29 -0.31, 61.51 0.38, 58.48 346.25 80
6 10/25/2025 21:11:08 -0.36, 61.54 -0.67, 62.99 165.75 80
7 10/27/2025 09:35:46 0.28, 61.57 -0.61, 57.70 441.69 80
8 10/28/2025 09:14:24 0.33, 61.58 0.44, 62.21 71.12 80
9 10/30/2025 21:20:13 -0.29, 61.63 -0.23, 61.46 19.28 80
10 10/31/2025 20:58:52 -0.34, 61.65 -1.29, 65.98 492.31 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/18/2025
SNOs_Map_GOES-15_NOAA-20_20251019.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 10/18/2025 in txt file.

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