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: 10/17/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/18/2025 09:01:32 0.45, 61.43 1.32, 65.28 438.49 80
2 10/19/2025 21:26:03 -0.38, 61.46 -0.08, 60.01 165.21 80
3 10/20/2025 21:04:42 -0.42, 61.48 -1.12, 64.52 347.65 80
4 10/22/2025 09:29:20 0.35, 61.48 -0.17, 59.23 257.17 80
5 10/23/2025 09:07:58 0.39, 61.49 0.87, 63.74 256.38 80
6 10/24/2025 21:32:30 -0.31, 61.52 0.36, 58.47 346.56 80
7 10/25/2025 21:11:08 -0.36, 61.54 -0.69, 62.99 165.39 80
8 10/27/2025 09:35:47 0.28, 61.57 -0.60, 57.69 442.12 80
9 10/28/2025 09:14:25 0.33, 61.59 0.45, 62.21 70.61 80
10 10/30/2025 21:20:14 -0.29, 61.63 -0.22, 61.46 19.99 80
11 10/31/2025 20:58:54 -0.34, 61.66 -1.33, 65.96 491.63 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/17/2025
SNOs_Map_GOES-15_NOAA-20_20251018.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 10/17/2025 in txt file.

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