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: 3/21/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 03/23/2025 09:19:09 -0.11, 61.31 -0.21, 60.79 59.64 80
2 03/24/2025 09:03:03 -0.11, 61.32 0.79, 65.33 457.21 80
3 03/25/2025 21:22:08 0.11, 61.26 0.35, 60.06 135.49 80
4 03/26/2025 21:06:01 0.12, 61.26 -0.65, 64.60 381.30 80
5 03/28/2025 09:25:15 -0.11, 61.34 -0.57, 59.32 230.20 80
6 03/29/2025 09:09:08 -0.11, 61.35 0.45, 63.86 286.30 80
7 03/30/2025 21:28:13 0.11, 61.30 0.74, 58.61 307.19 80
8 03/31/2025 21:12:06 0.11, 61.31 -0.29, 63.14 209.05 80
9 04/02/2025 09:31:19 -0.11, 61.39 -0.92, 57.86 403.35 80
10 04/03/2025 09:15:13 -0.11, 61.41 0.11, 62.39 112.43 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 3/21/2025
SNOs_Map_GOES-15_NOAA-20_20250322.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 03/21/2025 in txt file.

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