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: 3/17/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 03/18/2025 09:13:02 -0.10, 61.31 0.11, 62.26 108.52 80
2 03/19/2025 21:34:47 0.10, 61.24 1.07, 57.01 482.98 80
3 03/20/2025 21:18:41 0.10, 61.24 0.02, 61.54 33.95 80
4 03/23/2025 09:19:09 -0.11, 61.33 -0.21, 60.78 61.85 80
5 03/24/2025 09:03:03 -0.11, 61.34 0.79, 65.33 454.64 80
6 03/25/2025 21:22:08 0.11, 61.28 0.36, 60.06 137.97 80
7 03/26/2025 21:06:02 0.12, 61.29 -0.64, 64.61 378.42 80
8 03/28/2025 09:27:55 -0.12, 61.38 -0.58, 59.32 234.39 80
9 03/29/2025 09:09:08 -0.12, 61.39 0.43, 63.86 281.71 80
10 03/30/2025 21:28:14 0.11, 61.34 0.71, 58.60 311.73 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 3/17/2025
SNOs_Map_GOES-15_NOAA-20_20250318.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 03/17/2025 in txt file.

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