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: 7/10/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 07/13/2025 09:20:52 0.32, 61.27 0.11, 60.45 94.22 80
2 07/14/2025 09:04:47 0.31, 61.28 1.12, 64.98 421.82 80
3 07/15/2025 21:23:55 -0.34, 61.35 0.04, 59.71 187.39 80
4 07/16/2025 21:07:51 -0.32, 61.36 -0.97, 64.24 328.15 80
5 07/18/2025 09:27:08 0.35, 61.32 -0.19, 58.93 272.69 80
6 07/19/2025 09:11:04 0.34, 61.34 0.83, 63.46 242.53 80
7 07/20/2025 21:30:12 -0.38, 61.42 0.33, 58.19 367.55 80
8 07/21/2025 21:14:08 -0.37, 61.44 -0.68, 62.72 146.98 80
9 07/23/2025 09:33:24 0.40, 61.42 -0.53, 57.43 455.63 80
10 07/24/2025 09:17:19 0.39, 61.43 0.49, 61.96 59.11 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 7/10/2025
SNOs_Map_GOES-15_NOAA-20_20250711.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 07/10/2025 in txt file.

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