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: 5/21/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 05/23/2025 21:16:35 0.00, 61.59 0.01, 61.46 14.32 80
2 05/26/2025 09:19:48 0.02, 61.53 -0.19, 60.69 96.28 80
3 05/27/2025 09:03:44 0.01, 61.52 0.86, 65.21 421.39 80
4 05/28/2025 21:22:54 -0.04, 61.53 0.29, 59.93 181.59 80
5 05/29/2025 21:06:49 -0.02, 61.52 -0.70, 64.47 336.03 80
6 05/31/2025 09:26:06 0.05, 61.48 -0.46, 59.16 264.61 80
7 06/01/2025 09:10:02 0.03, 61.47 0.53, 63.69 253.02 80
8 06/02/2025 21:29:11 -0.06, 61.49 0.62, 58.42 350.07 80
9 06/03/2025 21:13:07 -0.05, 61.48 -0.37, 62.95 167.65 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 5/21/2025
SNOs_Map_GOES-15_NOAA-20_20250522.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 05/21/2025 in txt file.

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