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: 4/29/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 04/29/2025 09:25:41 -0.08, 61.49 -0.60, 59.25 256.49 80
2 04/30/2025 09:09:38 -0.09, 61.51 0.42, 63.77 258.19 80
3 05/01/2025 21:28:47 0.07, 61.51 0.74, 58.50 343.10 80
4 05/02/2025 21:12:42 0.08, 61.52 -0.23, 63.03 171.76 80
5 05/04/2025 09:32:01 -0.06, 61.56 -0.94, 57.72 438.33 80
6 05/05/2025 09:15:57 -0.08, 61.58 0.09, 62.25 76.41 80
7 05/07/2025 21:16:22 0.07, 61.60 0.10, 61.51 10.30 80
8 05/10/2025 09:19:36 -0.05, 61.65 -0.27, 60.73 105.50 80
9 05/11/2025 09:03:32 -0.06, 61.67 0.77, 65.25 408.84 80
10 05/12/2025 21:22:41 0.04, 61.69 0.44, 59.99 194.21 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 4/29/2025
SNOs_Map_GOES-15_NOAA-20_20250430.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 04/29/2025 in txt file.

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