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: 4/27/2026
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 04/28/2026 09:07:27 -0.52, 63.23 -0.03, 65.41 248.46 80
2 04/29/2026 21:26:36 0.41, 63.30 1.09, 60.13 361.54 80
3 04/30/2026 21:10:30 0.46, 63.31 0.13, 64.67 156.03 80
4 05/02/2026 09:29:49 -0.34, 63.25 -1.22, 59.35 444.12 80
5 05/03/2026 09:13:43 -0.40, 63.26 -0.25, 63.90 73.51 80
6 05/05/2026 21:14:06 0.35, 63.34 0.41, 63.18 19.70 80
7 05/06/2026 20:58:01 0.41, 63.35 -0.56, 67.72 497.43 80
8 05/08/2026 09:17:19 -0.29, 63.31 -0.51, 62.40 103.92 80
9 05/09/2026 09:01:13 -0.35, 63.32 0.46, 66.95 413.42 80
10 05/10/2026 21:20:23 0.23, 63.39 0.61, 61.66 197.22 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 4/27/2026
SNOs_Map_GOES-15_NOAA-20_20260428.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 04/27/2026 in txt file.

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