Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/31/2026
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 04/01/2026 21:31:11 0.81, 63.33 1.55, 60.17 360.39 80
2 04/02/2026 21:15:09 0.84, 63.33 0.52, 64.69 156.49 80
3 04/04/2026 09:34:31 -0.77, 63.26 -1.67, 59.38 443.41 80
4 04/05/2026 09:18:29 -0.81, 63.26 -0.63, 63.90 73.37 80
5 04/07/2026 21:18:59 0.77, 63.32 0.81, 63.15 20.01 80
6 04/08/2026 21:02:57 0.82, 63.33 -0.17, 67.68 496.32 80
7 04/10/2026 09:22:19 -0.74, 63.27 -0.92, 62.35 104.90 80
8 04/11/2026 09:06:16 -0.78, 63.28 0.06, 66.88 411.55 80
9 04/12/2026 21:25:29 0.69, 63.35 1.08, 61.60 198.87 80
10 04/13/2026 21:09:26 0.74, 63.35 0.09, 66.13 317.29 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 3/31/2026
SNOs_Map_GOES-15_NPP_20260401.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 03/31/2026 in txt file.

Historical Predications of SNOs between GOES-15 and NPP