Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/20/2026
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 01/21/2026 19:10:58 -0.46, -89.48 0.42, -85.51 452.25 80
2 01/23/2026 07:35:27 0.50, -89.52 0.76, -90.78 143.07 80
3 01/24/2026 07:14:04 0.48, -89.52 -0.26, -86.25 372.63 80
4 01/25/2026 19:38:41 -0.52, -89.48 -0.98, -91.54 234.66 80
5 01/26/2026 19:17:18 -0.50, -89.48 0.04, -87.01 281.50 80
6 01/28/2026 07:41:47 0.54, -89.52 1.14, -92.27 313.34 80
7 01/29/2026 07:20:24 0.53, -89.52 0.12, -87.74 202.42 80
8 01/30/2026 19:45:00 -0.57, -89.47 -1.39, -93.02 405.40 80
9 01/31/2026 19:23:37 -0.55, -89.48 -0.31, -88.51 111.16 80
10 02/02/2026 07:48:06 0.58, -89.53 1.54, -93.76 482.39 80
11 02/03/2026 07:26:42 0.57, -89.54 0.51, -89.23 34.28 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 1/20/2026
SNOs_Map_GOES-17_NPP_20260121.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 01/20/2026 in txt file.

Historical Predications of SNOs between GOES-17 and NPP