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: 11/23/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 11/23/2025 19:16:43 0.03, -89.50 0.59, -87.00 284.85 9
2 11/25/2025 07:40:03 0.02, -89.50 0.62, -92.27 315.12 80
3 11/26/2025 07:18:41 -0.01, -89.50 -0.38, -87.74 199.90 80
4 11/27/2025 19:43:20 -0.04, -89.51 -0.85, -93.05 403.72 80
5 11/28/2025 19:21:58 -0.01, -89.52 0.20, -88.53 112.13 80
6 11/30/2025 07:46:29 0.06, -89.53 1.04, -93.79 486.00 80
7 12/01/2025 07:25:07 0.03, -89.54 -0.01, -89.28 29.46 80
8 12/03/2025 19:31:04 -0.07, -89.54 -0.21, -90.05 58.66 80
9 12/04/2025 19:09:43 -0.04, -89.55 0.85, -85.53 457.28 80
10 12/06/2025 07:34:13 0.10, -89.57 0.38, -90.80 140.46 80
11 12/07/2025 07:12:52 0.07, -89.57 -0.69, -86.28 374.98 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 11/23/2025
SNOs_Map_GOES-17_NPP_20251124.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 11/23/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP