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: 8/18/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 08/19/2025 19:16:01 0.17, -89.52 0.74, -86.88 299.91 80
2 08/21/2025 07:37:48 -0.18, -89.48 0.40, -92.15 304.43 80
3 08/22/2025 07:19:03 -0.18, -89.48 -0.58, -87.61 213.03 80
4 08/23/2025 19:38:20 0.19, -89.54 -0.55, -92.92 384.61 80
5 08/24/2025 19:22:14 0.18, -89.55 0.44, -88.38 133.49 80
6 08/26/2025 07:44:01 -0.19, -89.52 0.75, -93.63 469.05 80
7 08/27/2025 07:22:36 -0.19, -89.53 -0.29, -89.11 49.12 80
8 08/29/2025 19:25:48 0.19, -89.61 0.16, -89.88 29.74 80
9 08/30/2025 19:09:43 0.20, -89.62 1.15, -85.34 488.69 80
10 09/01/2025 07:31:29 -0.20, -89.60 0.04, -90.59 113.58 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 8/18/2025
SNOs_Map_GOES-17_NPP_20250819.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 08/18/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP