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: 6/18/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 06/19/2025 20:00:19 0.01,-101.24 0.70, -98.16 350.74 80
2 06/21/2025 08:19:25 -0.01,-100.40 0.63,-103.40 340.69 80
3 06/22/2025 08:03:19 -0.01, -99.86 -0.25, -98.84 117.47 80
4 06/24/2025 20:03:46 0.01, -98.52 -0.24, -99.53 115.99 80
5 06/25/2025 19:47:40 0.01, -97.98 0.70, -94.98 342.09 80
6 06/27/2025 08:06:46 -0.01, -97.14 0.69,-100.20 349.46 80
7 06/28/2025 07:50:40 -0.01, -96.61 -0.25, -95.66 109.08 80
8 06/30/2025 19:51:07 0.01, -95.28 -0.22, -96.35 122.18 80
9 07/01/2025 19:35:01 0.00, -94.75 0.67, -91.79 336.98 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 6/18/2025
SNOs_Map_GOES-17_NPP_20250619.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 06/18/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP