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: 4/17/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 04/18/2025 08:18:37 -0.02,-104.36 -0.19,-103.52 95.17 80
2 04/20/2025 20:24:34 0.01,-104.39 0.03,-104.31 8.68 80
3 04/23/2025 08:27:40 -0.01,-104.35 0.17,-105.05 80.36 80
4 04/24/2025 08:06:17 -0.01,-104.34 -0.88,-100.53 435.21 80
5 04/25/2025 20:28:16 0.01,-104.37 -0.30,-105.84 166.98 80
6 04/26/2025 20:12:13 0.01,-104.37 0.70,-101.31 348.85 80
7 04/28/2025 08:34:02 -0.01,-104.34 0.49,-106.58 255.59 80
8 04/29/2025 08:12:39 -0.01,-104.33 -0.51,-102.05 259.66 80
9 04/30/2025 20:34:38 0.01,-104.35 -0.65,-107.37 343.54 80
10 05/01/2025 20:18:35 0.00,-104.34 0.36,-102.84 172.14 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 4/17/2025
SNOs_Map_GOES-17_NPP_20250418.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 04/17/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP