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: 2/20/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 02/20/2025 20:29:26 0.03,-104.42 0.00,-106.00 176.48 0
2 02/21/2025 20:11:55 0.02,-104.41 0.71,-101.40 343.98 80
3 02/23/2025 08:31:02 -0.02,-104.38 0.52,-106.65 259.65 80
4 02/24/2025 08:12:16 0.01,-104.38 -0.49,-102.11 257.85 80
5 02/25/2025 20:34:12 -0.01,-104.41 -0.66,-107.41 342.40 80
6 02/26/2025 20:15:26 -0.01,-104.40 0.35,-102.88 174.36 80
7 02/28/2025 08:39:52 0.00,-104.37 0.86,-108.13 429.01 80
8 03/01/2025 08:18:27 0.00,-104.37 -0.16,-103.60 87.90 80
9 03/03/2025 20:24:16 -0.00,-104.40 -0.01,-104.35 5.51 80
10 03/06/2025 08:27:17 0.00,-104.36 0.18,-105.07 81.84 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 2/20/2025
SNOs_Map_GOES-17_NPP_20250221.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 02/20/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP