Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-16 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/10/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 08/10/2025 20:25:40 0.06,-104.74 0.18,-104.24 56.72 80
2 08/13/2025 08:28:42 -0.06,-104.73 0.00,-104.97 27.72 80
3 08/14/2025 08:07:18 -0.06,-104.72 -1.03,-100.44 488.79 80
4 08/15/2025 20:29:14 0.07,-104.73 -0.16,-105.73 114.66 80
5 08/16/2025 20:13:10 0.07,-104.72 0.88,-101.20 401.75 80
6 08/18/2025 08:34:56 -0.08,-104.71 0.33,-106.46 199.80 80
7 08/19/2025 08:13:31 -0.08,-104.70 -0.71,-101.93 316.31 80
8 08/20/2025 20:35:28 0.09,-104.70 -0.48,-107.23 287.75 80
9 08/21/2025 20:19:22 0.09,-104.70 0.51,-102.68 228.96 80
10 08/23/2025 08:41:09 -0.09,-104.69 0.63,-107.95 371.29 80
11 08/24/2025 08:19:44 -0.09,-104.69 -0.35,-103.41 145.55 80

Figure of GOES-16 and NPP satellite orbits during SNOs since TLE Epoch: 8/10/2025
SNOs_Map_GOES-16_NPP_20250810.jpg

Download SNOs between GOES-16 and NPP since TLE EPOCH: 08/10/2025 in txt file.

Historical Predications of SNOs between GOES-16 and NPP