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: 9/13/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/14/2025 08:29:34 -0.11,-104.65 -0.03,-105.07 48.06 80
2 09/15/2025 08:08:12 -0.12,-104.64 -1.06,-100.55 467.12 80
3 09/16/2025 20:30:11 0.12,-104.66 -0.15,-105.86 136.49 80
4 09/17/2025 20:14:09 0.12,-104.66 0.88,-101.33 379.36 80
5 09/19/2025 08:35:59 -0.12,-104.65 0.30,-106.61 223.23 80
6 09/20/2025 08:14:37 -0.13,-104.65 -0.73,-102.08 292.63 80
7 09/21/2025 20:36:36 0.12,-104.67 -0.46,-107.39 310.52 80
8 09/22/2025 20:20:32 0.13,-104.67 0.51,-102.86 205.94 80
9 09/24/2025 08:42:23 -0.12,-104.67 0.68,-108.13 395.53 80
10 09/25/2025 08:21:00 -0.13,-104.67 -0.36,-103.61 120.34 80
11 09/26/2025 20:43:00 0.12,-104.68 -0.82,-108.92 483.53 80

Figure of GOES-16 and NPP satellite orbits during SNOs since TLE Epoch: 9/13/2025
SNOs_Map_GOES-16_NPP_20250914.jpg

Download SNOs between GOES-16 and NPP since TLE EPOCH: 09/13/2025 in txt file.

Historical Predications of SNOs between GOES-16 and NPP