Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-14 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/25/2025
Index Date Time (GOES-14) GOES-14 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/25/2025 20:26:04 0.71,-107.96 1.48,-104.60 383.91 80
2 07/27/2025 08:45:12 -0.76,-107.92 -0.33,-109.87 221.89 80
3 07/28/2025 08:29:07 -0.73,-107.91 -1.30,-105.32 294.24 80
4 07/29/2025 20:48:24 0.78,-107.92 0.16,-110.63 309.42 80
5 07/30/2025 20:32:20 0.76,-107.91 1.18,-106.10 207.05 80
6 08/01/2025 08:51:28 -0.81,-107.88 -0.05,-111.37 397.72 80
7 08/02/2025 08:35:22 -0.79,-107.87 -1.02,-106.83 118.14 80
8 08/03/2025 20:54:40 0.83,-107.87 -0.12,-112.14 486.69 80
9 08/04/2025 20:38:34 0.82,-107.86 0.85,-107.60 29.43 80
10 08/07/2025 08:38:57 -0.84,-107.81 -0.70,-108.33 59.55 80
11 08/08/2025 08:22:53 -0.83,-107.80 -1.73,-103.80 455.97 80

Figure of GOES-14 and NPP satellite orbits during SNOs since TLE Epoch: 7/25/2025
SNOs_Map_GOES-14_NPP_20250726.jpg

Download SNOs between GOES-14 and NPP since TLE EPOCH: 07/25/2025 in txt file.

Historical Predications of SNOs between GOES-14 and NPP