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: 4/10/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 04/11/2025 18:11:22 0.05, -75.50 1.03, -71.19 492.00 80
2 04/13/2025 06:33:12 -0.05, -75.53 0.14, -76.47 106.50 80
3 04/14/2025 06:11:48 -0.05, -75.54 -0.84, -71.93 410.18 80
4 04/15/2025 18:33:49 0.05, -75.54 -0.31, -77.25 194.59 80
5 04/16/2025 18:17:45 0.05, -75.55 0.67, -72.72 322.49 80
6 04/18/2025 06:39:36 -0.04, -75.58 0.48, -78.00 275.10 80
7 04/19/2025 06:18:12 -0.04, -75.59 -0.50, -73.47 241.96 80
8 04/20/2025 18:40:11 0.03, -75.60 -0.69, -78.78 362.44 80
9 04/21/2025 18:24:09 0.03, -75.61 0.36, -74.26 155.23 80
10 04/23/2025 06:45:58 -0.02, -75.66 0.84, -79.53 440.96 80
11 04/24/2025 06:24:35 -0.03, -75.67 -0.15, -74.99 76.91 80

Figure of GOES-16 and NPP satellite orbits during SNOs since TLE Epoch: 4/10/2025
SNOs_Map_GOES-16_NPP_20250411.jpg

Download SNOs between GOES-16 and NPP since TLE EPOCH: 04/10/2025 in txt file.

Historical Predications of SNOs between GOES-16 and NPP