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: 3/18/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 03/19/2025 20:23:56 0.04,-104.42 0.10,-104.25 20.00 80
2 03/22/2025 08:26:54 -0.04,-104.38 0.11,-104.95 65.97 80
3 03/23/2025 08:05:28 -0.04,-104.37 -0.90,-100.41 451.15 80
4 03/24/2025 20:27:22 0.03,-104.40 -0.25,-105.71 148.18 80
5 03/25/2025 20:11:16 0.02,-104.40 0.76,-101.17 369.19 80
6 03/27/2025 08:33:00 -0.01,-104.37 0.43,-106.41 233.21 80
7 03/28/2025 08:11:33 -0.02,-104.36 -0.59,-101.88 284.03 80
8 03/29/2025 20:33:27 0.02,-104.39 -0.60,-107.16 315.44 80
9 03/30/2025 20:17:20 0.02,-104.39 0.43,-102.62 201.91 80
10 04/01/2025 08:39:05 -0.02,-104.36 0.75,-107.87 400.39 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 3/18/2025
SNOs_Map_GOES-17_NPP_20250319.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 03/18/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP