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: 5/21/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 05/22/2025 20:25:12 -0.00,-104.42 0.03,-104.37 6.61 80
2 05/25/2025 08:28:17 0.00,-104.41 0.16,-105.11 79.97 80
3 05/26/2025 08:06:53 0.00,-104.40 -0.87,-100.58 435.96 80
4 05/27/2025 20:28:51 0.00,-104.42 -0.33,-105.88 166.96 80
5 05/28/2025 20:12:47 0.01,-104.42 0.70,-101.36 349.24 80
6 05/30/2025 08:34:36 -0.01,-104.40 0.46,-106.63 253.19 80
7 05/31/2025 08:13:12 -0.02,-104.40 -0.51,-102.09 262.83 80
8 06/01/2025 20:35:09 0.02,-104.41 -0.67,-107.39 340.13 80
9 06/02/2025 20:19:06 0.02,-104.42 0.37,-102.87 176.80 80
10 06/04/2025 08:40:55 -0.02,-104.42 0.80,-108.14 423.83 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 5/21/2025
SNOs_Map_GOES-17_NPP_20250522.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 05/21/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP