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: 3/29/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 03/29/2025 20:35:11 0.02,-104.42 0.00,-107.35 326.06 0
2 03/30/2025 20:17:38 0.02,-104.42 0.42,-102.69 197.26 80
3 04/01/2025 08:39:28 -0.02,-104.39 0.80,-107.96 407.45 80
4 04/02/2025 08:18:06 -0.03,-104.39 -0.21,-103.44 108.13 80
5 04/03/2025 20:40:06 0.02,-104.42 -0.95,-108.76 494.20 80
6 04/04/2025 20:24:04 0.02,-104.43 0.07,-104.24 21.69 80
7 04/07/2025 08:27:11 -0.01,-104.40 0.14,-104.98 66.15 80
8 04/08/2025 08:05:48 -0.01,-104.40 -0.89,-100.46 450.09 80
9 04/09/2025 20:27:47 0.00,-104.44 -0.30,-105.77 151.19 80
10 04/10/2025 20:11:45 0.01,-104.45 0.75,-101.25 365.44 80
11 04/12/2025 08:33:34 -0.01,-104.43 0.46,-106.51 237.36 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 3/29/2025
SNOs_Map_GOES-17_NPP_20250330.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 03/29/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP