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: 3/20/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 03/22/2025 08:26:54 -0.04,-104.38 0.12,-104.95 65.93 80
2 03/23/2025 08:05:28 -0.04,-104.38 -0.90,-100.41 451.26 80
3 03/24/2025 20:27:22 0.03,-104.41 -0.25,-105.71 147.76 80
4 03/25/2025 20:11:15 0.02,-104.41 0.76,-101.17 369.67 80
5 03/27/2025 08:33:00 -0.01,-104.37 0.43,-106.41 232.86 80
6 03/28/2025 08:11:33 -0.02,-104.37 -0.59,-101.88 284.45 80
7 03/29/2025 20:33:27 0.02,-104.40 -0.60,-107.16 314.72 80
8 03/30/2025 20:17:20 0.02,-104.40 0.44,-102.62 202.69 80
9 04/01/2025 08:39:03 -0.02,-104.36 0.79,-107.86 399.74 80
10 04/02/2025 08:17:37 -0.02,-104.36 -0.25,-103.33 117.32 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 3/20/2025
SNOs_Map_GOES-17_NPP_20250321.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 03/20/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NPP