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: 10/15/2021
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/15/2021 10:21:57 0.03,-137.20 -0.71,-133.90 376.81 80
2 10/16/2021 22:41:15 -0.03,-137.19 -0.49,-139.21 229.83 80
3 10/17/2021 22:25:12 -0.03,-137.19 0.56,-134.69 285.89 80
4 10/19/2021 10:44:23 0.02,-137.20 0.61,-139.97 314.93 80
5 10/20/2021 10:28:19 0.03,-137.19 -0.38,-135.43 200.57 80
6 10/21/2021 22:47:38 -0.02,-137.17 -0.82,-140.74 406.67 80
7 10/22/2021 22:31:34 -0.03,-137.16 0.18,-136.21 108.39 80
8 10/24/2021 10:50:44 0.02,-137.16 1.00,-141.49 493.68 80
9 10/25/2021 10:34:41 0.02,-137.15 0.00,-136.96 20.94 80
10 10/27/2021 22:35:17 -0.02,-137.09 -0.13,-137.75 74.00 80
11 10/28/2021 22:19:13 -0.01,-137.08 0.86,-133.22 439.96 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/15/2021
SNOs_Map_GOES-17_NPP_20211015.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 10/15/2021 in txt file.

Historical Predications of SNOs between GOES-17 and NPP