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: 1/16/2021
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 01/16/2021 10:17:58 -0.01,-137.21 -0.79,-133.78 391.18 80
2 01/17/2021 22:39:55 0.01,-137.21 -0.41,-139.08 213.36 80
3 01/18/2021 22:23:50 0.01,-137.21 0.61,-134.55 302.72 80
4 01/20/2021 10:45:37 -0.01,-137.20 0.60,-139.82 298.98 80
5 01/21/2021 10:24:13 -0.01,-137.19 -0.42,-135.29 216.66 80
6 01/22/2021 22:46:09 0.01,-137.18 -0.77,-140.59 389.09 80
7 01/23/2021 22:30:05 0.02,-137.17 0.25,-136.06 126.10 80
8 01/25/2021 10:51:53 -0.02,-137.15 0.90,-141.34 477.05 80
9 01/26/2021 10:30:29 -0.02,-137.14 -0.12,-136.81 37.61 80
10 01/28/2021 22:33:39 0.03,-137.09 -0.10,-137.57 55.56 80
11 01/29/2021 22:17:35 0.03,-137.07 0.93,-133.05 458.65 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 1/16/2021
SNOs_Map_GOES-17_NPP_20210116.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 01/16/2021 in txt file.

Historical Predications of SNOs between GOES-17 and NPP