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: 9/21/2021
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/22/2021 10:50:24 0.03,-137.21 0.97,-141.46 484.62 80
2 09/23/2021 10:34:19 0.03,-137.21 -0.03,-136.93 31.69 80
3 09/25/2021 22:34:52 -0.03,-137.19 -0.13,-137.70 58.12 80
4 09/26/2021 22:18:48 -0.03,-137.18 0.87,-133.17 457.57 80
5 09/28/2021 10:37:56 0.03,-137.18 0.30,-138.44 143.87 80
6 09/29/2021 10:21:51 0.02,-137.17 -0.71,-133.91 371.22 80
7 09/30/2021 22:41:08 -0.01,-137.14 -0.51,-139.21 236.35 80
8 10/01/2021 22:25:04 -0.01,-137.12 0.56,-134.69 278.43 80
9 10/03/2021 10:44:13 0.00,-137.11 0.62,-139.96 324.17 80
10 10/04/2021 10:28:08 0.00,-137.09 -0.39,-135.42 190.34 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/21/2021
SNOs_Map_GOES-17_NPP_20210921.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 09/21/2021 in txt file.

Historical Predications of SNOs between GOES-17 and NPP