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: 7/19/2021
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/20/2021 10:52:30 0.04,-137.21 0.98,-141.40 478.20 80
2 07/21/2021 10:31:07 0.03,-137.20 -0.06,-136.88 37.31 80
3 07/23/2021 22:34:21 -0.02,-137.19 -0.09,-137.66 53.54 80
4 07/24/2021 22:18:16 -0.01,-137.18 0.89,-133.13 461.91 80
5 07/26/2021 10:40:05 0.02,-137.17 0.32,-138.39 139.71 80
6 07/27/2021 10:18:41 0.03,-137.16 -0.72,-133.87 375.68 80
7 07/28/2021 22:40:38 -0.03,-137.15 -0.47,-139.17 230.69 80
8 07/29/2021 22:24:34 -0.03,-137.14 0.52,-134.64 284.51 80
9 07/31/2021 10:46:23 0.02,-137.12 0.63,-139.92 317.92 80
10 08/01/2021 10:24:59 0.02,-137.11 -0.35,-135.38 196.76 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 7/19/2021
SNOs_Map_GOES-17_NPP_20210719.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 07/19/2021 in txt file.

Historical Predications of SNOs between GOES-17 and NPP