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: 9/15/2019
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 09/15/2019 22:30:52 0.02,-137.19 0.27,-136.08 126.17 80
2 09/17/2019 10:52:39 -0.02,-137.20 0.94,-141.34 472.24 80
3 09/18/2019 10:31:15 -0.02,-137.21 -0.09,-136.81 44.66 80
4 09/20/2019 22:34:27 0.02,-137.20 -0.06,-137.59 44.09 80
5 09/21/2019 22:18:22 0.02,-137.19 0.96,-133.06 472.01 80
6 09/23/2019 10:40:10 -0.02,-137.19 0.24,-138.32 128.39 80
7 09/24/2019 10:18:45 -0.02,-137.18 -0.79,-133.79 387.07 80
8 09/25/2019 22:40:41 0.02,-137.16 -0.38,-139.09 219.90 80
9 09/26/2019 22:24:36 0.02,-137.15 0.59,-134.55 295.39 80
10 09/28/2019 10:46:24 -0.02,-137.14 0.56,-139.82 305.95 80
11 09/29/2019 10:27:39 -0.02,-137.12 -0.41,-135.28 209.14 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 9/15/2019
SNOs_Map_GOES-17_NPP_20190916.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 09/15/2019 in txt file.

Historical Predictions of SNOs between GOES-17 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service