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: 10/23/2019
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/23/2019 22:18:14 -0.00,-137.21 0.92,-133.07 471.75 80
2 10/25/2019 10:40:02 0.00,-137.20 0.26,-138.34 129.44 80
3 10/26/2019 10:18:37 0.00,-137.20 -0.78,-133.81 386.75 80
4 10/27/2019 22:40:32 -0.00,-137.20 -0.43,-139.11 218.12 80
5 10/28/2019 22:24:27 -0.00,-137.20 0.55,-134.58 297.79 80
6 10/30/2019 10:46:14 0.00,-137.18 0.63,-139.85 304.34 80
7 10/31/2019 10:24:50 0.00,-137.17 -0.42,-135.32 211.08 80
8 11/01/2019 22:46:45 -0.00,-137.16 -0.79,-140.62 395.09 80
9 11/02/2019 22:30:41 0.00,-137.15 0.26,-136.10 120.06 80
10 11/04/2019 10:52:27 0.00,-137.13 0.98,-141.36 482.87 80
11 11/05/2019 10:31:02 0.00,-137.11 -0.07,-136.83 32.07 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 10/23/2019
SNOs_Map_GOES-17_NPP_20191023.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 10/23/2019 in txt file.

Historical Predictions of SNOs between GOES-17 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service