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: 1/18/2020
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 01/18/2020 10:45:25 0.03,-137.21 0.63,-139.74 288.15 80
2 01/19/2020 10:24:00 0.03,-137.21 -0.44,-135.22 228.44 80
3 01/20/2020 22:48:35 -0.04,-137.21 -0.79,-140.51 375.42 80
4 01/21/2020 22:27:09 -0.04,-137.21 0.23,-135.97 140.83 80
5 01/23/2020 10:51:36 0.05,-137.19 0.96,-141.23 460.53 80
6 01/24/2020 10:30:10 0.05,-137.19 -0.05,-136.70 55.34 80
7 01/26/2020 22:33:20 -0.06,-137.17 -0.10,-137.47 33.77 80
8 01/27/2020 22:14:34 -0.05,-137.16 0.92,-132.94 482.03 80
9 01/29/2020 10:39:01 0.06,-137.14 0.28,-138.20 120.07 80
10 01/30/2020 10:17:35 0.06,-137.13 -0.74,-133.66 395.27 80
11 01/31/2020 22:42:10 -0.06,-137.11 -0.47,-138.96 210.37 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 1/18/2020
SNOs_Map_GOES-17_NPP_20200118.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 01/18/2020 in txt file.

Historical Predictions of SNOs between GOES-17 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service