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: 12/25/2019
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 12/25/2019 22:36:26 -0.02,-137.19 -0.09,-137.55 41.39 80
2 12/26/2019 22:15:00 -0.02,-137.18 0.92,-133.02 474.18 80
3 12/28/2019 10:39:27 0.02,-137.16 0.28,-138.28 127.81 80
4 12/29/2019 10:18:01 0.02,-137.15 -0.73,-133.75 387.46 80
5 12/30/2019 22:42:37 -0.02,-137.13 -0.46,-139.05 218.44 80
6 12/31/2019 22:21:11 -0.02,-137.12 0.55,-134.51 296.67 80
7 01/02/2020 10:45:37 0.03,-137.10 0.65,-139.77 305.87 80
8 01/03/2020 10:24:12 0.02,-137.08 -0.36,-135.24 208.98 80
9 01/04/2020 22:48:47 -0.03,-137.05 -0.82,-140.54 397.71 80
10 01/05/2020 22:27:22 -0.03,-137.03 0.19,-136.01 116.74 80
11 01/07/2020 10:51:48 0.04,-137.00 1.01,-141.27 487.02 80
12 01/08/2020 10:30:23 0.03,-136.97 -0.00,-136.73 26.88 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 12/25/2019
SNOs_Map_GOES-17_NPP_20191226.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 12/25/2019 in txt file.

Historical Predictions of SNOs between GOES-17 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service