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: 12/24/2019
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 12/25/2019 22:36:25 -0.02,-137.19 -0.13,-137.55 41.41 80
2 12/26/2019 22:15:01 -0.02,-137.18 0.93,-133.02 474.28 80
3 12/28/2019 10:39:27 0.02,-137.16 0.26,-138.29 127.72 80
4 12/29/2019 10:18:02 0.02,-137.15 -0.75,-133.75 387.60 80
5 12/30/2019 22:42:37 -0.02,-137.14 -0.44,-139.05 218.17 80
6 12/31/2019 22:21:11 -0.02,-137.12 0.56,-134.52 296.99 80
7 01/02/2020 10:45:38 0.02,-137.10 0.63,-139.78 305.54 80
8 01/03/2020 10:24:12 0.02,-137.08 -0.37,-135.24 209.33 80
9 01/04/2020 22:48:47 -0.03,-137.06 -0.81,-140.55 397.22 80
10 01/05/2020 22:27:22 -0.02,-137.04 0.20,-136.01 117.27 80
11 01/07/2020 10:51:48 0.04,-137.01 1.00,-141.27 486.47 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 12/24/2019
SNOs_Map_GOES-17_NPP_20191225.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 12/24/2019 in txt file.

Historical Predictions of SNOs between GOES-17 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service