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: 3/20/2021
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 03/21/2021 10:17:51 -0.05,-137.19 -0.80,-133.77 389.66 80
2 03/22/2021 22:39:48 0.04,-137.18 -0.36,-139.08 216.22 80
3 03/23/2021 22:23:42 0.04,-137.17 0.62,-134.54 299.23 80
4 03/25/2021 10:45:30 -0.03,-137.15 0.56,-139.81 302.69 80
5 03/26/2021 10:24:04 -0.03,-137.13 -0.43,-135.27 212.34 80
6 03/27/2021 22:46:00 0.02,-137.11 -0.73,-140.57 394.74 80
7 03/28/2021 22:29:55 0.03,-137.09 0.25,-136.03 119.96 80
8 03/30/2021 10:51:42 -0.03,-137.06 0.92,-141.30 483.05 80
9 03/31/2021 10:30:18 -0.03,-137.04 -0.12,-136.78 31.22 80
10 04/02/2021 22:33:28 0.03,-136.97 -0.11,-137.53 63.95 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 3/20/2021
SNOs_Map_GOES-17_NPP_20210321.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 03/20/2021 in txt file.

Historical Predications of SNOs between GOES-17 and NPP