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 03/20/2021 10:39:16 -0.05,-137.20 0.22,-138.30 126.06 80
2 03/21/2021 10:17:52 -0.04,-137.19 -0.82,-133.77 389.69 80
3 03/22/2021 22:39:47 0.04,-137.17 -0.40,-139.07 216.19 80
4 03/23/2021 22:23:43 0.03,-137.16 0.64,-134.54 299.22 80
5 03/25/2021 10:45:29 -0.02,-137.15 0.60,-139.80 302.82 80
6 03/26/2021 10:24:04 -0.02,-137.13 -0.44,-135.27 212.19 80
7 03/27/2021 22:46:00 0.02,-137.10 -0.77,-140.56 394.89 80
8 03/28/2021 22:29:55 0.02,-137.09 0.27,-136.04 119.78 80
9 03/30/2021 10:51:43 -0.02,-137.06 0.90,-141.31 483.37 80
10 03/31/2021 10:30:17 -0.02,-137.04 -0.08,-136.77 30.71 80
11 04/02/2021 22:33:28 0.02,-136.97 -0.09,-137.54 64.33 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 3/20/2021
SNOs_Map_GOES-17_NPP_20210320.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