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: 2/16/2021
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 02/16/2021 10:39:23 -0.04,-137.22 0.23,-138.32 126.43 80
2 02/17/2021 10:17:58 -0.04,-137.21 -0.80,-133.80 389.47 80
3 02/18/2021 22:39:54 0.03,-137.20 -0.37,-139.10 215.83 80
4 02/19/2021 22:23:49 0.03,-137.19 0.60,-134.56 299.73 80
5 02/21/2021 10:45:37 -0.02,-137.18 0.55,-139.84 302.64 80
6 02/22/2021 10:24:12 -0.02,-137.16 -0.43,-135.30 212.43 80
7 02/23/2021 22:46:07 -0.00,-137.14 -0.80,-140.59 394.14 80
8 02/24/2021 22:30:03 -0.00,-137.12 0.23,-136.06 120.47 80
9 02/26/2021 10:51:50 0.01,-137.09 0.97,-141.33 483.23 80
10 02/27/2021 10:30:25 0.00,-137.07 -0.06,-136.80 30.88 80
11 03/01/2021 22:33:36 -0.00,-137.01 -0.13,-137.57 63.34 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 2/16/2021
SNOs_Map_GOES-17_NPP_20210216.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 02/16/2021 in txt file.

Historical Predications of SNOs between GOES-17 and NPP