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: 4/13/2021
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 04/13/2021 22:27:09 0.04,-137.20 0.31,-136.01 135.55 80
2 04/15/2021 10:51:36 -0.03,-137.20 0.90,-141.27 464.52 80
3 04/16/2021 10:30:11 -0.03,-137.20 -0.15,-136.75 51.77 80
4 04/18/2021 22:33:22 0.03,-137.18 -0.02,-137.51 37.40 80
5 04/19/2021 22:17:16 0.03,-137.17 0.98,-132.98 478.48 80
6 04/21/2021 10:39:03 -0.02,-137.16 0.23,-138.23 123.14 80
7 04/22/2021 10:17:37 -0.02,-137.14 -0.76,-133.70 392.22 80
8 04/23/2021 22:39:34 0.01,-137.12 -0.39,-139.00 214.10 80
9 04/24/2021 22:23:28 0.01,-137.11 0.61,-134.47 300.98 80
10 04/26/2021 10:45:14 -0.01,-137.08 0.60,-139.73 301.73 80
11 04/27/2021 10:23:50 -0.01,-137.06 -0.46,-135.20 212.80 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 4/13/2021
SNOs_Map_GOES-17_NPP_20210414.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 04/13/2021 in txt file.

Historical Predications of SNOs between GOES-17 and NPP