Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/13/2021
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 04/14/2021 22:07:50 0.00,-128.03 -0.70,-131.03 342.78 80
2 04/15/2021 21:51:45 0.01,-128.00 0.35,-126.50 170.80 80
3 04/17/2021 10:13:32 0.00,-127.95 0.86,-131.76 433.85 80
4 04/18/2021 09:52:06 -0.00,-127.92 -0.13,-127.22 78.61 80
5 04/20/2021 21:55:17 -0.00,-127.82 -0.03,-127.99 19.11 80
6 04/21/2021 21:39:12 0.00,-127.79 0.97,-123.45 493.72 80
7 04/23/2021 10:00:58 0.01,-127.74 0.24,-128.71 111.49 80
8 04/24/2021 09:39:32 0.00,-127.69 -0.75,-124.17 400.32 80
9 04/25/2021 22:01:28 -0.01,-127.62 -0.45,-129.47 211.73 80
10 04/26/2021 21:45:23 -0.01,-127.58 0.60,-124.95 300.49 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 4/13/2021
SNOs_Map_GOES-15_NPP_20210414.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 04/13/2021 in txt file.

Historical Predications of SNOs between GOES-15 and NPP