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: 5/24/2021
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 05/25/2021 10:01:17 0.07,-128.39 0.17,-128.78 44.10 80
2 05/26/2021 09:39:53 0.07,-128.41 -0.87,-124.25 473.40 80
3 05/27/2021 22:01:50 -0.07,-128.36 -0.33,-129.56 136.50 80
4 05/28/2021 21:45:46 -0.07,-128.37 0.65,-125.02 381.26 80
5 05/30/2021 10:07:35 0.07,-128.46 0.50,-130.30 209.85 80
6 05/31/2021 09:46:12 0.07,-128.47 -0.54,-125.78 307.32 80
7 06/01/2021 22:08:09 -0.07,-128.41 -0.65,-131.08 303.82 80
8 06/02/2021 21:52:05 -0.07,-128.43 0.34,-126.55 213.90 80
9 06/04/2021 10:13:54 0.07,-128.52 0.82,-131.83 376.43 80
10 06/05/2021 09:52:30 0.08,-128.53 -0.22,-127.30 140.65 80
11 06/06/2021 22:14:27 -0.07,-128.46 -1.02,-132.60 471.84 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 5/24/2021
SNOs_Map_GOES-15_NPP_20210524.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 05/24/2021 in txt file.

Historical Predications of SNOs between GOES-15 and NPP