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: 8/18/2021
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 08/18/2021 10:05:56 -0.24,-128.26 0.26,-130.50 254.98 80
2 08/19/2021 09:49:52 -0.23,-128.27 -0.74,-125.97 262.44 80
3 08/20/2021 22:09:09 0.25,-128.19 -0.45,-131.27 351.54 80
4 08/21/2021 21:53:06 0.25,-128.20 0.60,-126.75 165.75 80
5 08/23/2021 10:12:14 -0.26,-128.31 0.59,-132.02 423.93 80
6 08/24/2021 09:56:10 -0.25,-128.32 -0.46,-127.50 93.63 80
7 08/26/2021 21:59:23 0.26,-128.25 0.27,-128.27 3.03 80
8 08/29/2021 09:59:48 -0.27,-128.35 -0.14,-129.02 76.36 80
9 08/30/2021 09:43:44 -0.27,-128.35 -1.13,-124.49 440.40 80
10 08/31/2021 22:03:01 0.29,-128.26 -0.05,-129.79 174.15 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 8/18/2021
SNOs_Map_GOES-15_NPP_20210818.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 08/18/2021 in txt file.

Historical Predications of SNOs between GOES-15 and NPP