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: 8/11/2021
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 08/11/2021 21:40:29 0.18,-128.08 1.17,-123.70 499.00 80
2 08/13/2021 09:59:38 -0.20,-128.20 -0.03,-128.98 88.86 80
3 08/14/2021 09:43:33 -0.19,-128.21 -1.02,-124.44 429.32 80
4 08/15/2021 22:02:51 0.22,-128.14 -0.17,-129.75 184.08 80
5 08/16/2021 21:46:47 0.21,-128.15 0.88,-125.23 333.39 80
6 08/18/2021 10:05:56 -0.23,-128.25 0.25,-130.51 256.34 80
7 08/19/2021 09:49:52 -0.23,-128.26 -0.74,-125.97 260.93 80
8 08/20/2021 22:09:09 0.25,-128.18 -0.45,-131.28 353.05 80
9 08/21/2021 21:53:05 0.24,-128.19 0.54,-126.74 164.02 80
10 08/23/2021 10:12:14 -0.26,-128.29 0.59,-132.03 426.28 80
11 08/24/2021 09:56:10 -0.25,-128.30 -0.40,-127.49 91.12 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 8/11/2021
SNOs_Map_GOES-15_NPP_20210811.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 08/11/2021 in txt file.

Historical Predications of SNOs between GOES-15 and NPP