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: 3/16/2021
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 03/16/2021 10:13:48 -0.10,-128.40 0.65,-131.87 395.01 80
2 03/17/2021 09:52:22 -0.11,-128.40 -0.33,-127.33 121.32 80
3 03/18/2021 22:14:19 0.10,-128.42 -0.83,-132.63 479.75 80
4 03/19/2021 21:58:13 0.10,-128.42 0.15,-128.09 36.95 80
5 03/22/2021 10:01:16 -0.09,-128.39 -0.01,-128.83 50.04 80
6 03/23/2021 09:39:50 -0.10,-128.38 -0.99,-124.30 465.36 80
7 03/24/2021 22:01:47 0.08,-128.39 -0.17,-129.60 137.52 80
8 03/25/2021 21:45:41 0.08,-128.39 0.81,-125.06 378.26 80
9 03/27/2021 10:07:29 -0.07,-128.36 0.37,-130.33 224.84 80
10 03/28/2021 09:46:04 -0.08,-128.34 -0.68,-125.80 289.99 80
11 03/29/2021 22:07:59 0.07,-128.33 -0.54,-131.10 314.81 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 3/16/2021
SNOs_Map_GOES-15_NPP_20210316.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 03/16/2021 in txt file.

Historical Predications of SNOs between GOES-15 and NPP