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: 2/13/2020
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 02/13/2020 21:58:18 0.36,-128.35 0.41,-128.13 25.52 80
2 02/16/2020 09:58:42 -0.36,-128.38 -0.23,-128.87 56.96 80
3 02/17/2020 09:42:38 -0.35,-128.39 -1.29,-124.35 460.96 80
4 02/18/2020 22:01:55 0.36,-128.43 0.07,-129.65 139.93 80
5 02/19/2020 21:45:50 0.35,-128.44 1.08,-125.12 377.82 80
6 02/21/2020 10:05:00 -0.36,-128.44 0.05,-130.40 223.30 80
7 02/22/2020 09:48:55 -0.35,-128.45 -0.95,-125.87 294.17 80
8 02/23/2020 22:08:11 0.36,-128.48 -0.26,-131.17 307.32 80
9 02/24/2020 21:52:07 0.36,-128.49 0.75,-126.64 210.14 80
10 02/26/2020 10:13:55 -0.36,-128.49 0.43,-131.91 390.94 80
11 02/27/2020 09:52:32 -0.36,-128.49 -0.63,-127.39 126.15 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 2/13/2020
SNOs_Map_GOES-15_NPP_20200214.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 02/13/2020 in txt file.

Historical Predictions of SNOs between GOES-15 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service