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: 3/23/2023
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 03/23/2023 09:54:54 0.15,-127.89 0.02,-127.22 76.54 80
2 03/25/2023 22:00:50 -0.15,-128.02 -0.13,-128.01 2.55 80
3 03/28/2023 10:03:56 0.15,-128.07 0.30,-128.75 77.30 80
4 03/29/2023 09:42:32 0.16,-128.10 -0.72,-124.22 442.37 80
5 03/30/2023 22:04:31 -0.16,-128.18 -0.45,-129.53 153.72 80
6 03/31/2023 21:48:27 -0.17,-128.21 0.57,-125.00 365.93 80
7 04/02/2023 10:07:36 0.16,-128.22 0.60,-130.27 233.32 80
8 04/03/2023 09:48:52 0.17,-128.25 -0.37,-125.73 286.14 80
9 04/04/2023 22:10:50 -0.16,-128.32 -0.78,-131.04 310.62 80
10 04/05/2023 21:54:47 -0.17,-128.34 0.25,-126.51 208.69 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 3/23/2023
SNOs_Map_GOES-15_NPP_20230323.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 03/23/2023 in txt file.

Historical Predications of SNOs between GOES-15 and NPP