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: 3/18/2023
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 03/18/2023 09:48:33 0.15,-127.69 -0.33,-125.70 227.84 80
2 03/19/2023 22:10:31 -0.15,-127.79 -0.86,-131.01 366.36 80
3 03/20/2023 21:54:28 -0.15,-127.83 0.14,-126.48 154.18 80
4 03/22/2023 10:16:18 0.15,-127.86 1.00,-131.76 443.86 80
5 03/23/2023 09:54:55 0.15,-127.90 -0.01,-127.23 76.48 80
6 03/25/2023 21:58:09 -0.15,-128.02 -0.16,-128.00 2.48 80
7 03/28/2023 10:03:55 0.15,-128.07 0.33,-128.74 77.05 80
8 03/29/2023 09:42:32 0.16,-128.10 -0.69,-124.21 442.75 80
9 03/30/2023 22:04:30 -0.16,-128.18 -0.47,-129.52 153.04 80
10 03/31/2023 21:48:27 -0.16,-128.21 0.55,-125.00 366.68 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 3/18/2023
SNOs_Map_GOES-15_NPP_20230318.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 03/18/2023 in txt file.

Historical Predications of SNOs between GOES-15 and NPP