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: 1/14/2021
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 01/14/2021 21:55:33 -0.26,-128.08 -0.24,-128.02 7.38 80
2 01/17/2021 10:01:16 0.28,-127.98 0.43,-128.75 87.48 80
3 01/18/2021 09:39:51 0.25,-127.96 -0.59,-124.22 426.12 80
4 01/19/2021 22:04:28 -0.30,-127.98 -0.61,-129.52 175.62 80
5 01/20/2021 21:43:03 -0.27,-127.95 0.41,-125.00 337.73 80
6 01/22/2021 10:07:29 0.32,-127.87 0.86,-130.25 271.55 80
7 01/23/2021 09:46:05 0.30,-127.84 -0.16,-125.72 241.51 80
8 01/24/2021 22:10:41 -0.34,-127.85 -1.04,-131.02 361.18 80
9 01/25/2021 21:49:17 -0.32,-127.82 -0.01,-126.49 151.42 80
10 01/27/2021 10:13:43 0.36,-127.72 1.29,-131.74 459.28 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 1/14/2021
SNOs_Map_GOES-15_NPP_20210114.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 01/14/2021 in txt file.

Historical Predications of SNOs between GOES-15 and NPP