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: 6/22/2021
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 06/22/2021 22:14:40 -0.01,-128.34 -0.99,-132.64 490.18 80
2 06/23/2021 21:58:36 -0.02,-128.33 0.04,-128.11 24.54 80
3 06/26/2021 10:01:42 0.01,-128.37 0.10,-128.86 56.21 80
4 06/27/2021 09:42:58 0.02,-128.35 -0.88,-124.33 458.10 80
5 06/28/2021 22:02:15 -0.01,-128.23 -0.32,-129.63 159.11 80
6 06/29/2021 21:46:11 -0.02,-128.22 0.66,-125.09 355.51 80
7 07/01/2021 10:05:21 0.00,-128.28 0.45,-130.38 239.26 80
8 07/02/2021 09:49:16 0.01,-128.26 -0.52,-125.85 274.96 80
9 07/03/2021 22:08:34 0.00,-128.14 -0.67,-131.15 343.29 80
10 07/04/2021 21:52:29 -0.00,-128.12 0.31,-126.62 170.85 80
11 07/06/2021 10:11:40 -0.02,-128.18 0.80,-131.90 424.42 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 6/22/2021
SNOs_Map_GOES-15_NPP_20210623.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 06/22/2021 in txt file.

Historical Predications of SNOs between GOES-15 and NPP