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: 11/21/2019
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 11/22/2019 10:11:38 0.04,-128.50 0.77,-131.88 384.96 80
2 11/23/2019 09:55:33 0.06,-128.49 -0.22,-127.34 130.99 80
3 11/24/2019 22:14:48 -0.03,-128.44 -0.99,-132.64 479.43 80
4 11/25/2019 21:58:43 -0.05,-128.43 0.01,-128.11 36.31 80
5 11/28/2019 09:59:05 0.04,-128.43 0.15,-128.84 47.36 80
6 11/29/2019 09:42:59 0.05,-128.42 -0.85,-124.31 467.83 80
7 11/30/2019 22:02:15 -0.03,-128.36 -0.30,-129.62 143.67 80
8 12/01/2019 21:46:10 -0.04,-128.34 0.70,-125.08 371.41 80
9 12/03/2019 10:05:17 0.02,-128.35 0.45,-130.36 228.24 80
10 12/04/2019 09:49:12 0.03,-128.34 -0.55,-125.82 286.65 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 11/21/2019
SNOs_Map_GOES-15_NPP_20191121.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 11/21/2019 in txt file.

Historical Predictions of SNOs between GOES-15 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service