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: 12/21/2017
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 12/22/2017 10:37:19 -0.04,-135.39 0.61,-138.32 333.54 80
2 12/23/2017 10:21:13 -0.03,-135.38 -0.38,-133.78 181.78 80
3 12/24/2017 22:40:29 0.05,-135.28 -0.82,-139.08 433.06 80
4 12/25/2017 22:24:23 0.04,-135.27 0.17,-134.54 81.86 80
5 12/28/2017 10:27:26 -0.04,-135.29 -0.05,-135.29 1.30 80
6 12/30/2017 22:27:56 0.04,-135.16 -0.14,-136.05 101.53 80
7 12/31/2017 22:11:50 0.03,-135.13 0.85,-131.52 412.17 80
8 01/02/2018 10:30:58 -0.04,-135.15 0.32,-136.79 185.90 80
9 01/03/2018 10:14:52 -0.03,-135.12 -0.68,-132.25 327.53 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 12/21/2017
SNOs_Map_GOES-15_NPP_20171222.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 12/21/2017 in txt file.

Historical Predictions of SNOs between GOES-15 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service