Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 12/22/2019
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 12/23/2019 10:30:36 0.02,-137.20 -0.09,-136.79 47.92 80
2 12/25/2019 22:36:26 -0.03,-137.19 -0.10,-137.55 41.60 80
3 12/26/2019 22:15:00 -0.02,-137.18 0.90,-133.02 473.82 80
4 12/28/2019 10:39:26 0.03,-137.16 0.29,-138.28 128.37 80
5 12/29/2019 10:18:01 0.02,-137.14 -0.71,-133.74 386.79 80
6 12/30/2019 22:42:36 -0.03,-137.12 -0.47,-139.04 219.22 80
7 12/31/2019 22:21:11 -0.02,-137.11 0.53,-134.51 295.80 80
8 01/02/2020 10:45:38 0.03,-137.09 0.61,-139.79 306.95 80
9 01/03/2020 10:24:13 0.02,-137.07 -0.40,-135.25 207.76 80
10 01/04/2020 22:48:47 -0.04,-137.04 -0.84,-140.54 399.03 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 12/22/2019
SNOs_Map_GOES-17_NPP_20191223.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 12/22/2019 in txt file.

Historical Predictions of SNOs between GOES-17 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service