Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 7 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/22/2019   08:36:48   (  -0.26,-104.66) (   0.55,-108.17)  400.97                80
 07/23/2019   08:20:44   (  -0.24,-104.65) (  -0.46,-103.64)  115.17                80
 07/24/2019   20:40:02   (   0.27,-104.82) (  -0.64,-108.96)  471.40                80
 07/25/2019   20:23:57   (   0.26,-104.82) (   0.37,-104.43)   45.05                80
 07/28/2019   08:24:20   (  -0.28,-104.63) (  -0.17,-105.16)   60.45                80
 07/29/2019   08:08:16   (  -0.27,-104.62) (  -1.18,-100.63)  455.16                80
 07/30/2019   20:27:33   (   0.30,-104.78) (   0.02,-105.94)  132.51                80
 07/31/2019   20:11:29   (   0.29,-104.77) (   1.04,-101.41)  383.42                80
 08/02/2019   08:30:37   (  -0.32,-104.59) (   0.12,-106.68)  237.73                80
 08/03/2019   08:14:31   (  -0.31,-104.58) (  -0.83,-102.14)  277.88                80