Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 5 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/10/2019   08:07:40   (   0.11,-104.39) (  -0.76,-100.48)  445.62                80
 05/11/2019   20:29:37   (  -0.10,-104.43) (  -0.43,-105.78)  154.69                80
 05/12/2019   20:08:14   (  -0.11,-104.43) (   0.62,-101.26)  361.39                80
 05/14/2019   08:30:02   (   0.09,-104.38) (   0.57,-106.53)  245.02                80
 05/15/2019   08:13:57   (   0.10,-104.39) (  -0.42,-102.00)  272.12                80
 05/16/2019   20:35:56   (  -0.08,-104.45) (  -0.70,-107.32)  326.06                80
 05/17/2019   20:14:31   (  -0.09,-104.45) (   0.30,-102.78)  190.20                80
 05/19/2019   08:36:19   (   0.07,-104.39) (   0.90,-108.05)  417.93                80
 05/20/2019   08:20:16   (   0.08,-104.40) (  -0.15,-103.53)   99.28                80
 05/21/2019   20:42:13   (  -0.05,-104.48) (  -1.02,-108.84)  497.25                80
 05/22/2019   20:20:49   (  -0.07,-104.47) (  -0.02,-104.31)   19.16                80