Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 10 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/10/2018   12:20:29   (  81.34, -73.74) (  81.34, -73.74)    0.07                 1
 10/11/2018   00:10:58   (  81.34, 108.62) (  81.34, 108.63)    0.07                 1
 10/12/2018   20:09:53   (  81.34, 168.90) (  81.34, 168.91)    0.07                 1
 10/13/2018   18:09:21   (  81.34,-160.98) (  81.34,-160.98)    0.07                 1
 10/14/2018   04:18:19   (  81.34,  46.79) (  81.34,  46.79)    0.07                 1
 10/16/2018   07:03:13   (  81.34,   5.58) (  81.34,   5.58)    0.07                 1
 10/17/2018   03:21:11   (  81.34,  61.07) (  81.34,  61.07)    0.07                 1
 10/17/2018   13:30:10   (  81.34, -91.19) (  81.34, -91.19)    0.07                 1
 10/18/2018   18:15:36   (  81.34,-162.55) (  81.34,-162.55)    0.07                 1
 10/20/2018   07:28:31   (  81.34,  -0.78) (  81.34,  -0.77)    0.07                 1
 10/21/2018   02:04:59   (  81.34,  80.09) (  81.34,  80.10)    0.07                 1
 10/22/2018   13:36:24   (  81.34, -92.76) (  81.34, -92.75)    0.07                 1