Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2018 10 11.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/11/2018   22:10:29   (  81.34, 138.74) (  81.34, 138.74)    0.07                 1
 10/13/2018   18:09:25   (  81.34,-160.97) (  81.34,-160.97)    0.07                 1
 10/14/2018   09:22:54   (  81.34, -29.35) (  81.34, -29.35)    0.07                 1
 10/15/2018   00:36:23   (  81.34, 102.26) (  81.34, 102.27)    0.07                 1
 10/16/2018   20:35:19   (  81.34, 162.54) (  81.34, 162.54)    0.07                 1
 10/17/2018   11:48:48   (  81.34, -65.85) (  81.34, -65.85)    0.07                 1
 10/18/2018   16:34:15   (  81.34,-137.20) (  81.34,-137.20)    0.07                 1
 10/20/2018   12:33:11   (  81.34, -76.95) (  81.34, -76.95)    0.07                 1
 10/21/2018   17:18:39   (  81.34,-148.32) (  81.34,-148.32)    0.07                 1
 10/22/2018   22:04:06   (  81.34, 140.31) (  81.34, 140.31)    0.07                 1
 10/23/2018   11:36:05   (  81.34, -62.67) (  81.34, -62.66)    0.07                 1
 10/24/2018   16:21:32   (  81.34,-134.04) (  81.34,-134.04)    0.07                 1