Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 1 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 01/09/2018   18:20:08   (  -0.03,-134.88) (  -0.35,-133.37)  171.88                80
 01/11/2018   06:39:06   (   0.02,-134.86) (  -0.66,-137.96)  352.95                80
 01/12/2018   06:15:46   (   0.03,-134.82) (   0.46,-132.97)  211.74                80
 01/13/2018   18:34:35   (  -0.02,-134.72) (   0.61,-137.52)  319.96                80
 01/14/2018   18:16:34   (  -0.03,-134.67) (  -0.51,-132.53)  244.59                80
 01/16/2018   06:35:33   (   0.02,-134.65) (  -0.50,-137.13)  281.18                80
 01/17/2018   06:12:11   (   0.02,-134.61) (   0.56,-132.12)  282.90                80
 01/18/2018   18:31:01   (  -0.02,-134.49) (   0.44,-136.69)  250.01                80
 01/19/2018   18:13:00   (  -0.02,-134.44) (  -0.62,-131.68)  313.99                80
 01/21/2018   06:31:58   (   0.01,-134.41) (  -0.39,-136.28)  212.45                80
 01/22/2018   06:08:37   (   0.01,-134.36) (   0.68,-131.27)  351.08                80