Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2018 1 2.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 01/02/2018   18:21:29   (  -0.06,-135.11) (  -0.63,-132.60)  285.98                80
 01/04/2018   06:40:30   (   0.05,-135.11) (  -0.42,-137.19)  237.25                80
 01/05/2018   06:17:10   (   0.05,-135.08) (   0.69,-132.20)  328.40                80
 01/06/2018   18:36:01   (  -0.04,-134.99) (   0.34,-136.75)  201.16                80
 01/07/2018   18:18:02   (  -0.04,-134.96) (  -0.76,-131.76)  364.74                80
 01/09/2018   06:37:02   (   0.03,-134.96) (  -0.27,-136.35)  158.55                80
 01/10/2018   06:13:43   (   0.04,-134.93) (   0.84,-131.36)  406.73                80
 01/11/2018   18:32:34   (  -0.03,-134.82) (   0.20,-135.91)  124.02                80
 01/12/2018   18:14:35   (  -0.04,-134.79) (  -0.91,-130.92)  441.26                80
 01/14/2018   06:33:35   (   0.03,-134.78) (  -0.12,-135.51)   82.76                80
 01/15/2018   06:10:15   (   0.03,-134.74) (   1.00,-130.52)  481.87                80