Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2019 12 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 12/29/2019   06:21:49   (   0.08,-128.25) (  -0.82,-132.30)  461.40                80
 12/30/2019   05:58:19   (   0.08,-128.27) (   0.33,-127.26)  115.32                80
 12/31/2019   18:19:31   (  -0.07,-128.26) (   0.71,-131.74)  395.87                80
 01/01/2020   17:56:01   (  -0.07,-128.28) (  -0.45,-126.70)  180.82                80
 01/03/2020   06:17:24   (   0.06,-128.35) (  -0.58,-131.22)  327.18                80
 01/04/2020   05:53:54   (   0.07,-128.36) (   0.57,-126.18)  249.11                80
 01/05/2020   18:15:06   (  -0.06,-128.35) (   0.46,-130.65)  262.97                80
 01/06/2020   17:51:35   (  -0.06,-128.36) (  -0.69,-125.62)  312.99                80
 01/08/2020   06:12:59   (   0.05,-128.42) (  -0.34,-130.14)  196.24                80
 01/09/2020   05:49:28   (   0.06,-128.42) (   0.81,-125.10)  379.16                80
 01/10/2020   18:10:41   (  -0.05,-128.39) (   0.22,-129.57)  134.49                80