Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2019 12 23.  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)
 12/25/2019   06:05:24   (   0.10,-128.16) (   0.06,-128.34)   20.30                80
 12/27/2019   18:00:26   (  -0.09,-128.18) (  -0.16,-127.77)   46.60                80
 12/29/2019   06:21:50   (   0.08,-128.26) (  -0.80,-132.30)  460.75                80
 12/30/2019   05:58:18   (   0.08,-128.28) (   0.29,-127.25)  116.19                80
 12/31/2019   18:19:32   (  -0.07,-128.27) (   0.69,-131.74)  394.54                80
 01/01/2020   17:56:01   (  -0.07,-128.30) (  -0.46,-126.70)  182.39                80
 01/03/2020   06:17:25   (   0.06,-128.36) (  -0.57,-131.22)  325.37                80
 01/04/2020   05:53:54   (   0.07,-128.38) (   0.58,-126.18)  251.15                80
 01/05/2020   18:15:06   (  -0.06,-128.37) (   0.46,-130.66)  260.49                80
 01/06/2020   17:51:36   (  -0.06,-128.39) (  -0.69,-125.62)  315.71                80