Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2019 12 20.  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)
 12/21/2019   05:46:18   (   0.12,-128.05) (   0.91,-124.37)  418.32                80
 12/22/2019   18:07:31   (  -0.11,-128.06) (   0.08,-128.85)   90.62                80
 12/23/2019   17:44:00   (  -0.11,-128.09) (  -1.07,-123.82)  487.06                80
 12/25/2019   06:05:24   (   0.10,-128.16) (   0.05,-128.34)   20.06                80
 12/27/2019   18:00:25   (  -0.09,-128.19) (  -0.16,-127.77)   47.41                80
 12/29/2019   06:21:50   (   0.08,-128.26) (  -0.80,-132.30)  459.97                80
 12/30/2019   05:58:18   (   0.08,-128.29) (   0.29,-127.25)  117.08                80
 12/31/2019   18:19:32   (  -0.07,-128.29) (   0.69,-131.74)  393.31                80
 01/01/2020   17:56:01   (  -0.07,-128.31) (  -0.46,-126.70)  183.76                80
 01/03/2020   06:17:24   (   0.06,-128.38) (  -0.57,-131.22)  323.96                80