Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2019 12 18.  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)
 12/20/2019   06:09:49   (   0.11,-128.02) (  -0.18,-129.42)  159.46                80
 12/21/2019   05:46:18   (   0.12,-128.05) (   0.91,-124.37)  418.33                80
 12/22/2019   18:07:31   (  -0.11,-128.06) (   0.09,-128.85)   90.46                80
 12/23/2019   17:44:00   (  -0.12,-128.09) (  -1.07,-123.82)  487.28                80
 12/25/2019   06:05:24   (   0.10,-128.17) (   0.05,-128.34)   19.90                80
 12/27/2019   18:00:27   (  -0.09,-128.20) (  -0.21,-127.78)   47.74                80
 12/29/2019   06:21:50   (   0.08,-128.27) (  -0.81,-132.30)  459.59                80
 12/30/2019   05:58:19   (   0.08,-128.29) (   0.34,-127.27)  117.47                80
 12/31/2019   18:19:32   (  -0.07,-128.29) (   0.71,-131.74)  392.83                80
 01/01/2020   17:56:01   (  -0.08,-128.32) (  -0.44,-126.70)  184.27                80