Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2020 1 10.  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)
 01/11/2020   17:47:09   (  -0.05,-128.40) (  -0.92,-124.53)  441.42                80
 01/13/2020   06:08:32   (   0.03,-128.43) (  -0.11,-129.05)   70.67                80
 01/15/2020   18:06:14   (  -0.03,-128.41) (  -0.02,-128.48)    7.97                80
 01/18/2020   06:01:27   (   0.02,-128.44) (   0.15,-127.97)   54.24                80
 01/19/2020   18:22:39   (  -0.02,-128.41) (   0.88,-132.44)  458.98                80
 01/20/2020   17:59:09   (  -0.02,-128.41) (  -0.27,-127.40)  115.31                80
 01/22/2020   06:20:32   (   0.02,-128.43) (  -0.75,-131.93)  398.08                80
 01/23/2020   05:57:01   (   0.02,-128.42) (   0.35,-126.88)  175.98                80