Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2019 1 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 01/22/2019   17:43:47   (  -0.03,-127.90) (   0.04,-128.12)   25.98                80
 01/25/2019   05:42:00   (   0.02,-127.85) (   0.06,-127.72)   14.06                80
 01/27/2019   17:42:45   (  -0.02,-127.70) (  -0.10,-127.28)   47.75                80
 01/29/2019   06:01:42   (   0.01,-127.69) (  -0.89,-131.88)  476.96                80
 01/30/2019   05:38:19   (   0.02,-127.64) (   0.20,-126.88)   87.32                80
 01/31/2019   17:57:06   (  -0.01,-127.52) (   0.84,-131.44)  445.73                80
 02/01/2019   17:39:04   (  -0.02,-127.48) (  -0.25,-126.44)  118.96                80
 02/03/2019   05:57:59   (   0.01,-127.47) (  -0.80,-131.03)  405.85                80