Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2019 1 17.  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)
 01/17/2019   17:47:29   (  -0.05,-128.08) (   0.13,-128.98)  101.22                80
 01/18/2019   17:29:26   (  -0.05,-128.05) (  -0.96,-123.97)  464.64                80
 01/20/2019   05:48:21   (   0.04,-128.04) (  -0.10,-128.56)   60.80                80
 01/22/2019   17:43:47   (  -0.03,-127.89) (   0.00,-128.13)   26.65                80
 01/25/2019   05:42:00   (   0.02,-127.84) (   0.04,-127.72)   13.72                80
 01/27/2019   17:42:46   (  -0.02,-127.69) (  -0.14,-127.29)   46.46                80
 01/29/2019   06:01:41   (   0.01,-127.68) (  -0.91,-131.88)  477.87                80
 01/30/2019   05:38:19   (   0.02,-127.63) (   0.18,-126.88)   86.24                80