Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 10 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 10/17/2019   18:07:23   (  -0.29,-128.14) (   0.09,-129.81)  190.85                80
 10/18/2019   17:49:23   (  -0.29,-128.16) (  -1.04,-124.82)  381.45                80
 10/20/2019   06:08:23   (   0.29,-128.19) (   0.00,-129.41)  138.83                80
 10/21/2019   05:45:03   (   0.28,-128.21) (   1.14,-124.42)  432.55                80
 10/22/2019   18:03:54   (  -0.28,-128.24) (  -0.12,-128.98)   83.95                80
 10/23/2019   17:45:55   (  -0.28,-128.26) (  -1.25,-123.99)  487.54                80
 10/25/2019   06:04:54   (   0.28,-128.29) (   0.22,-128.58)   33.06                80
 10/27/2019   18:03:06   (  -0.28,-128.33) (  -0.33,-128.15)   20.25                80
 10/29/2019   06:22:05   (   0.29,-128.36) (  -0.70,-132.74)  499.82                80