Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2019 1 10.  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)
 01/11/2019   05:32:22   (   0.07,-128.31) (   0.75,-125.26)  347.89                80
 01/12/2019   17:51:09   (  -0.06,-128.23) (   0.30,-129.81)  180.29                80
 01/13/2019   17:33:07   (  -0.06,-128.21) (  -0.79,-124.81)  386.25                80
 01/15/2019   05:52:03   (   0.05,-128.20) (  -0.21,-129.41)  137.67                80
 01/16/2019   05:28:41   (   0.06,-128.17) (   0.88,-124.41)  427.62                80
 01/17/2019   17:47:28   (  -0.05,-128.07) (   0.17,-128.97)  102.71                80
 01/18/2019   17:29:27   (  -0.06,-128.04) (  -0.98,-123.98)  462.88                80
 01/20/2019   05:48:22   (   0.04,-128.03) (  -0.08,-128.57)   61.81                80
 01/22/2019   17:43:47   (  -0.04,-127.87) (   0.04,-128.12)   29.58                80