Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 4 23.  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)
 04/24/2019   06:11:53   (   0.07,-127.85) (  -0.44,-130.22)  269.42                80
 04/25/2019   05:48:34   (   0.08,-127.89) (   0.65,-125.22)  303.09                80
 04/26/2019   18:07:26   (  -0.08,-127.97) (   0.34,-129.79)  208.07                80
 04/27/2019   17:49:28   (  -0.08,-128.00) (  -0.80,-124.80)  364.40                80
 04/29/2019   06:08:29   (   0.09,-128.01) (  -0.22,-129.40)  157.94                80
 04/30/2019   05:45:10   (   0.09,-128.04) (   0.92,-124.41)  414.26                80
 05/01/2019   18:04:02   (  -0.09,-128.12) (   0.13,-128.97)   97.47                80
 05/02/2019   17:46:03   (  -0.09,-128.14) (  -1.02,-123.98)  474.67                80
 05/04/2019   06:05:04   (   0.10,-128.15) (  -0.00,-128.58)   48.28                80
 05/06/2019   18:03:17   (  -0.10,-128.24) (  -0.10,-128.14)   10.52                80