Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2019 9 17.  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)
 09/17/2019   05:51:20   (   0.23,-128.02) (   0.84,-125.24)  316.64                80
 09/18/2019   18:07:31   (  -0.25,-128.03) (   0.16,-129.80)  202.79                80
 09/19/2019   17:49:31   (  -0.23,-128.00) (  -0.96,-124.81)  363.70                80
 09/21/2019   06:05:52   (   0.26,-127.90) (  -0.07,-129.41)  171.16                80
 09/22/2019   05:47:51   (   0.24,-127.86) (   1.00,-124.40)  394.42                80
 09/23/2019   18:04:03   (  -0.26,-127.85) (   0.00,-128.96)  126.93                80
 09/24/2019   17:46:03   (  -0.24,-127.82) (  -1.12,-123.97)  438.57                80
 09/26/2019   06:02:23   (   0.26,-127.71) (   0.10,-128.57)   97.00                80
 09/27/2019   05:44:23   (   0.25,-127.67) (   1.17,-123.56)  467.92                80
 09/28/2019   18:00:34   (  -0.27,-127.65) (  -0.16,-128.12)   54.55                80