Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2019 9 18.  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)
 09/19/2019   05:32:34   (   0.21,-127.96) (   0.08,-128.58)   70.29                80
 09/20/2019   05:14:34   (   0.19,-127.93) (   1.14,-123.59)  494.09                80
 09/21/2019   17:30:48   (  -0.22,-127.94) (  -0.15,-128.19)   29.00                80
 09/24/2019   05:31:51   (   0.23,-127.79) (   0.25,-127.83)    5.45                80
 09/26/2019   17:30:04   (  -0.24,-127.74) (  -0.32,-127.44)   34.35                80
 09/29/2019   05:28:26   (   0.25,-127.59) (   0.36,-127.08)   58.23                80
 09/30/2019   17:44:40   (  -0.27,-127.57) (   0.64,-131.67)  467.51                80
 10/01/2019   17:26:40   (  -0.25,-127.53) (  -0.43,-126.68)   95.79                80