Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2018 11 21.  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)
 11/21/2018   17:32:03   (  -0.26,-128.28) (  -1.23,-124.03)  484.66                80
 11/23/2018   05:51:00   (   0.25,-128.28) (   0.16,-128.62)   39.10                80
 11/25/2018   17:49:05   (  -0.24,-128.36) (  -0.26,-128.18)   20.13                80
 11/28/2018   05:44:40   (   0.23,-128.38) (   0.33,-127.78)   67.88                80
 11/29/2018   18:03:29   (  -0.22,-128.43) (   0.64,-132.35)  447.00                80
 11/30/2018   17:45:26   (  -0.22,-128.45) (  -0.44,-127.35)  124.60                80
 12/02/2018   06:04:23   (   0.21,-128.46) (  -0.56,-131.95)  397.67                80
 12/03/2018   05:41:02   (   0.22,-128.47) (   0.57,-126.96)  172.62                80
 12/04/2018   17:59:49   (  -0.21,-128.50) (   0.46,-131.52)  343.64                80