Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2019 12 23.  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)
 12/25/2019   05:29:00   (   0.11,-128.16) (   0.04,-128.59)   48.25                80
 12/27/2019   17:27:12   (  -0.10,-128.19) (  -0.08,-128.18)    2.23                80
 12/30/2019   05:22:54   (   0.09,-128.28) (   0.18,-127.83)   50.25                80
 12/31/2019   17:44:26   (  -0.08,-128.27) (   0.81,-132.43)  472.52                80
 01/01/2020   17:21:06   (  -0.09,-128.30) (  -0.28,-127.44)   97.29                80
 01/03/2020   05:42:47   (   0.07,-128.36) (  -0.77,-132.06)  422.17                80
 01/04/2020   05:19:28   (   0.08,-128.38) (   0.39,-127.09)  147.24                80
 01/05/2020   17:40:59   (  -0.07,-128.37) (   0.67,-131.68)  376.55                80
 01/06/2020   17:17:40   (  -0.08,-128.39) (  -0.43,-126.69)  192.59                80