Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2020 1 20.  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)
 01/21/2020   17:07:21   (  -0.03,-128.41) (  -0.92,-124.45)  451.59                80
 01/23/2020   05:29:02   (   0.02,-128.42) (  -0.11,-129.07)   73.72                80
 01/24/2020   05:05:42   (   0.03,-128.42) (   0.99,-124.09)  493.12                80
 01/25/2020   17:27:13   (  -0.02,-128.38) (   0.07,-128.67)   33.23                80
 01/28/2020   05:25:34   (   0.00,-128.39) (   0.01,-128.31)    8.09                80
 01/30/2020   17:21:07   (   0.00,-128.34) (  -0.11,-127.93)   48.00                80
 02/01/2020   05:40:07   (  -0.01,-128.35) (  -0.91,-132.55)  478.49                80
 02/02/2020   05:19:28   (  -0.00,-128.33) (   0.19,-127.57)   87.68                80
 02/03/2020   17:40:59   (   0.00,-128.29) (   0.87,-132.15)  439.96                80