Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2020 1 13.  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)
 01/13/2020   05:35:55   (   0.04,-128.43) (  -0.40,-130.58)  244.13                80
 01/14/2020   05:12:35   (   0.05,-128.43) (   0.70,-125.59)  323.82                80
 01/15/2020   17:34:07   (  -0.03,-128.42) (   0.36,-130.18)  200.44                80
 01/16/2020   17:10:47   (  -0.04,-128.42) (  -0.74,-125.19)  367.34                80
 01/18/2020   05:32:28   (   0.03,-128.44) (  -0.30,-129.82)  156.97                80
 01/19/2020   05:09:08   (   0.04,-128.44) (   0.81,-124.83)  410.45                80
 01/20/2020   17:30:40   (  -0.03,-128.42) (   0.19,-129.43)  114.83                80
 01/21/2020   17:07:21   (  -0.04,-128.42) (  -0.91,-124.45)  452.32                80
 01/23/2020   05:29:01   (   0.03,-128.43) (  -0.12,-129.07)   72.83                80
 01/24/2020   05:05:42   (   0.03,-128.43) (   0.98,-124.09)  494.14                80
 01/25/2020   17:27:14   (  -0.02,-128.40) (   0.02,-128.68)   31.87                80