Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2020 1 19.  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)
 01/19/2020   05:09:08   (   0.03,-128.44) (   0.81,-124.83)  410.39                80
 01/20/2020   17:30:41   (  -0.03,-128.42) (   0.19,-129.43)  115.17                80
 01/21/2020   17:07:21   (  -0.03,-128.41) (  -0.91,-124.45)  451.81                80
 01/23/2020   05:29:01   (   0.02,-128.43) (  -0.12,-129.07)   73.44                80
 01/24/2020   05:05:42   (   0.03,-128.42) (   0.98,-124.09)  493.46                80
 01/25/2020   17:27:14   (  -0.02,-128.39) (   0.02,-128.68)   32.72                80
 01/28/2020   05:25:34   (   0.01,-128.39) (  -0.01,-128.31)    9.31                80
 01/30/2020   17:21:07   (   0.00,-128.35) (  -0.09,-127.92)   48.95                80
 02/01/2020   05:42:47   (  -0.00,-128.36) (  -0.93,-132.55)  477.38                80