Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 1 22.  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)
 01/22/2021   04:37:14   (  -0.23,-127.88) (   0.66,-123.69)  476.72                80
 01/23/2021   16:53:26   (   0.20,-127.84) (   0.33,-128.29)   51.84                80
 01/26/2021   04:51:47   (  -0.19,-127.75) (  -0.25,-127.95)   23.39                80
 01/28/2021   16:52:39   (   0.18,-127.67) (   0.14,-127.58)   11.54                80
 01/31/2021   04:50:59   (  -0.17,-127.56) (  -0.12,-127.22)   38.04                80
 02/01/2021   17:07:13   (   0.13,-127.52) (   1.05,-131.84)  491.27                80
 02/02/2021   16:49:12   (   0.16,-127.48) (   0.01,-126.85)   71.86                80
 02/04/2021   05:05:32   (  -0.12,-127.39) (  -1.03,-131.48)  466.55                80