Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 1 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 01/17/2021   17:48:21   (   0.15,-128.00) (  -0.75,-123.90)  467.29                80
 01/19/2021   06:04:43   (  -0.11,-127.95) (  -0.24,-128.50)   63.21                80
 01/21/2021   18:02:55   (   0.09,-127.91) (   0.14,-128.06)   18.31                80
 01/24/2021   06:03:58   (  -0.07,-127.82) (  -0.03,-127.68)   16.34                80
 01/26/2021   18:02:10   (   0.06,-127.76) (  -0.06,-127.24)   59.60                80
 01/28/2021   06:18:31   (  -0.02,-127.68) (  -0.97,-131.83)  474.02                80
 01/29/2021   06:00:31   (  -0.05,-127.64) (   0.13,-126.84)   92.06                80
 01/30/2021   18:16:43   (   0.01,-127.62) (   0.88,-131.39)  431.33                80