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)
 01/19/2021   06:04:43   (  -0.11,-127.95) (  -0.24,-128.50)   63.34                80
 01/21/2021   18:02:55   (   0.09,-127.91) (   0.14,-128.06)   18.46                80
 01/24/2021   06:03:58   (  -0.07,-127.81) (  -0.03,-127.68)   16.01                80
 01/26/2021   18:02:10   (   0.06,-127.76) (  -0.06,-127.24)   59.24                80
 01/28/2021   06:18:31   (  -0.02,-127.67) (  -0.97,-131.83)  474.51                80
 01/29/2021   06:00:31   (  -0.05,-127.64) (   0.12,-126.84)   91.53                80
 01/30/2021   18:16:44   (   0.01,-127.61) (   0.83,-131.41)  431.84                80
 01/31/2021   17:58:43   (   0.04,-127.57) (  -0.21,-126.40)  133.73                80