Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 1 14.  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)
 01/14/2021   16:42:20   (   0.26,-128.06) (  -0.46,-124.76)  375.48                80
 01/16/2021   04:58:41   (  -0.23,-128.03) (  -0.52,-129.40)  156.27                80
 01/17/2021   04:40:41   (  -0.25,-128.01) (   0.52,-124.41)  409.34                80
 01/18/2021   16:56:53   (   0.22,-127.98) (   0.46,-129.02)  118.81                80
 01/19/2021   16:38:53   (   0.24,-127.95) (  -0.64,-124.04)  446.29                80
 01/21/2021   04:55:14   (  -0.21,-127.92) (  -0.40,-128.67)   86.44                80
 01/22/2021   04:37:14   (  -0.23,-127.90) (   0.71,-123.70)  478.71                80
 01/23/2021   16:53:27   (   0.20,-127.86) (   0.28,-128.30)   50.13                80
 01/26/2021   04:51:47   (  -0.19,-127.78) (  -0.20,-127.96)   20.24                80