Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 1 16.  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)
 01/16/2021   04:58:41   (  -0.23,-128.03) (  -0.52,-129.40)  156.47                80
 01/17/2021   04:40:41   (  -0.25,-128.01) (   0.52,-124.41)  409.02                80
 01/18/2021   16:56:53   (   0.22,-127.97) (   0.47,-129.02)  119.22                80
 01/19/2021   16:38:53   (   0.25,-127.95) (  -0.64,-124.04)  445.77                80
 01/21/2021   04:55:14   (  -0.21,-127.91) (  -0.40,-128.67)   87.25                80
 01/22/2021   04:37:14   (  -0.23,-127.89) (   0.70,-123.70)  477.79                80
 01/23/2021   16:53:27   (   0.20,-127.85) (   0.29,-128.30)   51.12                80
 01/26/2021   04:51:47   (  -0.19,-127.76) (  -0.21,-127.96)   21.55                80
 01/28/2021   16:52:39   (   0.18,-127.69) (   0.16,-127.57)   13.01                80