Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 12 11.  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)
 12/12/2021   04:26:53   (   0.20,-127.84) (   0.04,-128.52)   77.25                80
 12/14/2021   16:13:16   (  -0.19,-127.79) (  -0.77,-125.11)  304.88                80
 12/15/2021   04:31:36   (   0.19,-127.74) (  -0.05,-128.88)  129.35                80
 12/17/2021   16:15:11   (  -0.18,-127.67) (  -0.65,-125.42)  255.70                80
 12/18/2021   04:33:40   (   0.18,-127.62) (  -0.18,-129.23)  182.88                80
 12/20/2021   16:17:06   (  -0.17,-127.55) (  -0.58,-125.74)  205.53                80
 12/21/2021   04:35:43   (   0.16,-127.49) (  -0.32,-129.58)  237.90                80
 12/23/2021   16:18:58   (  -0.15,-127.41) (  -0.43,-126.04)  154.59                80
 12/24/2021   04:37:48   (   0.15,-127.35) (  -0.41,-129.94)  293.96                80