Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 12 13.  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)
 12/14/2021   16:13:16   (  -0.19,-127.79) (  -0.77,-125.11)  304.91                80
 12/15/2021   04:31:36   (   0.19,-127.74) (  -0.05,-128.88)  129.74                80
 12/17/2021   16:15:11   (  -0.18,-127.67) (  -0.66,-125.42)  255.46                80
 12/18/2021   04:33:40   (   0.18,-127.62) (  -0.16,-129.23)  183.54                80
 12/20/2021   16:17:05   (  -0.17,-127.54) (  -0.54,-125.73)  205.06                80
 12/21/2021   04:35:43   (   0.16,-127.48) (  -0.30,-129.58)  238.77                80
 12/23/2021   16:18:58   (  -0.15,-127.40) (  -0.46,-126.05)  153.93                80
 12/24/2021   04:37:47   (   0.15,-127.34) (  -0.44,-129.93)  295.06                80
 12/26/2021   16:20:51   (  -0.14,-127.25) (  -0.36,-126.36)  102.26                80
 12/27/2021   04:39:52   (   0.14,-127.19) (  -0.52,-130.29)  352.16                80