Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 12 9.  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)
 12/11/2021   16:11:21   (  -0.20,-127.89) (  -0.89,-124.79)  353.24                80
 12/12/2021   04:29:33   (   0.20,-127.85) (   0.04,-128.52)   76.96                80
 12/14/2021   16:13:16   (  -0.19,-127.79) (  -0.77,-125.11)  305.13                80
 12/15/2021   04:31:36   (   0.19,-127.75) (  -0.05,-128.88)  128.70                80
 12/17/2021   16:15:11   (  -0.18,-127.68) (  -0.66,-125.42)  256.32                80
 12/18/2021   04:33:40   (   0.18,-127.63) (  -0.16,-129.23)  181.84                80
 12/20/2021   16:17:05   (  -0.17,-127.55) (  -0.54,-125.73)  206.57                80
 12/21/2021   04:35:43   (   0.16,-127.51) (  -0.30,-129.58)  236.43                80
 12/23/2021   16:18:58   (  -0.15,-127.42) (  -0.46,-126.05)  156.04                80