Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 12 9.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 12/09/2021   06:00:36   (   0.18,-127.94) (   0.26,-127.71)   27.72                80
 12/10/2021   18:22:08   (  -0.16,-127.92) (   0.78,-132.26)  494.53                80
 12/11/2021   17:58:49   (  -0.17,-127.89) (  -0.32,-127.27)   71.14                80
 12/13/2021   06:20:28   (   0.16,-127.82) (  -0.73,-131.85)  459.61                80
 12/14/2021   05:57:09   (   0.16,-127.78) (   0.37,-126.85)  105.78                80
 12/15/2021   18:18:41   (  -0.15,-127.75) (   0.66,-131.41)  416.82                80
 12/16/2021   17:55:22   (  -0.16,-127.72) (  -0.44,-126.42)  148.33                80
 12/18/2021   06:17:01   (   0.14,-127.64) (  -0.62,-131.00)  383.46                80
 12/19/2021   05:53:41   (   0.15,-127.60) (   0.48,-126.00)  181.23                80
 12/20/2021   18:15:14   (  -0.13,-127.55) (   0.53,-130.56)  342.47                80
 12/21/2021   17:51:54   (  -0.14,-127.51) (  -0.58,-125.57)  222.04                80