Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 12 5.  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)
 12/06/2021   18:02:16   (  -0.20,-128.05) (  -0.21,-128.12)    8.11                80
 12/09/2021   06:00:36   (   0.18,-127.95) (   0.26,-127.71)   28.14                80
 12/10/2021   18:22:08   (  -0.16,-127.92) (   0.78,-132.26)  494.13                80
 12/11/2021   17:58:49   (  -0.17,-127.89) (  -0.32,-127.27)   71.69                80
 12/13/2021   06:20:28   (   0.16,-127.82) (  -0.73,-131.85)  458.58                80
 12/14/2021   05:57:09   (   0.17,-127.79) (   0.38,-126.85)  106.96                80
 12/15/2021   18:18:41   (  -0.15,-127.76) (   0.65,-131.41)  415.63                80
 12/16/2021   17:55:22   (  -0.16,-127.73) (  -0.46,-126.42)  149.67                80
 12/18/2021   06:17:01   (   0.14,-127.65) (  -0.60,-131.00)  381.62                80