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)
 12/10/2021   18:22:08   (  -0.16,-127.92) (   0.79,-132.26)  494.53                80
 12/11/2021   17:58:49   (  -0.17,-127.89) (  -0.32,-127.27)   71.09                80
 12/13/2021   06:20:28   (   0.15,-127.81) (  -0.74,-131.85)  459.90                80
 12/14/2021   05:57:09   (   0.16,-127.78) (   0.36,-126.85)  105.43                80
 12/15/2021   18:18:41   (  -0.15,-127.75) (   0.66,-131.41)  417.11                80
 12/16/2021   17:55:21   (  -0.16,-127.71) (  -0.44,-126.41)  147.99                80
 12/18/2021   06:17:01   (   0.14,-127.63) (  -0.62,-131.00)  384.05                80
 12/19/2021   05:53:41   (   0.15,-127.59) (   0.48,-126.00)  180.58                80
 12/20/2021   18:15:14   (  -0.13,-127.55) (   0.53,-130.56)  343.07                80
 12/21/2021   17:51:54   (  -0.14,-127.51) (  -0.57,-125.56)  221.39                80
 12/23/2021   06:13:33   (   0.12,-127.41) (  -0.50,-130.15)  311.60                80