Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 12 7.  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,-127.95) (   0.24,-127.70)   27.82                80
 12/10/2021   18:22:08   (  -0.16,-127.92) (   0.80,-132.26)  494.35                80
 12/11/2021   17:58:49   (  -0.17,-127.89) (  -0.31,-127.26)   71.42                80
 12/13/2021   06:20:28   (   0.16,-127.82) (  -0.74,-131.85)  458.97                80
 12/14/2021   05:57:08   (   0.17,-127.79) (   0.36,-126.85)  106.54                80
 12/15/2021   18:18:41   (  -0.15,-127.76) (   0.67,-131.41)  416.10                80
 12/16/2021   17:55:21   (  -0.16,-127.72) (  -0.44,-126.41)  149.16                80
 12/18/2021   06:17:01   (   0.14,-127.65) (  -0.62,-131.00)  382.27                80
 12/19/2021   05:53:41   (   0.15,-127.61) (   0.48,-126.00)  182.54                80
 12/20/2021   18:15:13   (  -0.13,-127.57) (   0.52,-130.56)  341.18                80