Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 8 8.  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)
 08/08/2021   17:45:12   (  -0.08,-128.03) (  -0.98,-123.97)  462.06                80
 08/10/2021   06:06:51   (   0.05,-128.12) (  -0.02,-128.57)   50.64                80
 08/12/2021   18:02:22   (  -0.05,-128.09) (  -0.05,-128.13)    4.25                80
 08/15/2021   06:00:41   (   0.04,-128.20) (   0.13,-127.73)   53.31                80
 08/16/2021   18:22:11   (  -0.01,-128.14) (   0.94,-132.28)  472.50                80
 08/17/2021   17:58:52   (  -0.03,-128.15) (  -0.21,-127.29)   97.25                80
 08/19/2021   06:20:31   (  -0.00,-128.23) (  -0.80,-131.89)  415.93                80
 08/20/2021   05:57:11   (   0.02,-128.24) (   0.34,-126.90)  152.97                80
 08/21/2021   18:18:41   (   0.01,-128.16) (   0.77,-131.44)  373.96                80