Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 10 31.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 10/31/2021   17:57:47   (  -0.32,-128.42) (  -0.77,-126.49)  220.28                80
 11/02/2021   06:16:47   (   0.32,-128.42) (  -0.26,-131.09)  303.48                80
 11/03/2021   05:53:27   (   0.32,-128.43) (   0.85,-126.09)  266.26                80
 11/04/2021   18:12:20   (  -0.32,-128.45) (   0.15,-130.66)  251.57                80
 11/05/2021   17:54:20   (  -0.32,-128.45) (  -0.95,-125.66)  317.76                80
 11/07/2021   06:13:21   (   0.31,-128.44) (  -0.07,-130.26)  207.23                80
 11/08/2021   05:50:01   (   0.31,-128.43) (   1.04,-125.26)  361.56                80
 11/09/2021   18:11:32   (  -0.30,-128.44) (   0.02,-129.82)  157.68                80
 11/10/2021   17:50:53   (  -0.30,-128.43) (  -1.09,-124.82)  410.94                80
 11/12/2021   06:09:53   (   0.29,-128.41) (   0.08,-129.42)  114.48                80
 11/13/2021   05:46:34   (   0.29,-128.41) (   1.19,-124.42)  454.03                80