Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 11 1.  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)
 11/02/2021   06:16:47   (   0.32,-128.43) (  -0.27,-131.09)  303.13                80
 11/03/2021   05:53:27   (   0.32,-128.43) (   0.83,-126.09)  266.73                80
 11/04/2021   18:14:59   (  -0.32,-128.45) (   0.17,-130.66)  251.06                80
 11/05/2021   17:54:20   (  -0.32,-128.45) (  -0.93,-125.66)  318.37                80
 11/07/2021   06:13:20   (   0.31,-128.44) (  -0.09,-130.26)  206.24                80
 11/08/2021   05:50:01   (   0.31,-128.44) (   1.02,-125.26)  362.64                80
 11/09/2021   18:11:33   (  -0.30,-128.45) (  -0.02,-129.83)  156.57                80
 11/10/2021   17:50:54   (  -0.30,-128.44) (  -1.13,-124.83)  412.20                80
 11/12/2021   06:09:53   (   0.29,-128.43) (   0.06,-129.42)  112.88                80
 11/13/2021   05:46:34   (   0.29,-128.42) (   1.17,-124.42)  455.75                80
 11/14/2021   18:08:06   (  -0.28,-128.43) (  -0.17,-128.99)   63.58                80