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,-128.42) (  -0.25,-131.09)  303.28                80
 11/03/2021   05:53:28   (   0.32,-128.43) (   0.86,-126.10)  266.55                80
 11/04/2021   18:14:59   (  -0.32,-128.45) (   0.20,-130.65)  251.28                80
 11/05/2021   17:54:20   (  -0.32,-128.45) (  -0.96,-125.66)  318.14                80
 11/07/2021   06:13:20   (   0.31,-128.44) (  -0.12,-130.25)  206.66                80
 11/08/2021   05:50:00   (   0.31,-128.44) (   0.99,-125.25)  362.20                80
 11/09/2021   18:11:33   (  -0.30,-128.44) (   0.01,-129.82)  157.01                80
 11/10/2021   17:50:53   (  -0.30,-128.44) (  -1.09,-124.82)  411.67                80
 11/12/2021   06:09:53   (   0.29,-128.42) (   0.09,-129.42)  113.58                80
 11/13/2021   05:46:34   (   0.29,-128.42) (   1.20,-124.43)  455.02                80
 11/14/2021   18:08:05   (  -0.28,-128.42) (  -0.14,-128.98)   64.38                80