Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 8 30.  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)
 08/31/2021   06:17:29   (   0.23,-128.28) (  -0.58,-131.90)  412.85                80
 09/01/2021   05:59:30   (   0.21,-128.27) (   0.53,-126.91)  156.25                80
 09/02/2021   18:15:41   (  -0.24,-128.22) (   0.50,-131.46)  369.62                80
 09/03/2021   17:57:41   (  -0.22,-128.22) (  -0.60,-126.46)  199.39                80
 09/05/2021   06:14:03   (   0.25,-128.24) (  -0.38,-131.07)  322.13                80
 09/06/2021   05:56:03   (   0.23,-128.23) (   0.72,-126.07)  246.32                80
 09/07/2021   18:12:15   (  -0.27,-128.17) (   0.30,-130.63)  280.52                80
 09/08/2021   17:54:15   (  -0.25,-128.16) (  -0.80,-125.63)  287.99                80
 09/10/2021   06:10:36   (   0.28,-128.18) (  -0.18,-130.23)  233.89                80
 09/11/2021   05:52:37   (   0.26,-128.17) (   0.92,-125.24)  333.96                80
 09/12/2021   18:08:48   (  -0.29,-128.09) (   0.10,-129.80)  194.20                80