Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2020 9 4.  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)
 09/05/2020   18:07:00   (   0.01,-127.91) (   0.26,-128.88)  110.71                80
 09/06/2020   17:43:41   (   0.00,-127.95) (  -0.89,-123.89)  462.08                80
 09/08/2020   06:05:21   (  -0.01,-128.03) (  -0.10,-128.49)   52.13                80
 09/10/2020   18:03:31   (   0.02,-128.06) (   0.03,-128.05)    1.25                80
 09/13/2020   05:59:11   (  -0.03,-128.16) (   0.07,-127.65)   57.30                80
 09/14/2020   18:20:41   (   0.04,-128.14) (   0.95,-132.21)  463.41                80
 09/15/2020   17:57:22   (   0.03,-128.16) (  -0.20,-127.22)  107.86                80
 09/17/2020   06:19:01   (  -0.04,-128.24) (  -0.84,-131.81)  407.56                80
 09/18/2020   05:55:41   (  -0.03,-128.25) (   0.31,-126.83)  163.21                80